Sam Tignor, PE

Sam Tignor, PE

Sam leads Gorove Slade’s design team for the DC and Bethesda offices. Working primarily out of Bethesda, Sam has multiple years of experience working in both private and public sector transportation design projects. Sam has expertise in traffic signal design, roadway...

Kat Ritzmann

Kat joined Gorove Slade with six years of transportation and roadway design experience, specializing in intersection reconstruction and ADA-compliant design. Since joining the firm’s Washington, DC office nearly two years ago, she has broadened her technical expertise...
Maria Ponton

Maria Ponton

Maria joined Gorove Slade in 2020 bringing with her prior experience in structural engineering. She has experience in project entitlement, parking studies, transportation and parking management plans, design work – including pavement markings and signage plans, truck...

Rob Papera

Rob is a transportation engineer working out of Gorove Slade’s Richmond office. He has two years of experience primarily focused on traffic analysis, signal design, and traffic management plans (TMPs). His technical skill set includes Synchro, SimTraffic, and...
Michael Fohs, PE

Michael Fohs, PE

Michael joined Gorove Slade with six years of roadway design, transportation, and drainage experience with particular focus on corridor modeling and profile design. In his role, he worked primarily in Fairfax, Loudoun, and Prince William County on VDOT projects....
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