Tom Doyle, Reterro


Prior to Reterro, Tom was the President and CEO of NRG’s renewable energy business (NRG Renew) and an Executive Vice President at NRG Energy, the largest independent energy company in the United States. NRG Renew is one of the largest renewable energy companies in the world with a wind and solar (PV and CSP) portfolio that exceeds 5000 MWs. 

Prior to running NRG’s renewable energy business, Tom was President and CEO of NRG Solar, a company he established in October 2009 when he joined NRG. NRG Solar was a first mover in the utility solar industry and by 2013 became the largest solar company in the nation from an equity ownership perspective. Tom then expanded his team’s capabilities to become an industry leader in the high growth commercial and industrial sectors of the solar industry.  Under Tom's leadership, NRG Solar successfully placed over $7.5 billion of capital that generated a significant return on equity and an annual EBITDA contribution of over $550 million. These renewable assets ultimately became the foundation of the nation’s first publicly listed YieldCo (NYLD) which resulted in substantial market cap uplift to the NRG parent company.

Tom has more than 25 years of domestic and international experience in senior level positions growing and managing a significant P&L. He spent 15 of those years living in Asia wearing the roles of Asia Pacific Managing Director for the international development company InterGen as well as the Asia Pacific Managing Director for Foster Wheeler Energy Corporation.  Tom holds an MBA and a Bachelor of Science degree in Mechanical Engineering from the University of Arizona.

Steve Bay, Reterro


As COO, Steve manages Field Operations and Engineering. He has over 30 years’ experience as senior executive at equipment manufacturing companies including: Representative Director/EVP at SEN Corporation/Tokyo; Corporate VP Marketing & Technology at Mattson Technology/California; CTO & VP Marketing & Technology at CFM Technologies/Pennsylvania & Tokyo;  President at RF Services/California.

Steve focuses on mission critical roles in corporations and his experience covers operations, Intellectual Property, complex analysis, technology innovation, safety and contracts. 

Steve has a BA in Chemistry/Philosophy from Saint Louis University.

Brian Desmarais, Reterro


Brian has over 15 years of experience as a senior executive at semiconductor equipment and electronics companies including: VP and General Manager at Segue Manufacturing Services, providing contract manufacturing services; President of Flexible Engineering, LLC, where he provided turn-key engineering design manufacturing program management; Nuclear Test Engineer at Portsmouth Naval Shipyard, as civilian employee of the US Navy serving as Reactor Test Engineering Supervisor and Assistant Chief Test Chief Engineer.

Brian has also held a variety of senior management positions at Axcelis Technologies, Inc, including VP of Product Engineering, VP of Global Sales, and Director of Marketing for Ion Implant and Thermal Products. Under his leadership significant gains in product market share and product line profitability were attained.

Brian has a BA in Physics from University of Maine and MBA from Southern New Hampshire University.


As VP of Brownfield Development, Tad is responsible to execute the company’s brownfield development strategy. He is an entrepreneurial executive with over 30 years’ experience in multiple industries including healthcare and real estate development. 

Previously, Tad held positions as President/CEO of the Arizona Heart Foundation and COO of the Arizona Heart Institute, where he was responsible for significant market growth and value creation, while managing a $60 million P&L. During that time, he also owned and developed over 200,000 square feet of real property.

Tad holds a Bachelor of Science in Business with an emphasis in real estate and finance. 

Keith Latham, Reterro


Keith is responsible for developing and implementing a program that takes a customer’s environmental liability and turns it into asset by transferring liability, remediating the site, and partnering with others to redevelop the valuable real estate, while creating mutually beneficial relationships.

Prior to joining Reterro, Keith ran his own energy development consulting firm, where he helped clients develop large energy infrastructure projects, including liquefied natural gas (LNG) export terminals, and utility-scale solar projects. He played a critical role in the successful financing of a $10B LNG project along the Gulf Coast which is now under construction. He also played an important role in the early development of another greenfield LNG project near the Gulf Coast. In addition, he created significant value for multiple clients developing solar projects in multiple states. 

Previously, Keith was Vice President, Development for NRG Solar, where he successfully acquired and/or developed four projects totaling more than 150 MW now in operation. 

Steve De Young, Reterro


Steve has more than 30 years of program and project management experience in the coordination and integration of engineering and environmental disciplines in facility siting, project development and construction and liaison between federal, state, and local agencies, applicants, and the public during the development process. He is well versed in managing interdisciplinary environmental projects and participating in environmental investigations, regulatory reviews, and permitting and mitigation activities for power generation and transmission facilities. He has a strong working knowledge of environmental laws and regulations, regulatory review processes, and compliance processes for a broad range of environmental issues. 

Prior to joining Reterro, Steve was a Vice President with AECOM, the #1 engineering firm by revenue in Engineering News-Record magazine’s annual industry rankings. While at AECOM he led a number of number of multi-million dollar projects for major AECOM industrial clients. Prior to joining AECOM, Steve was the VP of Environmental Affairs for BrightSource Energy. He successfully led a team of environmental consultants, attorneys, and public outreach professionals in the permitting of BrightSource’s $2.5 billion Ivanpah Solar Electric Generating System, the first utility-scale solar thermal project to be licensed in California in over 25 years. His early career was spent at the Bechtel Corporation where he held increasingly responsible positions in project and program management, site remediation, and regulatory compliance and permitting. 

Steve has a BA in Environmental Studies from Cal State Fresno.