The Osborn | Rye, NY
DTS Provident Leadership Team
People
Andrew V. Tung, ASLA, Esq., LEED AP
Principal
Gerhard M. Schwalbe, P.E.
Principal
Charles ‘Carlito’ Holt, P.E., PTOE
Principal
Brian Dempsey, P.E., PTOE, RSP1
Principal
Mark S. Gratz, P.E.
Senior Associate
Peter Gregory, P.E.
Senior Associate
Donna M. Maiello, ASLA, PLA
Senior Associate
Ralph Peragine, P.E.
Senior Associate
Matthew N. Steinberg, AICP
Senior Associate
Christopher Hanzlik, EIT, CPESC, CPSWQ
Associate
Cosimo Reale, CPESC
Associate
Steve Tarabokija, EIT
Associate
Staff
Rolando C. Cancio
Daris Monroy Castillo
Lisa George
Brian Haggarty, EIT
Stephanie Lopez
Jessie Morgan, EIT
Kenneth Murphy
Leanne Ortega
Angela Parodi
Heriberto Veras
Lorraine M. Witt
Benjamin Zaccara