Walter joined Summit Partners in 1989. Over a 30-year venture capital career, he has served as a director of over 50 companies, including many public companies.
Walter has invested in several industry-defining companies, notably E-TEK Dynamics (NASDAQ: ETEK, later merged with JDS Uniphase in a transaction valued at over $18 billion), an early leader in optical networking; as the initial investor in McAfee (NYSE: MFE, later acquired by Intel), an anti-virus and network security firm and one of the pioneering companies using the Internet business model for distributing software; and HMT Technology (NASDAQ: HMTT, later acquired by Komag) and Diamond Multimedia Systems (NASDAQ: DIMD, later acquired by SONICblue), both early technology buyout and recapitalization transactions in Silicon Valley. Other notable technology investments include AltoCom (acquired by Broadcom), Finisar (NASDAQ: FNSR), NetCom Systems (acquired by Bowthorpe), and Xylan (NASDAQ: XYLN, later acquired by Alcatel). He is currently an active private investor and advisor to a number of promising start-up technology companies.
Prior to Summit, Walter was a Vice President and Associate at Crosspoint Venture Partners and a software engineer in the computer graphics field. He received a BS in engineering, with Honors, from Oregon State University, an MS in engineering from Caltech, and an MBA from UCLA.
Walter has consistently appeared on the Forbes Midas List and is a member of the Board of Trustees at Caltech. He is a founder and advisory board member of the Kortschak Center for Learning and Creativity at the University of Southern California and a past director of the National Venture Capital Association.