Staff

Green Building Alliance is proud to employ a diverse group of passionate staff members, each of whom offers unique expertise and perspectives.

While all GBA staff members share a deep interest in the environment and a commitment to green building and sustainable development practices, their backgrounds include: architecture, engineering, community engagement, environmental studies, graphic design, and more.  Each staff member either has or is working towards a green building professional credential.

Dr. Aurora Sharrard

Executive Director
LEED AP BD+C

Angelica Ciranni

Pittsburgh 2030 District
Senior Director
LEED AP O+M

Jenna Cramer

Vice President
of Transformation & Community

LFA, LEED AP

Ryan Walsh

Relationship & Development
Senior Director

LEED Green Associate

Alexa Bartel

Program & Resource Coordinator, PULSE Fellow

Brian Brown

Learning Coordinator

Bradd Celidonia

Multimedia Director

Bev Collier

Executive Assistant
LEED Green Associate

guy-mcumber

Guy McUmber

Northwest PA Branch Director

Leslie Montgomery

Education Director
LEED AP BD+C

Kristen Osterwood

Technical & Policy Director
LEED AP O+M, WELL AP, CPHD

Isaac Smith

Data & Performance Director
LEED Green Associate

Kurt Steigerwald

Green & Healthy Schools Specialist

Natalie Stewart

Communications Director 

quinn_zeagler

Quinn Zeagler

Program Outreach Specialist
LEED AP O+M

Michelle King

Green & Healthy Schools Consultant

Mark Swiger

Green & Healthy Schools Consultant