Donovan Energy is at the forefront of clean energy technology.  We empower business leaders to redefine their approach to energy with solutions that simultaneously provide superior returns and increase the underlying value of their assets and organizations.  Our solutions more than pay for themselves by decreasing energy costs, simplifying project financing, reducing energy usage and increasing production of renewable energy.   Let us show you how.



Scott Batchelder
Energy Solutions Manager

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As Donovan Energy’s Energy Solutions Manager, Scott oversees the development and implementation of projects from start to finish. Drawing upon his strong communication skills obtained from his sales experience at REI, Scott ensures client satisfaction. He has expertise in cultivating strong working relationships and gives customers the attention they deserve. 


Lynette Champegny

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Lynette joined Donovan Energy in 2016 with a background in business administration and customer service. In her current role, Lynette oversees all Donovan Energy's rebate administration working closely with dozens of utilities on behalf of her clients. Over the past four years, Lynette has secured over $1 million in utility rebates and incentives on behalf of Donovan Energy clients.


Tim Donovan
Partner & Chief Executive Officer

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Tim Donovan has dedicated his career to energy management and optimization. His expertise spans financial modeling, investment strategy, budget development, planning and corporate structure. Tim has played a key role in several clean energy and sustainability industry "firsts" including the first net-zero energy aviation facility (Hangar 25 at Burbank International Airport), the first LEED-rated gas station (BP's Helios House) and the redevelopment of several buildings incorporating sustainability and energy concepts.

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Sheri Evans

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Sheri joined Donovan Energy in December of 2021.  As a graduate of Thomas More University with a degree in both accounting and business, plus a personal interest in sustainability, she is a natural fit within the Donovan Energy Team.


Andy Holzhauser

Partner & Chief Financial Officer

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With roots in both the finance industry and energy industry, Andy Holzhauser focuses on developing innovative financing solutions for clean energy projects, procurement, market analysis, education and advocacy for solar energy, energy policy, and program development. As founder and former CEO of the Greater Cincinnati Energy Alliance (GCEA), he led the non-profit’s investment of more than $50 million in energy efficiency and renewable energy projects in residential and commercial markets.


Nachy Kanfer

Partner & Chief Strategy Officer

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As the head of Donovan Energy’s consulting practice, Nachy Kanfer sees energy as a strategic asset, not an invisible cost. He works with clients to align their energy choices with their growth strategies, all while reducing exposure and risk. Nachy also leads Donovan’s electricity procurement business, helping customers in deregulated jurisdictions become more competitive by securing favorable terms and rates for their energy usage. ​

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Alex Kaufman
Senior Energy Solutions Associate

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Alex joined Donovan Energy's Solution team in June 2022. Alex has ten years of customer service experience and spent eight years as an entertainment electrician. She uses her background in live events to manage projects efficiently and to a deadline. She is passionate about sustainability and enjoys helping businesses achieve their sustainability goals. Alex wrote a guidebook for the Little Miami River and spends her free time paddling, camping, and traveling.

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Cheriese was born in Lexington, KY and moved to Cincinnati as a teenager. She teamed up with Donovan in the spring of 2022.  The firm that she founded, ESU Consulting, helps to ensure the smooth execution of Donovan Energy’s most complex projects and maintenance work orders. Cheriese is a hard worker and a problem solver, but most importantly she just enjoys helping people. In her free time, she enjoys being with her two children, painting, being in nature and studying the psychological impacts of trauma.


Emma Loebker
Energy Solutions Associate

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In July of 2020, Emma began her career at Donovan Energy working with the Sales and Operations teams to help find the best lighting or electric vehicle supply equipment (EVSE) solution for our customers. She is passionate about the environment and proud to be helping Donovan Energy’s customers develop climate-friendly energy solutions for their businesses.


Jeff Martin

Partner & Chief Operating Officer

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As a partner and large-scale energy project leader at Donovan Energy, Jeff Martin leverages his experience in construction management, project design, scheduling, permitting, and zoning to guide clients through complex energy projects. From developing and retrofitting energy efficient buildings to new technology, Jeff creates and manages plans that help organizations pay less for energy, be more efficient as they use energy, and ultimately, generate renewable energy of their own.

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Matt McGee
 Vice President Advisory Services

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Matt joined Donovan Energy in 2021 to help drive the Company’s overall “go to market” strategy, client engagement and energy advisory functions.  Matt also oversees the sale process within our national electric vehicle (EV) charging infrastructure practice.  He brings 25 plus years of executive leadership experience within technology solutions companies and is a graduate of Southern Illinois University.   He and his family recently returned to live in Northern Colorado after a long absence.  Matt has a passion for the environment and enjoys all the outdoor activities that Colorado has to offer.


Natalie O'Donnell

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As Donovan Energy’s Senior Accountant, Natalie is responsible for ensuring that the company’s daily accounting functions run accurately and effectively. Graduating from Cincinnati State in 2008 with an
Associates Degree in Accounting, she brings over a decade of experience to Donovan Energy.


Natalie is very passionate about the environment and honored to be part of a team that provides clean and efficient energy to our clients.


Mike Petzelt 
Senior Energy

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Mike has over 20 years of experience in the technology, telecommunications and smart lighting industry. As president of Monitor Closely, Mike helped to build a franchise model to cover over 32 states, playing an integral part of the go-to-market vision and strategy. 


Andrew Ritch

Partner & Chief Revenue Officer

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Andrew oversees the company’s sales and marketing efforts. Prior to joining Donovan Energy, he spent a number of years at Duke Energy in a variety of roles within the company’s supply chain, finance, investor relations and strategy teams. Most recently, he held responsibility for devising and executing strategy for renewable energy assets within the company’s midwest regulated businesses (Duke Energy Ohio, Kentucky and Indiana). Previously, he was an Associate at Brown Brothers Harriman & Co.

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Bree Zubrod
Energy Solutions

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Bree graduated from Iowa State University in the Spring of 2022, where she received her degree in Environmental Science. She is part of our operations team as an energy solutions associate where she works to help support our clean energy projects to completion. She brings experience from Environment Iowa in carbon analysis and the improvement of air quality on clean transportation projects. She believes in using her collaborative approach to find sustainable solutions to solve complex problems and is excited to be a part of a team making a large positive impact on the environment.


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