Our Team

Health Care Without Harm uses a unique structure of collaboration to affect our change sector wide. Our team includes employees of Health Care Without Harm, environmental and health organizations, institutions and independent consultants.

The HCWH U.S. headquarters are located at:
12355 Sunrise Valley Dr., Suite 680
Reston, VA 20191 USA
p: 703-860-9790
f: 703-860-9795

Our Teams

Executive Team

Gary Cohen
President and Founder
Read Gary's bio

Paul Bogart
Executive Director 

Jolie Patterson
Chief Operating Officer

Stacia Clinton
Chief Program Officer


Dereje GebreMichael
Senior Accountant

Genework Hunde
Accounting Clerk

Erwin Yunani
Database Manager

Veronique Nagle
Human Resources & Administration Director

Kervi Walent
Human Resources and Administration Coordinator

Michelle Gottlieb 
Director of Organizational Change and Learning

Sanjeev Kale
Information Technology Director

Brian Youngblood
Information Technology Manager


Benn Grover

Kevin Conway
Associate Director

Lindsey Corey
Associate Director

April Galarza
Communications Manager, Healthy Food in Health Care, Safer Chemicals

Nick Knock
Communications Manager

Ella Schwotzer
Communications Manager, Climate and Health Program

Ana Belluscio
Global Communications Manager


Marisa Brasor
Managing Director of Philanthropic Partnerships

Climate and Health Program

Jessica Wolff

Sarah Spengeman, PhD
Associate Director of Communications and Advocacy

Robyn Rothman
Associate Director of State Policy Programs

Amy Collins, MD
Senior Clinical Advisor for Physician Engagement

Shanda Demorest
Staff Lead, Nurses Climate Challenge

Energy and Built Environment Program

Robin Guenther
Sustainable Healthcare Design Leader
Perkins + Will

Paul Lipke
Room to Maneuver

Bill Ravanesi
Boston Regional Director
Senior Director of Health Care Green Building and Energy Program

Healthy Food in Health Care Program

Emma Sirois
National Program Director

Hillary Greenwood
National Procurement Director

Lucia Sayre
Western Region Director

Courtney Crenshaw
California Regional Coordinator

Lauren Poor
California Community Food Systems Coordinator

Amber Hansen 
Southwest Program Coordinator

Jennifer Obadia
Eastern Region Director

Lauren Kaskey
New England Regional Coordinator

Betsy Skoda
New England Community Food Systems Coordinator

John Stoddard
National Project Manager

International Coordination

Josh Karliner
International Director of Program and Strategy

Mariano De Donatis
International Managing Director

Complete list of Global Projects team

Safer Chemicals Program

John Ullman
Director of Safer Chemicals and Procurement

Tracey Easthope   
Environmental Health Director   
Ecology Center

Mark Rossi
Co-Director, BizNGO & Management
Clean Production Action

Ted Schettler, MD
Science Director       
Science & Environmental Health Network