Carol L. Adkins
Carol L. Adkins is the director of both the Energy Technologies and System Solutions Center and the Renewable Systems and Energy Infrastructure program area at Sandia National Laboratories in Albuquerque, New Mexico. Previous management assignments include director of Materials Science and Engineering, deputy director of the Nuclear Weapons Science and Technology Strategic Area, principal program director for the Defense Security Program, and deputy director of the Advanced Manufacturing Science and Technology Center. Carol is a chemical engineer and has performed research in the areas of chemical vapor deposition of ceramics and tungsten, aerosol processing, cleaning with supercritical CO2 and semiconductor wafer contamination and cleaning. She has served on the National Research Council’s Board on Manufacturing and Engineering Design, and as a member of the Panel on Manufacturing Engineering, performing the assessment of NIST’s Manufacturing Engineering Laboratory. Carol has a bachelor of science degree in chemical engineering from the University of New Mexico and a PhD in chemical engineering from the California Institute of Technology.
Mr. Ryan Barnhart is the engineering lead for Materials and Processes at Wetzel Engineering. He has worked with composites engineering and fabrication since 2008, originally working on aerospace applications that included advanced bonding of metal to composites for aviation applications. Ryan has been engineering wind turbine rotor blades for more than four years for Wetzel Engineering and has been in charge of the structural design of more than seven rotor blades ranging in length from 12 to 14m, 58 to 64m, and 83m. Ryan managed several blade design projects from conceptual design through manufacturing support, focusing on design for manufacturing (DFM). Ryan has been involved in on-site quality control at clients of Wetzel Engineering, and managed the setup and initial operations of the company’s 9000 ft2 R&D and fabrication facility in Round Rock, Texas. He is also in charge of the company’s materials R&D and material specifications across all projects. Ryan has been heavily engaged in advanced technology development for wind turbine blades including jointed blades, torsion-bending coupling, and active load alleviation. Mr. Barnhart received his undergraduate and graduate (M.S.) degrees in aerospace engineering from the University of Kansas.
As a senior consultant with MAKE, Aaron Barr is responsible for monitoring global wind turbine technology and services trends. Aaron lends his technical expertise to provide technology forecasts, economic trade-off analysis, technical benchmarking, market assessments and due diligence projects. Prior to joining MAKE, Aaron spent more than eight years within GE Wind Energy in a variety of engineering roles, including competitive intelligence, conceptual turbine analysis, power electronics design, advanced micrositing and reliability engineering. Aaron holds an undergraduate degree in engineering from Virginia Tech and a master’s in business administration from University of North Carolina-Chapel Hill.
Kim Bertelsen is the co-founder and co-owner of GLPS A/S, a Danish engineering and solutions provider in lightning protection of wind turbines and in complex buildings and plants. His experience with lightning protection goes back more than 25 years, 18 of which have been in the wind industry. GLPS employs more than 40 dedicated and specialized engineers and is running a full-scale lightning laboratory to simulate the physical effects of natural lightning. GLPS is manufacturing its own standard lightning protection system to be implemented in and certified with any blade design. GLPS is presently operating in Denmark, the United States, and China.
Chris Bley, a native Californian, graduated from the University of California–Santa Cruz with a degree in biology. He has been active in the growing wind energy industry for the past 17 years. He founded Rope Partner in 2001 based on his interest in rock climbing and his connections in Germany with a rope access company focused on wind turbine inspection, maintenance, and repair. In 2013, Chris transitioned away from wind energy services and founded InspectTools, a renewable energy inspection technologies company. This startup uses various types of aerial platforms and imaging technologies to capture and deliver wind, solar, and electric infrastructure risk and asset condition data and to host these findings within a geographic information systems (GIS) platform.
