Board & Staff

Larry Hanson
Graduate of Sonoma State University with a degree in physical sciences and mathematics. After getting a teaching credential there, he taught elementary school for over 30 years focusing subject matter on environmental and outdoor education. He is also involved in other organizations on forestry and watershed issues.

Sarah Conte-Jacobs
Sarah is a graduate of UC Berkeley with a major in Conservation and Resource Studies. She works as an administrative assistant in a medical office in Marin and enjoys volunteering for her synagogue.

Lisa Mador
Mador, a legal assistant, is active in the Sonoma County environmental movement by supporting legal means to achieve environmental goals.

Ralph Metzner, Ph.D.
Metzner is a psychotherapist and professor at the California Institute of Integral Studies, where he teaches courses on states of consciousness and ecological worldviews. He is co-founder and president of the Green Earth Foundation. (www.greenearthfound.org)

Bob Rawson
Bob Rawson is a wastewater consultant with 26 years experience. Bob holds a California Grade V Wastewater Treatment Plant Operators license, and an Industrial Wastewater Inspectors Certification. He has a Life and Physical Science degree from the University of San Jose State and a California State Teaching Credential. He has been an instructor in Wastewater Treatment at Santa Rosa Junior College for the last 18 years. Bob sits on the Board of Directors of a number of community non-profit and environmental organizations. Bob is currently President of International Wastewater Solutions Corporation, (IWS).

Julio C. Gutierrez
Julio C. Gutierrez is a singer/songwriter from Los Angeles, CA. He has lived in California for twenty-five years. As a conscious citizen of the world, he volunteers his spare time cleaning beaches and teaching young individuals the basics of music theory. Mr. Gutierrez believes that the people of the world will someday exist as one unit, through cooperation and redeveloped social and political policies, and after bold mighty young heroes have successfully opposed destructive political agendas with solutions, bypassing their destructive influence. Music is always essential when a generation screams out for change and Mr. Gutierrez writes music that provides solutions as oppose to singing “the blues”. He believes in River Watch’s mission and is happy to show his full support in any way that the organization may need from him in the future.

Cary Sparks 
Cary Sparks co-directs Grof Transpersonal Training. She has been administrator of the training program since 1991, working at that time with Stan and Christina Grof.  Besides the breathwork and her family, Cary’s passions are the environment, writing and horses. Her novel, Incensed, is a humorous take on the world of transformational workshops. She rides warmblood sporthorses and Thoroughbred ex-racehorses, several of whom have gone on to have successful show careers.  Cary’s current writing project is a series of equestrian-themed romance novels.  Cary has lived in the California since she was a young adult.  She is deeply concerned about water pollution and the effect it has on the environment.

Tav Sparks
Tav Sparks is a teacher, consultant, and writer with over 30 years of experience working therapeutically with people in non-ordinary states of consciousness.  Since 1986, Tav has conducted hundreds of trainings and workshops and supported thousands of individuals in their deep inner work.  In 1998, Tav, along with Cary Sparks, took over GTT from the Grofs, and he currently leads and oversees a network of seminars and events all over Europe; North and South America; and Australia.  Tav is the author of four books, a training manual, and a CD series. In his latest book, The Power Within: Becoming, Being, and the Holotropic Paradigm. He was program coordinator for three conferences of the International Transpersonal Association (ITA) and served as a member of the ITA Board of Directors. Tav lives in Northern California and is the father of two sons, Ason and Bryn, and the grandfather of three boys. Tav firmly believes that real environmental change will occur with a change in consciousness.

Legal Counsel to Board

Jack Silver
Jack Silver received a BA in microbiology from the University of California, Berkeley. Following his undergraduate study at Berkeley Jack completed a Master's program in microbiology at Sonoma State University. After college Jack worked in the biotech/bioprocess industry for 16 years. While still working full time Jack attended Empire College School of Law at night and received his JD in 1992. In 1996 he helped found River Watch. He has been happily married to his wife Kate, a local artist, since 1972.