FAIRFAX, VA Dewberry, a privately held professional services firm, has announces the promotions of Christian Marsh-Frydenlund, CEM, and Megan Sterl, PE, PMP, CEM, LEED AP, to associates in the firm's Denver, Colorado, office. 

Christian Marsh-Frydenlund has worked in the energy industry for more than 12 years. Her experience includes retro-commissioning of existing buildings and energy modeling performance in buildings. She is also experienced in diagnostic trending, client management, and project implementation.

Marsh-Frydenlund received her bachelor's degree in chemical engineering as well as her master's degree in engineering and technology management from the Colorado School of Mines. She is a member of the Society of American Military Engineers and the Association of Energy Engineers. 

Having been in the energy industry for more than 10 years, Megan Sterl leads a team of energy engineers and project managers in delivering energy-focused facility optimization services for a wide range of market segments, including government, healthcare, education, commercial, industrial, and other institutional facilities. 

Sterl received her bachelor's degree in mechanical engineering from the University of Michigan and her master's degree in business administration from the University of Colorado. She is a member of the American Society of Heating, Refrigerating, and Air Conditioning Engineers and the Project Management Institute.