Kim Branner, Ph.D., has been a senior research scientist at DTU Wind Energy (former Risø National Laboratory for Sustainable Energy) since 2003. He is heading the Structural Design & Testing team, which primarily is doing research in the areas of experimental, numerical and analytical design in order to develop more reliable and precise methods for structural design and testing of wind turbine blades and other large composite and metal structures. Kim is also scientific head for the establishment of DTU Large Scale Facility, which is a unique research test facility for studying strength and fatigue of large structures exposed to complex loading. The facility will open in April 2017 and will be able to test wind turbine blades up to 45 m with advanced loading and measuring equipment.
John Collins serves as Executive Vice President–Specialized Freight Services for Landstar Transportation Logistics, Jacksonville, Florida. John oversees Landstar’s Heavy Specialized Hauling, International, Intermodal, LTL, Expedited, Government Services, and Pricing Services. Landstar is recognized as the largest heavy haul carrier in terms of capacity in North America and provides specialized services and equipment to the agricultural, construction, and manufacturing industries, and to the U.S. Department of Defense, FEMA, and DOE. Landstar participates in all segments of the wind energy market, moving wind blades, towers, hubs, nacelles, and wind components. Landstar collaborates with customers to provide project support and dedicated capacity solutions. Landstar System, Inc., is a worldwide asset-light provider of integrated transportation management solutions delivering safe, specialized transportation services to a broad range of customers by using a network of agents, third-party capacity owners, and employees.
Josh Crayton moved into the business development role upon returning to Rope Partner after a year as the blade services manager at Upwind Solutions. Josh started his career in wind in 2005 as a rope access technician with Rope Partner, where he contributed to many serial flaw remediation projects as well as blade repair and maintenance. He has since been involved in the management team in roles such as marketing, project management, and developing the blade services program as the blade services manager. In his eleventh year in wind, Josh is optimistic about the industry’s future and continues to be a contributing member of the blade reliability collaborative.
Cliff Eberle leads Materials and Processing in the Institute for Advanced Composites Manufacturing Innovation. In that role, he directs teams that are demonstrating advanced manufacturing technologies in carbon fibers, composites recycling, NDE, additive manufacturing, lab-scale composites prototyping, and materials characterization. He was the chief engineer for Oak Ridge National Laboratory’s unique semi-production scale Carbon Fiber Technology Facility. He has led innovative research programs on bio-derived carbon fiber, ultra-high performance carbon fiber, and electron beam curing. His experience includes strategic planning and execution, partnership development, program development, and technology transition. Mr. Eberle has 30 years of professional experience including 20 years in composites.
Dayton is a Senior Principal Engineer with DNV GL with 22 years of wind energy engineering experience. He is an internationally-recognized expert in the area of wind turbine blades, with experience in all aspects of rotor blade aerodynamics, structure, materials, and manufacturing technologies. His work experience with DNV GL includes both certification and advisory services and several years living and working in Asia.
Ron Grife joined Leeward in April of 2016 as the director of engineering, and his duties include reestablishing the technical support functions at Leeward and driving improvements in equipment performance and reliability of the company’s operating fleet. Prior to joining Leeward, Ron served as the manager of Turbine Performance and Reliability at EDPR and was a project lead in Vestas’ R&D office in Houston. Ron also serves as the vice chair on the AWEA wind standards committee. Before joining the wind industry, Ron spent almost seven years developing and testing helicopter technology in the aerodynamics and performance group at Bell Helicopter. Ron received his master’s degree in mechanical engineering from the University of Arizona in Tucson.
D. Todd Griffith
D. Todd Griffith, Ph.D., principal member of the technical staff in the Wind Energy Technology Department at Sandia National Laboratories, is also the technical lead for Sandia’s Offshore Wind Energy Program. His research contributions are in the areas of large rotor technology development (e.g., Sandia 100 m blades, 50 MW Segmented Ultralight Morphing Rotors, and large-scale offshore vertical axis wind turbines), aero-elasticity of renewable energy systems, structural health monitoring & prognostics management methods for renewable energy systems, and marine hydro-kinetics technology (MHK). Todd currently chairs the ASME Wind Energy Technical Committee and the Publications Subcommitte of the AIAA Structural Dynamics Technical Committee. Todd is an associate fellow of AIAA, recipient of an AIAA Distinguished Service award for leadership in wind energy conference development, presenter of over 20 invited seminars (many international), guest scholar of the Erasmus Mundus European Wind Energy Masters (EWEM) program at the Delft University of Technology in 2014, advisor to more than 20 Sandia student interns, and organizer & technical program chair of many wind energy technology workshops and conferences. Prior to joining Sandia, he completed his doctoral studies in aerospace engineering at Texas A&M University.
