Officers / Board Of Directors


Bill Martin, President, CaliforniaGeo          Based in:   Quincy, California    Affiliation:   MartinEnergetics

Bill Martin self-studied residential energy conservation and built his first heat pump-equipped home in the mid-70s.  By 1980, he had promoted energy conservation for two years in Plumas, Lassen, and Sierra counties on a grant from the California Energy Commission and four regional electric utilities.  He was certified by the California Energy Commission in 1981 to train energy auditors and began selling and installing solar thermal systems.  He developed related course offerings at Feather River College and trained contractors in Title-24 content, statewide.  Efficiency in residential energy design is his passion; ground source heat pumps are his favorite technology, and his current house was built based on both.  He is an IGSHPA-Certified Ground Source Heat Pump Installer.  Bill joined the CaliforniaGeo Board in 2013 and his current term will end on 12/31/24.


Tim Wright, Vice President, CaliforniaGeo     Based in:  Ringgold, Georgia     Affiliation:  Enertech Global LLC

Tim Wright is the Chief Strategy Officer at Enertech Global. With over 30 years of management and energy efficiency experience, Tim oversees all customer facing departments at Enertech. He serves on the board of directors for California Geothermal Heat Pump Association, Vice Chairman of the International Ground Source Heat Pump Association, and the Virginia Geothermal Heat Pump Association. Tim is passionate about customer interaction and building new relationships in the industry. Tim is active in his local community, and he and his wife enjoy time with their two daughters, a son-in-law, and their first grandson.  Tim joined the CaliforniaGeo Board in 2014 and his current term will end on 12/31/23.

Joe Parsons

Joe Parsons, Treasurer, CaliforniaGeo                     Based in:  Oklahoma City, Oklahoma     Affiliation: ClimateMaster Inc.

Joe serves in the sales division of ClimateMaster’s headquarters in Oklahoma City.  Prior, he served as chief operating officer of EarthLinked Technologies from 1996 to 2017 and was responsible for product development, training programs, standards compliance and authorized dealer relationships.  He has 32 years of experience in the heating and cooling industry, and was a member of the Geothermal Exchange Organization’s (GEO) board of directors. He is also a member of ASHRAE and a Corresponding Member of TC 6.8 (Geothermal Heat Pump and Energy Recovery Applications).  Joe is also the Project Committee Chairman for Standard 194.   He also is involved with the development of the DX Manufacturers Industry Organization.  Joe joined the CaliforniaGeo Board in 2014 and his current term will end on 12/31/24.


Kevin Oxley, Board Secretary, CaliforniaGeo    Based in:  Etna, CA    Affiliation:  WaterFurnace International

Kevin Oxley serves as Territory Manager for California/Oregon/Idaho and Nevada territories of WaterFurnace International.  He currently works with over 50 WaterFurnace dealers throughout his territory.  Prior to working for WaterFurnace Kevin was a Sales and Design Manager with a few Geothermal contractors in the Portland, Oregon area, installing his first Geothermal Heat Pump in 2004.  Kevin has always been in the energy business, since graduating in 1982 were he began in the Liquefied Petroleum Gas Industry and worked throughout the Northwest for 15 years, before joining a Heating and Cooling distributor in 1998 located in Portland, Oregon.  Kevin joined the CaliforniaGeo Board in 2015 and his current term will end on 12/31/22.




Todd Bradford, Director, CaliforniaGeo                        Based in:  San Ramon, California   Affiliation:  ENGEO

Todd joined ENGEO after graduation from the University of California, Berkeley with a Master of Science in Geotechnical Engineering. His experience in designing and managing includes multi-use urban infill projects, high-rise buildings, excavation shoring, shoreline re-development, and brownfield redevelopment projects. His work on various projects includes geotechnical explorations, liquefaction analysis, consolidation settlement analysis and surcharging, site-specific seismic response, seismic shoreline stability and retrofit, temporary shoring, and static and seismic slope stability analysis. Todd is actively involved with ENGEO’s work on Ground Heat Exchange projects, providing a green alternative to traditional heating and cooling technology. He consults with building owners, residential and commercial developers, campus planners in higher education and healthcare, and other potential users interested in integrating geothermal for their projects. Todd joined the CaliforniaGeo Board in 2017 and his current term will end on 12/31/22.

Terry ProfferTerry Proffer, Director, CaliforniaGeo          Based in:  Wheat Ridge, Colorado     Affiliation:  Major Geothermal

Major Geothermal (MG), formed in 2001, is a specialized ground source heat pump system design, forensics and controls firm, based in Wheat Ridge, Colorado (Denver area).  Our key personnel have over 160 cumulative years of mechanical experience.  Terry diagnoses and specifies repairs to commercial geo systems and often serves as a third party design review and construction oversight professional.  He was the first person we’ve heard describe his job as “geo janitorial,” where his expertise fixes problems in geo systems and controls for the benefit of customers.  MG designs and consults on projects nationally and worldwide.  Commercial projects includes government, institutional and private facilities, from small specialized applications of less than 1,000 ft², to multipurpose facility projects of over 500,000 ft².  Terry joined the CaliforniaGeo Board in 2016 and his current term will end on 12/31/23.


Terry Shewchuk, Director, CaliforniaGeo              Based in:  Palo Alto, California     Affiliation:  Pitcher Services, LLC

Terry Shewchuk serves as the Operations Manager for Pitcher Services, LLC, where he has been employed since 2001.  Pitcher originated in 1933 and invented the Pitcher Barrel, which is used in the geotechnical industry throughout the world.  Pitcher Drilling transitioned into the geotech industry in the 60’s.  Pitcher Drilling was purchased by John Gregg in 2001. With John’s help the drill fleet has been re-tooled allowing Pitcher to provide clients multiple sampling or testing methods including geothermal loop installations.  From the company’s headquarters in East Palo Alto, Terry manages the logistics and scheduling for a drilling fleet of six truck mount and two track mount drills with a full complement of support trucks.  He is responsible for the day to day operations of 20 office and field staff.  Terry joined the CaliforniaGeo Board in 2013 and his current term will end on 12/31/23.


Mark Metzner, Director, CaliforniaGeo                Based in:  Surrey, BC, Canada     Affiliation:  Green Storm GeoExchange Consulting

Mark joined the CaliforniaGeo Board in 2022 and his current term will end on 12/31/24.



Cary Smith, Director, CaliforniaGeo                     Based in:  South Jordan, Utah     Affiliation:  The Grey Edge Group

Cary replaced former VP Susan Nichol for the last year of her term on the CaliforniaGeo Board in 2022.  That term ends 12/31/22.