Our Agents

Gary Clausen

Gary has been in involved in the marine industry for more than 35 years. Born and raised on the California Delta, Gary has spent most of his life working in and around the boating industry including boat yards, marinas, manufacturing facilities, chandleries, and boat & yacht sales. Gary has been a marine insurance agent since 1989. Gary and his business partner Bob Wilkerson opened Twin Rivers Marine Insurance Agency in 1997 and have helped thousands of boaters all over the world with their insurance needs.Gary is a past & current President and of the Board of Directors of the Northern California Marine Association. Gary & the board of directors of the NCMA are currently working closely with the National Marine Manufacturers Association (NMMA) to bring a "World Class" boat show to the San Francisco Bay Area.

Bob Wilkerson

Bob was born and raised in the Northern California Delta area. He has been an avid boater and an outdoorsman all of his life. Bob has a BA in business education from SF State University. He has 18 years in the marine insurance business.

Doug Rader

Doug is a lifelong boater & water skier. He still spends many summer evenings slalom skiing on the Delta behind his Ski Nautique.He has been a commercial and personal marine insurance specialist for over 30 and has worked for and with the top marine insurance agencies and brokerages in California. He was co-founder and co-owner of Tony Rader & Son Insurance Service in the mid 1980’s.Doug enjoys close business relationships with the leading marine insurers in all parts of the country. Quality and value are his main business principles, and personalized, responsive service is his key to success. He is strongly committed to his clients and works closely with them to identify and address solutions to their coverage needs.He is currently or has been a member of many marine industry and insurance industry trade associations including The Association of Marine Underwriters of San Francisco, Marina and Recreation Association, California Association of Harbormasters & Port Captains, Northern California Marine Association and the Delta Chambers of Commerce.

Gary Shively

Gary is the latest addition to our staff. He comes to us after a 30 year career in law enforcement. Gary was born and raised in Antioch and has a bachelor’s degree in management.