Our Team

David M. Campbell
Principal
David M. Campbell, P.E.
Karen A. Lynch
President & Principal
Karen A. Lynch, P.E.
Paul A. Gossen
Principal Emeritus
Paul A. Gossen, P.E., F.ASCE
Stephen P. Emery
Principal
Stephen P. Emery, P.E.
Timothy D. Mills
Principal
Timothy D. Mills
Eric E. Dahl, P.E., S.E.
Principal
Eric E. Dahl, P.E., S.E.
Jeremy M. Tsay, P.E.
Associate
Jeremy M. Tsay, P.E.
Sarah M. Harms, P.E.
Project Engineer
Sarah M. Harms, P.E.
Pete B. Weekes, P.E.
Project Engineer
Pete B. Weekes, P.E.
Ethan Wang, E.I.T.
Design Engineer
Ethan Wang, E.I.T.
Dorota Rogulska
Business Manager
Dorota Rogulska
Hillary Oliver
Administrative Assistant
Hillary Oliver

Professional Licensure

Geiger Engineers' staff includes licensed Professional Engineers authorized to practice in multiple jurisdictions.

Licensure is maintained in these U.S. states and Canadian provinces.

© 2026 Geiger Lynch Emery Campbell Engineers P.C. All rights reserved.