
John Sternitzke, PE, FPE, CXA
FOUNDER | PRINCIPAL 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
Senior Mechanical Engineer | PE | QCxP | LEED AP

SARA LARSON
AIA | BECxP | CxA+BE | LEED AP

CARLOS LOPEZ
Mechanical Engineer | EIT | QCxP

MARIO PITOTTI
Senior Project Manager

KATHLEEN DOLAN
Architectural Technician

THOMAS HERNANDEZ
Electrical Engineer | EIT

JEFF WILLIAMS
Mechanical Engineer | EIT | QCxP

DAVID WATSON
Electrical Engineer | PE

DESTINY ZAMORA
Mechanical Engineer

JEDIDIAH WARD
Electrical Engineer | EIT

LINA LOPEZ
Office and Accounting Manager

SUSAN STERNITZKE
Chief Financial Officer

