Keirstan is a licensed mechanical engineer with 5+ years of experience in high-performance buildings, energy efficiency, and sustainability. Prior to joining EPRI’s Grid Edge Customer Technologies program in May 2023, Keirstan worked at Petersen Engineering Inc, an MEP/FP firm, where she worked as a mechanical engineer and project manager. Keirstan has project experience in large multi-family residential buildings, as well as commercial and institutional projects.