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Our Team

Learn more about our key personnel

Steve Tolen

Founder, President/CEO

Steve Tolen began his professional career at Electronic Data Systems (EDS) where he served as assistant cash manager. He next served as VP and portfolio manager at Southwest Corporate, a bankers’ bank in Dallas where he managed a $1 billion investment portfolio and was responsible for credit and interest rate risk management for the company. Mr. Tolen then formed the consulting financial firm TIS, authored the books Credit Union Asset/Liability Management Theory and Techniques and Credit Union Investment Strategies and served as a trainer for the National Credit Union Administration (NCUA) auditors. He also designed and programmed Credit Analysis and Asset/Liability Management software.

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In 1996, Mr. Tolen took the position of president/CEO of $1 billion (assets) Indiana Corporate Federal Credit Union (IndiCorp) when it was under regulatory supervision and within 3 years the firm was upgraded to an A rating by BankWatch. In 1999, he became president of $3 billion (assets) Mid-States Corporate Federal Credit Union, a position he assumed after engineering the merger between IndiCorp and Mid-States Federal Credit Union whereby IndiCorp maintained post-merger board control. In 2004 Tolen founded Symphony Bank and was responsible for recruiting the Bank’s original management team, overseeing the design and construction of the facility, and managing the selection of the technology platform. As President, he managed growth to over $25 million in quality assets in the first year before leaving to found an electric vehicle company. Difficulty in finding an affordable battery pack for the electric vehicle industry became the genesis of Indy Power Systems’ blended energy concept. The blended energy solution became Indy Power Systems’ first patent. Mr. Tolen holds a BS degree in finance from the University of Illinois. Mr. Tolen also serves as Chairman of the Society of Automotive Engineering (SAE) Secondary Battery Use Committee.

Don Marabell

Chief Technology Officer

Previous to joining Indy Power Systems, Don was Chief Technologist for Unipower where he provided technical support for power electronics products acquired through acquisitions and developed technology roadmaps. Prior to this, he was Senior Engineer for GE Energy-Critical Power where he was the technical lead for a modular, digitally controlled inverter system. Don’s experience includes founding employee for a successful startup, Valere Power, designing high efficiency telecom rectifiers and a lead member of a design team for a modular Grid Connected solar inverter.

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Don earned his Bachelor of Science, Electrical Engineering from Pennsylvania State University and has completed graduate coursework at Wilkes University and Alfred University in Stochastics, Advanced Electromagnetics, Digital Control Systems, Mathematical Analysis Control Systems, and Power Electronics Control Loop Design. Don has a passion for power electronics and continues to advance via seminars, on-line coursework, books and papers on the subject. He is an inventor of three Power Electronics patents: 6,879,199 for a PWM control signal generation method and apparatus, 6,690,589 for an interleaved converter power factor correction method and apparatus, and 6,483,724 for a DC/DC ZVS full bridge converter power supply method and apparatus. Don is a senior member of the IEEE and was Chairman IEEE Power Electronics Society- Dallas from 2006 – 2015.

Harsh Vardhan

Software Engineer

Harsh Vardhan was previously a research associate at the University of Texas at Dallas where he tested and validated DC-DC converters, designed Printed Circuit Boards, and designed and developed Processor-in-Loop testing systems. His previous position was Digital Design and Verification Engineer for Scalable Systems Research Labs where he worked on memory controllers for Hybrid Memory Cube, FPGA development and designed Advanced Encryption Standard (AES) encryption cores. His skill sets include multiple programming languages including C, C++, Java, JavaScript and others. He earned his Masters of Science in Electrical Engineering from the University of Texas at Dallas.

Corey Schoene

Engineering Associate

Corey Schoene began his career at Indy Power Systems and assists with the design and build of all hardware, including circuit boards, component sourcing, and the physical assembly of systems. Mr. Schoene possesses extensive electrical and mechanical design skills. Software expertise includes Autodesk Inventor and Cadence OrCAD. His expertise also includes including soldering, welding, system assembly, testing, and battery pack characterization and assembly. Mr. Schoene is currently pursuing a Bachelors of Science in Electrical Engineering Technology at Indiana University, Purdue University, Indianapolis.

Todd Colpron

VP Business Development

Todd Colpron has 7 years of experience in business development for alternative energy systems. He previously served as Vice President of Business Development for Skyron Systems. Mr. Colpron currently serves on the Advisory Board for the Richard G. Lugar Center for Renewable Energy at Indiana University and Purdue University at Indianapolis (IUPUI). He also serves on the Energy Advisory Committee at the Houston Technology Center in Houston, TX. In 2014, Mr. Colpron was selected and completed the NREL (National Renewable Energy Laboratory) Executive Energy Leadership Institute and the FBI Citizens Academy.

