Callan McLeod

Building Performance Analyst II

Accreditations, Certifications & Advanced Degrees
  • Engineer in Training (E.I.T.)
  • Certified Passive House Consultant (CPHC®), 2023
  • BS in Mechanical Engineering, University of Washington, 2019


Callan began her career with O’Brien360 as an engineering consulting and energy modeling intern. She currently serves as a Building Performance Analyst I bringing to her position a passion for sustainability and innovative solutions. This, coupled with her experience in HVAC and plumbing design, as well as her interest in software development, make her an ideal fit for the company, and a strong contributor to the Building Performance team.