Jeffrey Hammitt is the principal technical specialist in NextEra Energy Resource’s Engineering and Technical Services Renewables organization. He leads the Blades & Structures team, which is responsible for technical support related to blade, tower, and foundation issues. He is responsible for the blade performance and reliability of NextEra’s entire wind fleet, including working with suppliers and internal resources to develop technical solutions and leading root cause assessments. Jeffrey has more than30 years’ experience in engineering, design, and construction in the power industry. He is a graduate of Truman State University.
Dave Hartman is chairman of the Senior Technical Staff globally for Owens Corning and leads Core Technology Discovery for the Composites Solutions Business. He received his master of science in materials science and engineering from the Georgia Institute of Technology. Dave has served multiple industries with composite material, process, and design expertise in the development and specification of glass and carbon fiber products for manufacturers and end users of composite materials in the wind energy, construction, transportation, electronic, aerospace, and defense markets. He has more than 50 publications in the composite material technical literature and more than 20 patents. Dave has served several industry and university advisory boards including ACMA, SAMPE, NCC, CERF, UOM-R, UD CCM, MIT and GIT MSE.
The Honorable Martin Heinrich
As a member of the U.S. Senate Committee on Energy & Natural Resources, U.S. Senator Martin Heinrich is a leader on building a more secure and robust 21st century energy infrastructure. With a background in engineering, Heinrich brings a unique perspective on how to create the jobs of the future and protect the vital missions at New Mexico’s national labs and military installations. Heinrich has championed policies to extend investment tax credits for wind and solar, improve energy efficiency, and reduce carbon pollution. He has also worked to boost technology transfer and foster collaboration between New Mexico’s national laboratories, local businesses, and research institutions.
Find M. Jensen
During 10 years of research at Risoe DTU in the field of wind turbine blades, Find M. Jensen has addressed a number of failures that have the potential to dominate future wind turbine blade issues. Today, Find M. Jensen is CTO of Bladena, a spin-off company from Risoe DTU founded in 2011. The company has the latest technology within structural blade design. Based on patented technology, Bladena has developed a number of retrofit solutions (D-string, D-stiffener, and X-stiffener) which increase the lifetime of the blades. Find M. Jensen is heading several large R&D projects with many members from both industry and research institutes.
Gary has worked with composites since 1974, providing custom fiberglass parts for aerospace and other applications for a variety of customers. He built custom mega-yachts for over 20 years before joining Knight & Carver in 2002 to lead its wind blade operations, growing it into the largest blade service company in the United States. He has also led sales and marketing efforts at MFG (2011) and Wetzel Engineering (2014). Gary led an R&D project, working with both the National Renewable Energy Laboratory and Sandia National Laboratories, to design a swept blade. He also designed and built a blade factory in South Dakota. He has developed blade servicing programs and maintenance plans for owners and operators for the past 13 years. Gary is currently commercial manager at WindCom. Gary has sailed the world twice and is an ultra-cyclist. He graduated from Wayne State University in 1973.
Chris Kelley has a background in experimental aerodynamics and flow control. Since joining the Sandia National Laboratories Wind Energy Technologies Department, Chris has designed wind turbine blades, developed design tools for scaling and similitude, and used vortex methods to investigate the effect of blade loading on turbine wakes. He is also involved in processing experimental data from meteorological towers and turbine sensors at the Scaled Wind Farm Technology facility (SWiFT).
