Our Experts

The DCSEU Account Management team offers building owners and design teams business guidance, technical support, and rebates to meet the needs of all types of commercial and multifamily facilities. Our team of experts is here to help you find cost-effective solutions for your business with standard rebates, custom energy savings calculations with cash flow analyses, strategic stakeholder engagement, and workforce development. Contact one of our Account Managers to get started on saving energy and money at your facility today.

Crystal McDonald

Director, Account Management

Crystal has over 20 years of experience in the energy and utilities sector where she supports strategies and programs that develop sustainable communities, install clean energy technologies, and reduce greenhouse gas emissions. Prior to joining the DCSEU, she served as a policy and programs advisor at the US Department of Energy, Office of Energy Efficiency and Renewable Energy. Crystal earned a Masters in Energy and Environmental Management from The George Washington University, a B.S. in Architectural Engineering from North Carolina A&T State University, and completed the Partnership for Public Service Excellence in Government Fellows Program. During her personal time she enjoys serving her community, cheering on local sports teams, and exploring regional arts and culture events.

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Cory Chimka

Account Manager, Educational Facilities

Cory Chimka is a Senior Account Manager at the DCSEU where he serves as the direct link for commercial and institutional customers to take advantage of rebates, incentives and no cost technical assistance. Through his work, Chimka helps schools, municipal buildings, and more, save money on their utility bills and become more environmental conscious. Prior to joining the DCSEU, Chimka worked for more than 10 years as an award-winning DC Public School teacher, followed by running the largest nonprofit afterschool program in the District.

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Rick Fleury

Trade Ally Manager

Rick Fleury currently serves as the DCSEU's Trade Ally Manager, where he develops and maintains relationships with DC-area and national representatives for contractors, distributors, and manufacturers to help the DCSEU plan its programs and navigate the market. With a background in finance, Rick has more than 33 years of energy experience working for utilities in Arizona, Vermont, the Island of Kauai, and now Washington, DC. Before moving to the District nine years ago, he worked for Efficiency Vermont serving as Senior Program Manager – Lighting Technologies.

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Howard Harris, Jr.

Account Manager, Affordable Multifamily Properties

Howard is an experienced sales professional who has worked for various Fortune 500 companies over the past 18 years (Pfizer Pharmaceuticals, Toyota Motor Sales, Eli Lilly, and FedEx). Prior to joining the DCSEU, Howard worked as a Regional Manager for Clean Energy Fuels, the nation’s leader in providing sustainable, renewable natural gas solutions for transportation. Howard’s relationship-building skills helped to make him one of Clean Energy’s most effective and impactful members of the business development team. During his tenure, Howard assisted fleet operators throughout the East Coast region with an array of CNG projects including: CNG station construction/management, fleet acquisition, and conversions. Howard received his BS in Business Management and MBA from Florida A&M University in Tallahassee, Florida.

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Leigh Harrold

Account Manager, Hotels and Retail

Leigh is a DCSEU Account Manager for retail and local businesses to help them find energy solutions and rebates. She also handles the retail stores efficient products to make sure all of the rebated lighting and appliances are being regulated. She facilitates and maintains the relationship with business and store owners to make sure DCSEU projects with us are correctly handled. Leigh came to the DCSEU with more than 2 years’ experience working in the local business sector with an internet start-up company.

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Andrew Kunkel

Account Manager, Small Business and Retail

Andrew is an Account Manager for small businesses and retail in DC. Before joining DCSEU, Andrew began his career out of college managing a ski/bike shop in Killington, Vermon, where he became interested in sustainability. After Killington, he spent a year working in sales at SolarCity and two years working in sales at financial tech company eOriginal in Baltimore, Maryland. Andrew graduated from the University of Delaware with a Bachelors in Political Science and History.

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Yvonne Coles

Account Manager, Hospitals and Health Care Facilities

Yvonne is a native Washingtonian with 16 years of experience working with cable/phone/internet providers. She transitioned into the hospitality industry 9 years ago at the Washington Marriott Wardman Park Hotel, working her way up from the Front Office to Group Sales, Event Planning, and finally into Catering Sales. Prior to joining the DCSEU, she served as Senior Catering Sales Manager at the Washington Hilton. Yvonne obtained her BS in Computer Science from North Carolina Agricultural and Technical State University in Greensboro, North Carolina.

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Marina Smith

Account Manager

Marina joined the DCSEU Account Management team after completing the DCSEU Workforce Development Program which allowed her to make a career transition into sustainability. Her externship in the program was with the Department of Consumer and Regulatory Affairs (DCRA) as a Sustainability Analyst working on compliance projects and leading the Net-Zero Energy Program. Prior to this she was a Geographic Information Systems (GIS) Analyst in business development for corporate hospitality. She has a BA from the University of California Santa Barbara in Geography and a MSc from the University of Edinburgh in GIS.

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