About Jemco Seal
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Our History
Principal's Bios

Gary Mansdorfer has extensive experience with starting and operating small businesses. He is a co-founder of the following businesses: Jemco Seal Corporation, Rangeview Tech Center, LLC, Eclipse Engineering, Inc., Air Squared Manufacturing, Inc. and Online Solutions Corporation. He successfully managed Jemco Seal Corporation, an industrial products distribution and manufacturing company as a profitable business for 16 years before selling it to Flowserve Corporation in 2006. He co-managed Eclipse Engineering, a Teflon Seal manufacturer for 6 years before selling his interest in 2007. Prior to this period as an entrepreneur, Gary worked as an Engineer for Rockwell International, as a Project Manager and Engineering Manager for Mark Controls Corporation in both the US and Brazil, and in Sales and Marketing for Durametallic Corporation. He has a BS in Mechanical Engineering from Purdue University and an MBA from Pepperdine University.

Gary is currently volunteering as Executive Director of Making A Difference Ministries, a non-profit that helps create educational opportunities for children in Colorado and Brazil. He also owns and operates Rangeview Tech Center, a commercial real estate company and consults for several large and small business on sales and management issues. He has volunteered extensively over the years as a youth leader at Boulder Valley Christian Church and has been very involved with the Boulder Shelter for the homeless. He lives with his wife and daughter in Louisville, CO.

Ken Jump (Bio forethcoming.)