meet the founders

Tina Matthias: Executive director

Tina worked in a nonprofit setting at the Living Coast Discovery Center for over 32 years as the Volunteer and Programs Manager. She currently serves as the chair for the Sustainability Commission for Chula Vista and is on the Zero Waste & Plastics Ban and the Bayfront Cultural Design committees. Tina Loves educating her community on how to be sustainable through neighborhood composting, organizing community clean-ups and nature hikes, and hosting gardening and zero waste workshops.

Since beginning South Bay Sustainable Communities Network, Tina has received the Melvin Jones Fellow Award from the Lions Club International Foundation and has led the nonprofit to receive the Organization award for Sustainable Champion from the City of Chula Vista.

In her spare time she is a member of The Rotary Club of Chula Vista and loves to bake goodies for all her friends and family.

eric bonney: lead master composter

Eric held a supervisor, instructor and customer service representative position for almost 30 years. After retiring, he became a volunteer at the Living Coast Discovery Center where he participated in community clean ups, zero waste programs and the compost garden. He completed their master composter certification program and co-founded the South Bay Sustainable Communities Network with Tina. Throughout the program’s pilot year, he educated his neighbors about the process and the benefits of composting and has been the lead master composter for his Vance Street neighborhood since June 2019.

Eric is currently employed at the San Diego Zoo as a guest ambassador and enjoys riding his bicycle, play at golf, and brewing his own craft beer and mead. He then uses the beer grains in his composting.