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Ramon Gilsanz
Phil Murray
Gary Steficek
Joe Blanchfield
Karl Rubenacker
Anthony Pagnotta
Joe Basel
Jonathan Hernandez
Susanne Mackiw
Achim Hermes
Tim Barnard
Vicki Arbitrio
Tele Gonzalez
Cathy Huang
Brendan O Malley
Jerry Smith
Carl Zanier
David Hoy
Eugene Kim
Jennifer Lan
Jessica Mandrick
Jose Mendoza
Kristi Miro
Joe Mugford
Ken Oen
Alirio Puche
David Shea
Jeff Stratton
Barbara Torgerson
Structural Engineers and Building Envelope Consultants
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© Copyright Gilsanz Murray Steficek 2017

Jonathan Hernandez, PE
Partner

Jonathan joined GMS in 2000 after 18 years of working as a structural engineer in the Philippines. He is currently the lead engineer responsible for hundreds of new LEED™ certified PNC Bank branches located across the US. Other projects include the rehabilitation of historic firehouses, the infrastructure upgrade of JP Morgan Chase headquarters, and the construction of a tomotherapy suite fitted with lead walls.