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 & Workforce Development

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

Senior 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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Yvonne Coles

Manager, Account Management, 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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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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Gabriel Cunha

Account Manager, Small Businesses and Houses of Worship

Gabriel Cunha is a DCSEU Account Manager for small businesses and houses of worship to help them find energy solutions, incentives, and rebates. Prior to joining the DCSEU, he accumulated three years of experience in cultivating relationships by working in the ticket sales and fundraising departments in college athletics. Gabriel obtained his Masters of Professional Studies in Sports Management from Georgetown University and a Bachelors of Science in Kinesiology from the University of Central Florida.

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Imir Paz

Account Manager

Though a Maryland native, Imir has a dedicated past in helping the local DC community. From working in the special education sector, to the real estate market, Imir has experience in real estate brokerage management, and ensuring tailored solutions and exceptional service for all clients. As an Account Manager for condominiums and cooperatives in Washington, DC for the DCSEU, fostering strong client relationships to drive success is the goal. During his personal time, he enjoys gardening, playing soccer, and going to concerts.

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