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Mr. Colpron’s career has spanned management, marketing, and entrepreneurial positions in consulting, finance and politics. Prior positions include Director of Business Development for Otten Consulting Group (OCG). His professional marketing experience also includes US Bank and Piper Jaffery. Mr. Colpron also served as an aide to US Congressman Don Bonker from 1986 to 1989. He earned a B.A. degree in communications from Washington State University.

Bill Wylam

Honorary Director

Bill Wylam, who passed away in 2014, was a founding director of Indy Power Systems. He is acknowledged as one of the auto industry’s pioneers in advanced battery technologies. Mr. Wylam, also known as “Battery Bill”, was instrumental in introducing Indy Power Systems to many experts in the Power Electronics and battery industry. In August 2006, Mr. Wylam received an honorary doctorate degree in Engineering from Purdue University, citing his leadership in promoting alternative energy technologies and international business development in energy-related fields. In 2005, Mr. Wylam retired from Remy International, Inc., where he served as Corporate Director of Technology, capping a five-decade career which began in the Delco Remy division of General Motors. During his career with General Motors he was responsible for the development of the propulsion system for the GM EV1 Battery Electric Vehicle.

Cecil Barnett


Cecil (Barney) Barnett is the founder and current Chairman of Algood Food Company in Louisville. Previously, he served as President of Tube Turns, Inc. His business experience also includes time as a Systems Engineer for IBM and at Cameron Iron Works. At Cameron Iron Works, Mr. Barnett held several management positions in corporate services and the Company’s Forging Division. Mr. Barnett holds a B. S. degree in Electrical Engineering from the University of Oklahoma and an MBA from Harvard University.

Bob Galyen


Bob Galyen is an accomplished Battery Electric Vehicle systems designer. From 1977 through 1988, he served in various capacities for the Delco Remy division of General Motors. He was the lead designer of the battery pack for General Motors’ IMPACT, the prototype for GM’s electric vehicle, the EV1. Mr. Galyen then successfully launched the Valve Regulated Lead Acid Battery production program and the installation of control software for the EV1 Battery Control Module. For his efforts, Mr. Galyen received the GM President’s Council “Best of the Best” Award in 1995. He also was the recipient of an “Extraordinary Accomplishment Award” for the development of the new Electric Vehicle (EV) battery pack.

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Mr. Galyen has served as Vice-Chair of the Society of Automotive Engineers (SAE) EV Battery Systems Committee and now serves as Chairman of the SAE International Battery Standards Committee. He is the primary author of SAE J-1715, Recommended Practice for EV Terminology and co-author of SAE J-1798, Recommended Practice for EV Battery Pack Design. While serving as Engineering Manager at Delco Remy, he was responsible for Electric Vehicle Component Development. Mr. Galyen previously served as President of Global Battery Cell and Pack for Magna E-Car. He is now CTO of Contemporary Amperex Technologies, and President of Global Business Development Amperex Technologies.

Ramon Agustines

Advisory Board

Ramon Agustines is the former president of Ramcar, Inc., one of the largest Lead-Acid battery manufacturers in Southeast Asia. He is a Trustee of the Electric Vehicle Association of the Philippines. Mr. Agustines has held several director and board positions and holds a BS in Industrial Engineering from Lehigh University and a MS in Business Management from the Asian Institute of Management.

Peter Allen

Advisory Board

Peter Allen is a seasoned start-up executive having been involved in the executive management of seven early stage start-ups, five as founder. He has raised a total of $125M across 9 private equity rounds returning over $400M. Mr. Allen has extensive leadership experience in all aspects of new company formation and growth across a number of different technology sectors. For the past 4 years he has served as Senior Advisor to Mobility Ventures and as an Evaluator for the Texas Emerging Technology Fund. Mr. Allen is a Certified Management Accountant (CMA) and is currently V.P. Wireless Operations and Business Development for Taqua.

Richard Kay

Advisory Board

Richard (Rick) Kay is recently retired from Delphi where he served in various positions since 1985, most recently as Manager of Mergers, Post Merger Integrations, Acquisitions & Divestitures. Previously he served as the Delphi Representative Director, EnerDel Board of Directors and oversaw Delphi’s sale of interest to Ener1. Previous to that Mr. Kay was a manager of Delphi’s battery business unit. He holds a BA in Economics from Colgate University and an MBA from Youngstown State University.

Jeff Myers

Advisory Board

Jeff Myers is Manager of Smart Grid Development at Louisville Gas & Electric and Kentucky Utilities. Mr. Myers was previously Vice President of Engineering & Operations for Central Indiana Power. Earlier in his career, he served as Manager of Commercial and Industrial Accounts for Wabash Valley Power Association. Mr. Myers holds both a BS and MS of Engineering Management degree from Rose Hulman Institute of Technology.