Dirk-Jan Kootstra offers more than 25 years of experience and expertise in the advanced composite industry. After studying aeronautical engineering with a specialty in composite technology, Dirk Jan built up a successful career and a solid track record as an engineer and an entrepreneur in the composite industry. His experience covers a wide range of plastics (RIM, Injection moulding and Composites). Before starting Pontis Engineering with Sjef van Breugel in Spetember 2007, he was global manager for Advanced Manufacturing Technology at GE Wind Energy. Pontis Engineering specializes in the development of advanced composite products. Since its start, Pontis has grown into a leading international player with impact in the global wind sector. The company is headquartered in Amsterdam, the Netherlands, and has offices in the U.S. and China.
Ken Lee is senior researcher for Blade Structures in the Global Blade Innovation Center at Envision Energy. Ken joined Envision in early 2016. He is primarily responsible for structural design and advanced technology development of rotor blades. Prior to joining Envision, Ken served as technical lead of rotor blade design and systems configuration at Wetzel Engineering. During the past six years, Ken held several positions in blade design, manufacturing, and technical business development. He has presented his work at multiple conferences around the world on blade technology, rotor systems design and optimization, and engineering forensics. Mr. Lee received bachelor of science and master of science degrees in aerospace engineering from the University of Kansas.
Fabrizio Leone is the Manager of Blades Engineering in Vestas’ Global Service department. His team provides technical and operational support of in service wind turbine blades around the world. Fabrizio has over 20 years of experience in inspection and investigative techniques, condition monitoring, and failure and root cause analyses, with 10 years focused on blades. Prior to joining the wind industry, he held similar roles in the automotive and commercial construction sectors. Fabrizio has a Bachelor of Engineering Science degree in Mechanical Engineering.
John Lindberg, PE
John Lindberg is the program manager of NDE Innovation in the nuclear sector of the Electric Power Research Institute. His group is responsible for the research and development of new and innovative nondestructive examination (NDE) and sensing technologies that may have beneficial application in the electric power industry. John received his bachelor of science degree in environmental science and resource management from Lehigh University and is a licensed professional engineer in chemical engineering, registered in the State of Pennsylvania. John has 38 years’ experience in the electric power industry, primarily in the areas of managing NDE, in-service inspection, refueling, maintenance, and engineering activities. He chairs two ASME Section XI code committees and is active in the wind industry.
Matthew Malkin has 20 years of engineering experience and 8 years of wind energy experience with a focus on blade technology. As a part of the Turbine Technology group at DNV-GL, Matthew has participated in and led multiple blade failure investigations, blade manufacturing quality reviews, lightning studies, and technology reviews. Prior to his career in wind energy, Matthew spent 12 years at Boeing. Mr. Malkin has bachelor of science and master of science degrees in mechanical engineering.
David Maniaci is the Rotor Blade and Wind Plant Aerodynamics Lead in the Wind Energy Technologies Department at Sandia National Laboratories in Albuquerque, NM. He is currently studying the effects of leading-edge erosion and soiling on airfoil and rotor performance, functional scaling and design of rotor blades, field-deployable aerodynamic measurement systems, vortex modeling of wake dynamics, and multi-fidelity integrated design processes. He received a PhD in Aerospace Engineering from the Pennsylvania State University where he was an instructor of aircraft design for several years and performed research in applied aerodynamics, wind tunnel testing, and wind turbine aerodynamics.
Jesper Månsson has been working in the wind industry for 25 years. He is currently director of technical business development at LM Wind Power A/S. He studied mechanical engineering at Odense Teknikum, Denmark. During his 25 years at LM Wind Power, he has held various positions in blade design and blade manufacturing technology. More recently, he has been responsible for technical customer interactions, including scoping and pre-design of new blades prior to market introduction, and R&D on aerodynamics and aeroacoustics.
