Leadership

Principals

Joe Tortorella, PE, Hon AIA NY
President, Senior Principal

Kirk Mettam, PE
Executive Vice President, Senior Principal

Nat Oppenheimer, PE
Executive Vice President, Senior Principal

Edmund P. Meade, PE
Director of Historic Preservation, Principal

Vassil Draganov, PE
Principal

Scott Hughes, PE
Principal

Alastair C. Elliott, PE
COO, Principal

John McCue
CFO, Principal

Pat Arnett, PE
Principal

Mike Auren, PE
Principal

Nancy Hudson, PE
Principal

Victoria G. Ponce de Leon, PE
Principal

Benjamin Rosenberg, PE, LEED AP
Principal

Sara Steele, PE
Principal

President Emeritus

Robert Silman, PE
President Emeritus

Associates & Directors

Jeffrey Beane
Associate

Ellen Blumenthal
Associate/Administration

Boris Brezac 
Associate

John DeKraker, AIA
Associate

Justin Den Herder, PE
Associate

Nathan Hicks
Associate

Amy Hwang, PE
Associate/Technical Development Director

Luis Laso
Associate/Finance Manager

Mark Maghakian
Associate

Deborah McGuinness, PE
Senior Associate

Jason Myers, PE, SE, LEED AP BD+C
Associate

Kate Morrical, PE
Associate

Thomas Reynolds, PE
Associate

Chris Ruiz, PE, SE
Associate

Ian Schmellick, PE
Associate

Liviu Schwartz, PE
Senior Associate

Geoffrey Smith, PE, LEED AP
Associate

Laura Smith, PE
Associate

Eytan Solomon, PE, LEED AP
Associate

Jason Tipold, PE, SE, LEED AP
Associate

Mike Tomlin
Associate

Derek Trelstad
Associate