Rooftop Systems Engineers, PC: Team

Johann (John) L. Willers, P.E., R.R.C.
President

Elaine M. Willers
Vice President, Finance

Benjamin J. Cannon, R.R.C.

Michael R. Cummings, R.R.C.

David J. Willers, P.E.

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Elaine M. Willers

Mrs. Willers received her degree in elementary education in 1966. She was the spark that initiated the formation of this firm and has served as visionary and Vice President of finance since its founding in 1996.