Ron Suess has been involved with The Geysers for more than 40 years. He began his career at The Geysers shortly after PG&E Unit 1 was completed. Ron began his career at The Geysers as a Marine Biologist assigned to do fish studies in Big Sulphur Creek. Nevertheless, his initial task at The Geysers required him to perform the very first mass balances on PG&E Units 1 and 2.

Ron is a staunch advocate for geothermal energy in general and especially the geothermal industry at The Geysers. He has advocated on behalf of The Geysers in Washington D.C. and Sacramento.

Ron continues to provide multi-faceted services to The Geysers and other clients with his consultant company, RES Co. Ron is a co-owner of the Bottle Rock Power Corporation that intends to operate its Bottle Rock Power Plant located at The Geysers. Ron has a broad-based technical education as well as a master's degree in theology and a Juris Doctor degree in Law. He looks forward to engaging in ongoing service for the benefit of the geothermal industry at The Geysers.

Ralph Aviles previously worked on and off-shore California in the oil industry for both Unocal Corp. and Chevron U.S.A. He worked for Unocal in the production engineering department in Santa Rosa supporting Geysers field operations and held various assignments.

In 1996 he relocated his office to the Geysers working as a supervisor for the production engineering, new construction and non-destructive testing department. In 1999 after the Calpine acquisition of Unocal's interests in the steam field, Ralph joined Calpine's Geysers operations as a power marketing analyst and is currently employed as a financial analyst at the Geysers. Ralph was the GGA's finance officer from April of 1995 until June 2012.

Danielle Matthews Seperas joined Calpine's Geysers team in 1998.  Danielle oversees Calpine's Geysers outreach efforts, interacting with local community and working with local government on energy and related issues.  Her responsibilities include expanding geothermal energy education in the community, promoting The Geysers through community tours and overseeing Calpine's Visitors Center operations.

Danielle holds a Bachelor of Science degree in History and Government, a Master's degree in Public Administration.

Marilyn Sanborn's introduction to geothermal energy came in 1979, when she hired on at (then) Union Oil Company. She assisted with drafting in the engineering drafting department. In 1985 she accepted an offer from Harry Bain to become editor of the brand new GGA newsletter, The Geysers Steamline, which helped her launch her home graphics business, Windsong Designs. Marilyn worked at Unocal until 1987. Then again for a over the years as a temp worker as needed.

Along with being editor, Marilyn served on the GGA membership chairman and was a member of the board. She published The Geysers "Steamline" for 16 years, handing it over to Kathy Enedy in the summer of 2001. Now, she will again continue on as virtual editor of the "Steamline", thanks to the Internet, and resume responsibilites of Membership Chair. She and her husband, Eric are making their home in Oak Run, 27 miles east of Redding.

Louis Capuano III was born in Santa Rosa California.  He has been around The Geysers and geothermal drilling rigs his whole life, thanks to his father Louis Capuano Jr.   Louis III graduated from Cardinal Newman H.S. in 2000 then moved to Louisiana where he attended Louisiana State University.  After graduating with a B.S. in Petroleum Engineering, Louis was offered several opportunities with major oilfield service companies.  Though those opportunities were enticing, he wanted to work alongside his father as a Drilling Engineer at ThermaSource where he oversaw drilling operations, designed well programs and performed project management at the growing geothermal drilling firm.

He looks forward to a long career in the ever growing market of Geothermal Energy. Louis is currently working with Capuano Enginering Consultants

Nick Voegtly has been consulting since 1999 with geothermal, construction, commercial and government clients helping to build safer and more complaint workplaces. He previously worked for Unocal at The Geysers for 20 years and also was a member of the Corporate Emergency Response Strike Team. Prior to Unocal he worked for USGS performing geothermal reconnaissance studies in the Western U.S.

Mr. Voegtly has a BS in geology from the University of Oregon. He has strongly supported the geothermal industry throughout his career.

Paul Brophy

EGS, Inc.

Waterfall Towers
Suite A112
2455 Bennett Valley Rd
Santa Rosa, CA 95404
707.595.8760

Steve Burden,

Calpine Corporation
10350 Socrates Mine Rd.
Middletown, CA 95461

Boyd Green grew up in Nebraska where he was introduced to the energy business by uncles. He attended Iowa University studying Geology for three years before he went into the US Air Force for four years. After he left the Air Force, he finished his schooling at Colorado State Teacher's College in Greeley, Co. He worked his way through school by working on oil rigs. After graduation, he worked in off shore oil drilling in Taiwan. After 4 years overseas, he returned to the US and attended the Dresser Industries Mud School studying Leadership training and Drilling Engineering.

He then went to work for Macgabar and in 1980 he became the manager of Dresser Industries Macgobar operation in The Geysers from 1980 to 1992 Boyd is past president of the GGA from 1990-91 and a current (2004) member of the Board of Directors, as well as a current member of the Geothermal Resources Council. He is presently Geothermal Project Manager for MISWACO (MISWACO is the new name for M-I Drilling Fluids).

Cheri has been involved with the Geysers since 2000. Cheri is currently the Operations & Maintenance Manager at Bottle Rock Power.  Ms. Kendrick specializes in Air Quality, Resource Management, Chemistry, and Plant Operations and Maintenance. Before joining Bottle Rock, Ms. Kendrick worked at the Lake County Air Quality Management District as the Senior Air Quality Engineer. 

Prior to that position, she served as an Air Quality Specialist at the Mendocino Air Quality Management District.  Ms. Kendrick has twelve years of experience in the geothermal power plant industry, beginning with positions at Calpine Corporation as a Compliance Chemist and Power Plant Operator.

Ms. Kendrick holds a Bachelors of Science in Biochemistry from the University of California Davis, is a Certified Water Treatment Operator, and has received extensive training with several certifications from the California Air Resources Board.