Dana Martin is a graduate research assistant at Colorado School of Mines in the Computer Sciences and Electrical Engineering Division. His current area of research is focused on the design of control systems for segmented ultra-light morphing rotor (SUMR) technologies to be used with multi-Megawatt wind turbines. The SUMR project is funded through Advanced Research Projects Agency–Energy (ARPA-E), and aims to produce a concept design for a 50 MW wind turbine to be used for offshore wind energy capture, along with scaled technologies to be tested at the National Renewable Energy Laboratory’s National Wind Technology Center. Dana received his bachelor of science in mechanical engineering in 2010 from Colorado School of Mines.
Jacques Nader is the head of Siemens’ Global Blade Design R&D Competence Center located in Boulder, Colorado. Jacques joined Siemens’ blade design team in 2012 as a structural design team lead. In 2014, Jacques took responsibility for heading the Boulder R&D Competence Center with the mission to lead its growth as a world-class R&D and innovation center for wind energy and blade design. He received masters of science degrees in both mechanical engineering and civil engineering with a focus in structural design, testing, and reliability of composite structures; Jacques also earned an MBA from the University of Maine. He has presented his work at numerous conferences and has been published in world-class peer reviewed journals. Jacques has also served as technical reviewer on several committees including IEC, DOE, NREL, and NWTC.
Josh Paquette is a principal member of the technical staff in the Wind Energy Technologies Department at Sandia National Laboratories and the chair of the 2016 Sandia Wind Turbine Blade Workshop. He currently leads wind turbine design and reliability research efforts within the group, including the DOE-sponsored Blade Reliability Collaborative and the National Rotor Testbed project. Josh is also responsible for the safety systems on Sandia’s V27 test turbines at the Scaled Wind Farm Technology site. Josh has a master’s degree in engineering mechanics from the University of Texas at Austin.
Ben Rice is the operations engineering manager for Pattern Energy Group. He joined the company in 2014. With a primary focus in turbine reliability & performance as an owner/operator, he has implemented the analytic tools and processes essential for monitoring component health & reliability issues within Pattern’s fleet. For blades in particular, Pattern makes use of condition monitoring systems and lightning detection data to identify turbines that are of high risk for degradation and damage. With 1500 turbines in the fleet, the company is focused on minimizing costs and downtime associated with blade repairs, as well as in developing a comprehensive blade monitoring program to assess the long term health of its blade population. Before joining Pattern, Ben acted in various performance analytic roles as an owner/operator. Ben received his master of science in civil & environmental engineering from Carnegie Mellon University and his bachelor of science in physics from Rhodes College.
Dennis P. Roach
Dennis Roach is a senior scientist in the Transportation Safeguards and Surety organization at Sandia National Laboratories. His specializes in experimental and analytical assessment and nondestructive inspection of composite and metallic structures. For the wind industry, Dennis has focused on developing and transferring advanced inspection methods for wind turbine blades. Dennis has seven patents and more than 200 technical publications, including co-authored books on the application of advanced composite materials and the use of structural health monitoring technology.
Gerard Schepers works as senior researcher and project manager at the Energy Research Center of the Netherlands. Since 2012, he also has worked part time as a professor of wind energy at the University of Applied Sciences NHL Leeuwarden. Gerard has been involved in various industry-related projects and is a project manager of many national and international research projects, including the AVATAR project, which aims to improve aerodynamic wind turbine models for 10MW+ turbines. He earned a master’s degree in aerospace technology from Delft University of Technology in 1986 and received a PhD from Delft University of Technology in 2012.
Andrew Scholbrock has been working at the National Renewable Energy Laboratory since December 2011. Focusing his research on field testing advanced turbine controllers, Andrew has worked mainly with the Controls Advanced Research Turbines (CARTs) located at the National Wind Technology Center (NWTC). Additionally, Andrew has worked with many LIDAR manufacturers to integrate LIDAR into the control systems of the CARTs for feed-forward wind turbine control research and wake steering studies. Andrew received his Master of Science degree from the University of Colorado–Boulder, in 2011 after having completed his Bachelor of Science degree from the University of Wisconsin–Madison, in 2008.
