Dan Day

Dan Day, now retired in Oregon, was the backbone of NCGS for many years. He was an officer for 18 straight years, holding all positions including president and, for over a decade, the key position of secretary. For many years he published summaries of the evening lectures in the newsletter, a reason cited by many as a major benefit of NCGS membership.

Mel Erskine

Mel Erskine had a long career as a well-known Bay Area consulting geologist with interests including mining and petroleum exploration, using all the tools from satellite imagery to geology and geophysics. Author of many papers on the geology of the western U.S., Mel was active in the NCGS for over 3 decades. He was president in 1991-92 and a counselor for many years.

Larry Funkhouser

Larry Funkhouser has been an Honorary Member since 1987 when he was president of the American Association of Petroleum Geologists. He retired that year from Standard Oil Company of California (Chevron) as Vice-president of Exploration and Production and a member of the Board of Directors. He was a geologist’s geologist and never tired of studying the geologic details of proposals despite his many business duties.

Doris Sloan

Doris Sloan, retired adjunct professor at UC Berkeley, became an Honorary Member in 2019 in recognition of her great contributions to Bay Area geology and to students at UC Berkeley. She is the author of the highly popular 2006 book “Geology of the San Francisco Bay Region”, has led field trips around San Francisco and worldwide for many groups for many years, and is an editor for NCGS’s 2020 volume on Mount Diablo.

Ray Sullivan

Ray Sullivan, emeritus professor from San Francisco State University, is a widely acknowledged expert on the stratigraphy of Mount Diablo. He is the main driver and primary editor of the 2020 NCGS volume on Mount Diablo. He has been an active NCGS member for decades and an officer since 1993, including president in 1995 and a valued counselor ever since. He has led many field trips for NCGS and numerous other groups.