Tag Archives: Texas Venture Labs

Mark Castleman, TADHack Mentor

Mark Castleman serves as Entrepreneur in Residence at Bell Labs, the storied, world class research organization of Alcatel-Lucent. Prior to Bell Labs, Mark was Founder and CEO of Vobi, Inc. pioneering contextual collaboration solutions for enterprise. Other roles and startups include Founder and CEO of PBX Central a hosted voice/PBX service provider for enterprise and … Continue reading Mark Castleman, TADHack Mentor