NORESCO Leadership Team: Mark Lonkevych

Get to know our Senior Vice President, Public Private Partnerships and Energy as a Service

Mark Lonkevych

Senior Vice President, Public Private Partnerships (P3) and Energy as a Service (EaaS)

Mark Lonkevych has more than 30 years of innovative energy and energy services experience and serves as NORESCO’s Senior Vice President for Public Private Partnerships (P3) and Energy as a Service (EaaS). His leadership experience covers a large project portfolio and includes considerable expertise with energy infrastructure, renewable energy, and third-party financing and asset ownership structures that will be vital in the emerging P3 and EaaS markets.

Prior to joining NORESCO, Mr. Lonkevych spent five years  as Vice President, Business Unit Manager and Market Sector Leader for the Energy Solutions Business at AECOM that included both the ESPC and EaaS business practices. Before that, he served as Vice President and Business Unit Manager for Toshiba’s U.S. Energy Solutions business where he extensively focused on development, engineering, construction, operation and deal structuring for solar, microgrid and battery energy storage projects for public and private customers including utility companies. These projects emphasized renewable generation, power purchase agreements (PPAs) and other creative financing vehicles.

Mr. Lonkevych also served as Senior Vice President and General Manager of Cogenex Corporation, which was purchased by Constellation Energy. He and a core team developed Constellation’s solar renewable business model for delivering electricity from on-site renewable assets under a net metering Power Purchase Agreement. 

Mr. Lonkevych earned a Bachelor of Sciences degree  in Mechanical Engineering Technology from Rochester Institute of Technology and Master of Business Administration degree in Finance from LaSalle University.


NORESCO helps customers create modern, sustainable and healthy buildings, campuses and communities, while saving energy and water, and optimizing operational and capital budgets. NORESCO is also a leader in the effort to address the modern energy infrastructure challenges facing the nation and our world, including decarbonization, electrification, grid flexibility, sustainability and resiliency. Through its projects, NORESCO has guaranteed more than $5 billion in energy and operating cost savings at more than 10,000 facilities throughout the U.S. and abroad, while reducing customer CO2 emissions by more than 25 million metric tons, equivalent to planting 1.4 million acres of forest.

As the demand for modern energy infrastructure increases, the need for NORESCO’s services grows, too. Check out our careers.

NORESCO is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.