"Bubba" Sandford


Mr. Sandford has over 30 years of leadership experience as CEO, President, or General Manager, guiding businesses in various stages, including startups, turnarounds and wind downs.  Most recently Mr. Sandford served as President and CEO of Command Center Inc, a publicly traded national temporary staffing firm with 67 offices in 22 states, where he led the successful turnaround resulting in record metrics in every category especially industry leading gross margins, EBITDA, cash and risk management.  He has led companies in diverse industries, including technology, industrial fabrication, security services, waste management and retail. Prior to Command Center, he served as an independent consultant to Silicon Valley venture capitalists. From 2003-2005, he led the restructuring of The Environmental Trust, a land mitigation organization with 80 holdings, resulting in significant asset protection.  He earned a BA in Psychology from the University of Massachusetts at Amherst.  Mr. Sandford was awarded a full fellowship and earned his MBA from Cornell University while serving as the CEO of Student Agencies, America’s oldest student-run company. He is a former U.S. Navy SEAL.

Marc Umscheid

Chief Operating Officer

Marc Umscheid joined Sonoma in January 2017 as chief strategy and marketing officer. He was formerly a senior marketing director and business development team leader at the Clorox Company. Mr. Umscheid is a graduate of Cornell University where he received both a BS in business management/finance and an MBA from the Johnson Graduate School of Management.

Bruce Thornton

Executive Vice President

Bruce Thornton has served as our vice president of international operations and sales since June 2005. Mr. Thornton served as our general manager for U.S. operations from March 2004 to July 2005. He served as vice president of operations for Jomed (formerly EndoSonic Corp.) from January 1999 to September 2003, and as vice president of manufacturing for Volcano Therapeutics, an international medical device company, following its acquisition of Jomed, until March 2004. Mr. Thornton received a B.S. in aeronautical science from Embry-Riddle Aeronautical University and an M.B.A. from National University.

Robert Northey Ph.D

Director of Research and Development

Robert Northey, Ph.D. has served as our director of research and development since July 2005. Dr. Northey served as a consultant to us from May 2001 to June 2005. From August 1998 until June 2005, he was an assistant professor in the paper science and engineering department at the University of Washington. Dr. Northey received a B.S. in wood and fiber science and a Ph.D. in wood chemistry, each from the University of Washington.