John Schroeder, PhD, is a Professor of Atmospheric Science in the Department of Geosciences at Texas Tech University and served as the founding Director of the National Wind Institute from 2010 to 2014. He is also a co-founder of SmartWind Technologies, LLC, a technology development and service company that provides hardware, software, and service solutions to measure and analyze complex wind flow in the lower atmosphere. John has developed an internationally recognized research program focused on the measurement and characterization of low-level wind fields, created a unique suite of atmospheric observing technologies, and pioneered the use of radar to measure wind farm complex flows. John has successfully published numerous peer-reviewed papers and spoken internationally on related topics.
Alex Tran is presently the lead engineer of Analysis & Testing for Wetzel Engineering. In his more than five years there, he has combined complex finite element analyses with destructive and non-destructive testing protocols to produce validated analytical and experimental results. This skill set has also served Alex well in performing numerous root-cause analyses when significant reverse engineering may be necessary if design materials are unavailable. Efforts over the years have included producing higher fidelity models to study effects such as resin bridging in scored sandwich core materials and varied trailing edge bonding geometries. As lead of engineering testing, Alex has hands-on experience with microwave interferometric and ultrasonic phased-array non-destructive inspections for utility-scale composite blades.
Sheryl Weinstein joined Rope Partner in 2010 as a field technician. By 2013 she was helping to coordinate the Blade Services program while simultaneously working in the field. In late 2014, Sheryl accepted the full-time Blade Services manager position. Over the years Sheryl has built a vast knowledge base of defects, damages, and repair strategies for various blade types while working closely with customers to provide consulting and blade maintenance recommendations. Sheryl maintains a rigorous quality control program, is committed to real-time field consultations with technicians, and continues to perform blade repairs in the field.
Frederik Zahle completed his masters in aeronautical engineering at Imperial College, London in 2003, and earned a Ph.D. jointly from Imperial College and Risø DTU in the field of computational fluid dynamics (CFD) of wind turbines, which he completed in 2007. He is currently holding a position as a senior scientist in the Aerodynamic Design Section (AER) at the Department of Wind Energy, Risø Campus, DTU. His current research activities are within aerodynamics of airfoils and rotors, computational fluid dynamics, and development of multi-disciplinary design tools for wind turbines and airfoils.
Daniel Zalkind is a Ph.D. candidate at the University of Colorado-Boulder. His research on wind turbine controls has focused on fatigue load reduction, wake redirection, and control systems for large rotor designs. Daniel works on a program funded by ARPA-E to design a 50MW ultralight, morphing rotor with his advisor Dr. Lucy Pao. He also leads the CU Energy Club, an organization dedicated to educating students about energy and connecting them with like-minded students, academics, and industry professionals. Before moving to Boulder, Colorado, Daniel received his bachelor’s and master’s degrees in electrical engineering from Drexel University in Philadelphia, Pennsylvania.
José Zayas is the Director of the U.S. Department of Energy’s Wind & Water Power Technologies Office (WWPTO). Mr. Zayas manages efforts to improve performance, lower costs, and accelerate deployment of wind and water power technologies that can play a significant role in America’s clean energy future. WWPTO works with DOE’s national laboratories, academia, and industry to fund research, development, and deployment of wind and water power systems through competitively selected, cost-shared projects with businesses, federal, state, and other stakeholder groups.
Prior to his arrival at DOE, Mr. Zayas was the senior manager of the Renewable Energy Technologies organization at Sandia National Laboratories where his responsibilities included establishing strategy and priorities, defining technical and programmatic roles, business development, and performing management assurance for the renewable energy-related activities of the laboratory. Mr. Zayas joined Sandia in 1996; he spent ten years supporting the national mission of Sandia’s wind energy portfolio as a senior member of the technical staff before transitioning to program manager in 2006. Mr. Zayas engaged and supported a variety of national initiatives to promote the expansion of clean energy technologies for the nation.
Mr. Zayas holds a bachelor of science degree in mechanical engineering from the University of New Mexico and a master of science degree in mechanical and aeronautical engineering from the University of California–Davis.