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Jeff is the Managing Partner of Bertram Capital, overseeing all aspects of Bertram’s investment strategy, execution and administration.
Jeff was previously a co-founder and Managing Director of Sierra Ventures, a Silicon Valley venture capital firm with $1.5 billion under management. Prior to Sierra, Jeff served in a variety of operations and R&D management positions at both AT&T and Bell Laboratories.
Jeff has served as a Director of Centex Telemanagement (CNTX - acquired by MFS), Stratacom (STRM - acquired by Cisco), On Assignment (ASGN), Micromuse (MUSE - acquired by IBM), ConvergeNet (acquired by Dell), Combinet (acquired by Cisco), Quinta (acquired by Seagate), Vertel (VRTL), ParAcer (acquired by Stratos Lightwave), FrontBridge (acquired by MicroSoft), Sychip (acquired by Murata), Micro Power (acquired by Westin Presidio), American Fiber Systems (acquired by Vayo), Valere Power (acquired by Eltek - ELTK.NO), Theravance (THRX), Digital Generation Systems (DGIT), Power Distribution, Inc. (acquired by Smiths Group LTD), Extrusion Dies, Inc. (acquired by Nordson Corporation), and Author Solutions Inc. (acquired by Pearson plc), Paula's Choice (majority recap to TA Associates), One Distribution (sold to K-Swiss)
Jeff currently serves as a Director of Spireon (fleet management), Maxcess (manufacturing), Clarus Glassboards (Architectural Glass), Rowmark (Plastics), ECS (E-Commerce - European auto parts) and Creative Drive (E-Commerce Content Management).