Our Team

Meet our expert team driving sustainability forward with passion, knowledge, and a commitment to excellence.

Enthusiastic to make an impact? Check out our open positions!

Krystal O’Hara

Managing Principal
LEED AP BD+C, WELL AP, Fitwel Ambassador, GGP

Katie Fink

Principal
LEED AP O+M, WELL AP

Tim Barranco

Principal
LEED AP BD+C, NGBS Master Verifier

Hailee Griesmar

Director of Sustainable Programs
LEED AP BD+C, LEED AP ND, NGBS Verifier, Fitwel Ambassador

Casey Ross, PE

Director of Decarbonization
BEMP, LEED AP, GGP, CDP

Michael Sumpter

Director of Residential Programs
NGBS Master Verifier, RESNET HERS Rater, Passive House Verifier, BPI-MFBA, Earthcraft Verifier

Andrew Gordy, PE

Senior Decarbonization Engineer
BEAP, CDP, LEED Green Associate

Michael Sizemore

Commissioning Authority
CxA, LEED Green Associate

Megan Knox

Senior Project Manager
LEED AP BD+C, GGP

Cindy Castro

Senior Project Manager
BPI-MFBA, NGBS Verifier, HERS Rater

Benjamin Holland

Project Manager
LEED AP BD+C, NGBS Verifier

Hope Grobler

Project Manager
LEED AP ID+C

Audrey Strawderman

Associate, Project Manager
LEED AP ID+C, Fitwel Ambassador, GGP

Callie Simon

Associate, Project Manager
LEED AP BD+C, NGBS Verifier

Brandon Nott

Project Manager
NGBS Green Verifier; HERS Rater; LEED Homes Green Rater

Michael Newman

Project Manager
RESNET HERS Rater, NGBS Verifier

Rebecca Gullott

Project Manager
LEED AP BD+C, Envision SP

Olivia Patsy

Assistant Energy Analyst
LEED AP BD+C

Olivia Pickens

Assistant Project Manager
LEED AP BD+C

Allie Gerstley

Office Manager

Katie Lund

Marketing Manager

Peter C. Doo

Founder
AIA Fellow, LEED AP BD+C, LEED AP ID+C, LEED Fellow, Living Building Challenge Hero, Green Globes Professional

Neil Fiorelli

Neal Fiorelli

Founder