Ron Russo is well-known for his broad knowledge and enthusiastic teaching. He has written more than 40 articles for various magazines and journals--including a feature article in Natural History magazine--as well as five technical papers on leopard shark biology. Ron is the author of such books as Pacific Coast Fish Finder, Pacific Coast Mammal Finder, and Plant Galls of the Western United States.

Ron served as a naturalist of the East Bay Regional Park District for 37 years, including 17 years as Chief Naturalist, before retiring in 2003 to focus full-time on his passions of plant galls and shark biology. He is the recipient of the distinguished Fellow Award from the National Association for Interpretation (1989) and served as an instructor of California state park rangers for 25 years at the William Penn Mott Training Center at Asilomar, California. Ron was also a wilderness guide for 18 years, leading trips to observe and study Alaska's rich array of plants and animals, including humpback whales and grizzly bears.

Pam Frazier served as the longtime publications manager at the Grand Canyon Conservancy and was also the deputy director there for a number of years. An artist at heart, Pam found inspiration from the natural beauty that surrounded her in Sedona, Arizona. Her illustrations appeared in the field guides Pacific Coast Mammal Finder and Pacific Intertidal Life. Pam passed away in 2022.