Geoffrey Barker

Tyfone, Inc. provides cyber and mobile secure identity and secure transaction solutions. It offers solutions to the government, business-to-business, and healthcare sectors. The firm's mobile applications, transaction software and Connected Smart Card (CSC) security hardware enables identity and transaction security on any mobile operating system or device. The company was founded by Siva G. Narendra, Thomas N. Spitzer and Prabhakar Tadepalli in 2004 and is headquartered in Portland, OR.

Piper Sandler & Co. operates as an investment company, which engages in the provision of securities brokerage and investment banking services. The company is headquartered in Minneapolis, MN.

RPX Corp. provides new patent acquisition services. The firm offers patent risk solutions, defensive buying, acquisition syndication, patent intelligence, and advisory services. It operates through the RPX: Patent Risk Management and Inventus: Legal Discovery Management. The RPX: Patent Risk Management segment is involved in the solutions that rationalize and lower the costs of patent licensing by reducing the unnecessary legal costs associated with infringement litigation brought by NPEs. The Inventus: Legal Discovery Management segment focuses on intelligent document analysis, hosting and managed review to its clients for litigation and investigations. Inventus serves industries across the board from Financial Services, Energy, Healthcare, Retail, Aerospace and Defense, and Technology. The company was founded by John A. Amster, Geoffrey T. Barker, and Eran Zur on July 15, 2008 and is headquartered in San Francisco, CA.

Kidder, Peabody & Co., Inc. provides security brokerage services. The private company is based in Buffalo, NY and has subsidiaries in Switzerland. The company was founded by Thomas W. Ostrander.

Intellectual Ventures Management LLC (Intellectual Ventures) is a venture capital firm founded in 2000 by Nathan Myhrvold, Edward Jung, Peter N Detkin and Greg Gorder. The firm is headquartered in Bellevue, Washington..

Vigilos, Inc. provides enterprise security management software. It serves the manufacturing, health care, retail, and financial sectors. The company was founded by Geoffrey Barker in March 2000 and is located in Seattle, WA.