Tim Dumke began his professional career in engineering, where he designed medical devices such as the bone densitometer, external heart pacer for use in the operating room, and nuclear analyzers. His experience in engineering, industrial design, logistics, costing, quality, documentation systems, and operations was a solid base for his career change into finance. Tim has worked in finance for 17 years, holding various finance positions in Fortune 500 companies such as LSI Logic and start-up ventures including Palm Computing. Most recently he was CFO of Tonbu, Inc.