Meet our staff

Pure Strategies is a leading sustainability company that has been transforming business through sustainability performance since 1998. Our team helps companies initiate and enhance existing sustainability programs by setting meaningful goals, devising effective management strategies, and making changes to products and supply chains that deliver value to the business and society.

Tim Greiner

Co-founder and Managing Director

Robert L. Kerr

Co-founder and Principal

Cheryl Baldwin, Ph.D.

Vice President of Sustainability Consulting and Marketing and Business Development

Lou Tarricone

Senior Sustainability Advisor

Kate Harvey

Senior Sustainability Advisor

Colleen Corrigan, Ph.D.

Senior Sustainability Advisor

Kate Winnebeck

Senior Sustainability Advisor

Dave Chaffin, Ph.D.

Senior Sustainability Advisor

Ariella Sela

Sustainability Advisor

Kristi Peyton

Sustainability Advisor

Natalie Kaner

Sustainability Advisor

Cora Kerber

Sustainability Advisor

Aarti Singh

Sustainability Advisor

Elizabeth Wallner

Sustainability Advisor

Lisa Evelyn Murphy

Sustainability Associate

Melanie Fleming

Marketing Manager

Tara Connelly

Office Manager