Our Leadership Team

Jae Wan Park, CEO 

Professor, Mechanical and Aerospace Engineering, UC Davis

Jae Wan has conducted ten years of research on renewable energy systems in coordination with PG&E, the California Solar Initiative (CSI), the CEC, and the US Navy. He is focused on improving the efficiency and safety of second-life batteries through advanced Battery Management System, fire suppression, and energy storage system design. Dr. Park has authored over 70 academic publications on batteries and fuel cells, including 2 book chapters.

Joseph Lacap, CTO

PhD candidate, Mechanical Engineering, UC Davis


Joseph has four years of experience in the Green Technology Lab on second-life energy storage design, fabrication, controls, and simulation. Specifically, he led a large team of students and subcontractors to assemble the lab’s 320 kWh prototype at the Robert Mondavi Institute in Davis, California. He also led development of the machine learning algorithms used to measure battery health. His dissertation is on degradation of energy storage capacity caused by non-uniform temperatures within lithium-ion battery packs.

Ryan Barr, COO

After graduating with highest honors and a BS in Systems Engineering from the University of Illinois at Urbana-Champaign, Ryan worked as a management consultant for electric utilities on behalf of KPMG. During his graduate studies in Energy Systems at UC Davis, he interned at the California ISO, where he supported the design and implementation of new energy storage policy. As the Chief Operating Officer of RePurpose Energy, Ryan has led the team to win the Grand Prize in the UC Berkeley Big Ideas Contest, the Energy & Cleanstart Prizes in the UC Davis Big Bang! New Venture Competition, and Finalist recognition in the Cleantech Open Accelerator program.

Ben Lyon, VP of Business Development 

Ben has over a decade of experience bringing new technologies to market at startups in the clean energy sector. Most recently, he served as Director of Marketing and Product for a building controls and automation startup that was acquired by Siemens AG in 2018. In addition, Ben has a rich background in financial modeling and design of solar PV and energy storage. 

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Tel. 530-219-8518