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Peaks Renewables has built a diverse team of community and environmentally-minded subject matter experts committed to identifying and developing projects that drive down emissions in the thermal energy sector through innovative practices and solutions using  renewable natural gas and green hydrogen.

Angus King

President, Peaks Renewables

Angus King is a cheerleader, idea generator, coach, and sounding board. He serves as the President of Peaks Renewables and is truly passionate about the role that renewable energy and conservation play in contributing to improving and protecting the resources we all share and appreciate. In addition to his role at Peaks Renewables, Angus is a board member of The Nature Conservancy in Maine, enjoys ice hockey, and loves being outdoors with his family. Whether hiking, snowshoeing, skiing, hunting, or fishing, it’s safe to say Angus is a true Maine outdoorsman who is dedicated to keeping Mother Nature protected for future generations to enjoy.

Lizzy Reinholt

Senior Vice President & Chief Operating Officer

Lizzy Reinholt joins Peaks after nearly a decade supporting the company as the SVP of Corporate Affairs, Sustainability, and Marketing at Summit Utilities, where we worked closely with Peaks and others to develop policies and corporate strategies to reduce emissions and establish new policy pathways to advance the development of renewable fuels. She is excited to join the Peaks team, where she can focus exclusively on building the team and helping companies, states, and the country advance their climate goals by decarbonizing the molecule and turning waste into energy. When she’s not at work, Lizzy enjoys hiking, skiing, and spending time with her husband and daughter in the woods of Maine. She also serves on several state and local nonprofit organizations focusing on economic development and community health and wellness in rural Maine.

Aidan Renaghan

Sr. Director, M&A and Commercial Strategy

Aidan Renaghan serves as Peaks Renewables’ Director of Renewable Project Development. His passion for sustainability can be traced back to his continual desire to conquer new challenges and find innovative solutions to ‘unsolvable’ problems. He believes that climate change is the great challenge of his generation, and that decarbonizing thermal energy is the key to achieving carbon reduction at a speed and scale necessary to meet this global challenge. Aidan had a varied career before joining the Peaks team, serving in the Peace Corps in Ukraine, working as a professional chef, and spending time in higher education and international development. Now, his career path is driven toward finding solutions in the renewable energy sector to create a cleaner and brighter future for him and his family.

Geoff Sparrow, PE

Director of Renewable Project Development

Geoff Sparrow serves as Peaks Renewables’ Director of Renewable Project Development. He started working in the renewable energy industry in 2006. During his career, he has focused on solar construction, design, engineering, and project development. He is a licensed Professional Engineer. Throughout his professional journey, Geoff has been fortunate to guide enthusiastic and eager individuals, deriving satisfaction from coaching and leading teams to success. He is passionate about decarbonizing our economy and strongly believes turning waste and renewable electricity into renewable fuels is the most viable path to achieve this goal. Outside of work, Geoff enjoys spending time with his wife and two daughters, being outdoors, bass fishing, and playing squash.

Graham Christy

Manager of Engineering

Graham Christy works as the Senior Manager of Engineering for Peaks. Graham offers unparalleled experience in the renewables field by leading project process development, oversight of in-field installations, and industry and new technology evaluation. With an understanding that people will always need energy, Graham’s skills in determining the technical feasibility and evaluation of renewable natural gas (RNG) and hydrogen projects will aid in discovering more sustainable solutions for future generations. Graham is a loving husband and newly appointed dad, and enjoys cheering on the Colorado Boulder Buffs.

Pervez Mohamed

Renewable Project Developer

Pervez Mohamed has spent the last few years developing large scale energy infrastructure projects throughout the Southern, Midwestern, and Eastern United States. He brings a wealth of industry knowledge to his role at Peaks. Previously, he led the development of large wind and solar generation projects across the country and has an extensive background in large, industrial and commercial scale energy project development. Pervez enjoys hiking, running, the outdoors, and all things American National Parks. He is passionate about environmental conservation and is grateful to work alongside his team at Peaks, which is working hard to decarbonize American power and energy space and reduce our collective carbon footprint.

Rob Quellamlz

Renewable Project Developer

Rob Quellmalz’s heart for sustainable development and construction practices is rooted in his work experiences managing the development of food-waste-fueled anaerobic digesters and advanced food-producing greenhouse projects across the country. He brings with him years of experience in development and the renewable fuels space. A beach-going California native, he now proudly calls the north shore of Massachusetts home. When he's not developing projects, Rob is a loving husband and dog/cat dad that enjoys ocean swimming, world history, and science-fiction novels.

Ezra Flint

Commercial Strategy Specialist

Ezra works as the Development Associate for Peaks Renewables, leading our carbon accounting, data collection, and compliance for operating projects – plus supporting the development of our project pipeline. Ezra is a local from Portland and graduated from Middlebury College where he received his BA in Earth and Climate Sciences and Environmental Studies. Ezra values being a team player and solving hard problems. Beyond his environmental pursuits, he enjoys cross-country skiing and is a key member of his trivia team.

Jon Tang-Kong

Business Development Associate

Jon Tang-Kong serves as a Business Development Associate for Peaks Renewables. In his role, Jon works to identify and develop renewable natural gas projects to transform emissions into low-carbon fuels that further the energy transition and power the local economy. Jon’s prior work experience includes management consultation for electric and gas utilities and knowledge in the wind energy field. Jon is from Chelmsford, Massachusetts and graduated from Colgate University. When Jon isn’t working, he’s spending his time rock-climbing and road-tripping across the country. When exploring new destinations across the US, Jon enjoys stopping along the way to read roadside historical plaques. Jon’s aim is to make a difference in the world by working to reduce our carbon footprint and improving the local economy.