Jon launched his career at Amdahl where he served as a senior engineer. He joined Sun Microsystems in 1983 where he worked in managerial positions overseeing product development and strategy in the areas of software development, software engineering technologies and networking. When he left Sun to join MDV in 1991 he was Sun's vice president of networking.

Investments: Acrue Software (ACRU); Brocade Communications (BRCD); Collabra (acquired by Netscape); Epigram (acquired by Broadcom); Foglight Software (acquired by Quest); Ipsilon Networks (acquired by Nokia); Kalpana (acquired by Cisco); ONI Systems (acquired by Ciena); Panasas; Proofpoint; Terraspring (acquired by Sun Microsystems); Zip2 (acquired by Compaq)

Education: Jon holds a bachelor's degree in computer science and mathematics from the University of Colorado.