
John Sternitzke, PE, FPE, CXA
FOUNDER, ENGINEER
Sternco’s founder and firm principal is a registered mechanical engineer in Arizona and California and also holds the QCxP accreditation from UW Madison and the CxA certification from the AABC Commissioning Group.
John wears many hats at Sternco, but is primarily involved in the design of mechanical, plumbing, fire sprinkler, and related systems and is the firm’s Commissioning Authority (CxA).

MATTHEW LARSON
PE | QCxP | LEED AP

SARA LARSON
AIA | QCxP | LEED AP

CARLOS LOPEZ
Mechanical Designer | EIT | QCxP

MARIO PITOTTI
Senior Project Manager

KATHLEEN DOLAN
Architectural Technician

TIM LOCKLEAR
Electrical Design Engineer

JEFF WILLIAMS
Mechanical Designer | EIT | QCxP

DAVID WATSON
Electrical Engineer | PE

DESTINY ZAMORA
Mechanical Designer

JEDIDIAH WARD
Electrical Designer | EIT

LINA LOPEZ
Office Administrator

SUSAN STERNITZKE
CFO