Our Team


Jason Ulseth


Jason Ulseth is a Georgia native who grew up fishing and boating on the Chattahoochee River. During his childhood, he developed a love and passion for the river and our natural environment.

Juliet Cohen

Executive Director

Juliet Cohen was born and raised in San Juan, Puerto Rico. There she grew up surrounded by and immersed in pristine tropical waters and rainforests, and developed a love and respect for the natural world.

Atlanta Office Staff

3 Puritan Mill
916 Joseph E. Lowery Blvd. NW
Atlanta, GA 30318


Tammy Bates

Outings Director

jillian griffin development association chattahoochee riverkeeper

Jillian Griffin

Development Associate

Becca Klein

Planned Giving Officer

Chris Manganiello

Water Policy Director

Carol McIntosh

Financial Manager

Mike Meyer

Neighborhood Water Watch Program Director

Rosemary Pitrone

Communications Manager

Jess Sterling

Technical Programs Director

Kyndall Thiessen

Development Director

Christina York

Database Manager

Jordan Yu

Watershed Protection Specialist

Headwaters Office (Gainesville) Staff

104 Washington Street SE
Gainesville, GA 30501


Mallory Pendleton

Headwaters Outreach Manager

Becca Risser

Headwaters Watershed Specialist

Middle Chattahoochee Regional Office Staff

35 South LaFayette Square
LaGrange, GA 30240


Henry Jacobs

Middle Chattahoochee Director

Ashley Desensi

Technical Programs Specialist


Sally Bethea is the founding director and riverkeeper of Chattahoochee Riverkeeper; she served in this capacity for 20 years until 2014, when she retired and became a senior advisor to the organization.

Join Our Team

Interested in working with us? Check out our current opportunities and internships!

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