Leadership Leadership Awards and recognition News, articles, and publications Press room Principals Charles C. Copeland, PE, LEED AP Principal Jonah Allaben, PE, LEED AP Principal, Senior Mechanical Engineer and Energy Analyst Daniel Colombini, PE, LEED AP, CEM, DBIA Principal, Multidisciplinary Design Lead, Director of Plumbing and Fire Protection Engineering Daniel Galarza Principal, Executive Account Manager, Senior Mechanical Engineer Eric Mitchell, PE Principal, Director of Mechanical Engineering Vinod Palal, PE Principal, Director of Electrical Engineering Tristan Schwartzman, PE, CEM, EBCP Principal, Director of Energy Services Senior Associates Thomas Abbate Senior Associate, Senior Mechanical Engineer Kristen Baker Senior Associate, Senior Energy Analyst and Mechanical Engineer Jomo Hamilton Senior Associate, Senior Electrical Engineer Kevin Kemp Senior Associate, Senior Mechanical Engineer Aristotle Labiaga, LEED AP BD+C Senior Associate, Plumbing and Fire Protection Engineering Department Head Matthew Terracciano Senior Associate, Senior Electrical Engineer Alex Wilkowski, PE Senior Associate, Senior Mechanical Engineer, Healthcare Lead Melisa Yepes-Schaefer Senior Associate, Senior Mechanical Engineer Associates Scott Ackermann Associate, Senior Mechanical Engineer Curt Rohner, LEED AP BD+C Associate, Senior Mechanical Engineer and Energy Analyst Edward Ciarletta Associate, Senior Electrical Engineer Christopher Varughese Associate, Senior Mechanical Engineer Matthew Foci, PE Associate, Senior Electrical Engineer John Zaccheo, PE Associate, Senior Mechanical Engineer Omar Hashimi, PE, CCP, CBCP, LEED AP BD+C Associate, Lead Commissioning Agent, Senior Mechanical Engineer