PUBLIC GOOD PR - Key Persons


Mary C. Derr

Job Titles:
  • Senior Associate
Before joining the firm in 2014, Mary worked as a freelance editor, focusing on ecology and environmental education projects, and as a wildlife biologist with a specialty in ornithology. She holds an M.S. in Wildlife Conservation from the University of Minnesota, a Master of Library Science degree from Emporia State University in Kansas, and a B.S. in environmental biology from Yale University. Her happy place is Squam Lake, NH on a clear August afternoon, on the water with her two sons. Her favorite bird is currently the red-necked grebe (but ask her again next week).

Nina Erlich-Williams

Job Titles:
  • Principal
Nina is an expert at managing communications campaigns on behalf of broad coalitions, helping to refine messaging, coordinate diverse viewpoints and secure strategic media coverage. She has placed op-eds in dozens of outlets including the Los Angeles Times, Sacramento Bee, New Haven Register and The Hill on behalf of a wide variety of clients. Nina previously worked as a political and communications consultant in San Francisco, where she directed initiative campaigns. She holds a Master of Public Policy degree from UC Berkeley and a B.A. from Wesleyan University, and she completed a Coro Fellowship in Public Affairs. Nina loves to cook, can and ferment the fruits and veggies that grow abundantly near her Willamette Valley home, where she lives with her husband, two teenagers, a high-maintenance dog and a bonded pair of rescue cats.

Severn Williams

Job Titles:
  • Principal