In July 2005, Neill was one of the co-founders of Footprint Ventures – Bangalore, India. And in 1973, he co-founded Bessemer Venture Partners which has become one of the premier venture firms in Silicon Valley. In 1996, Neill was also a co-founder of Novak Biddle Venture Fund.
In his thirty-five + year venture capital career, Neill has specialized in starting companies charting new markets and new technologies including Telenet Communications Corporation, the first worldwide packet-switched data transmission service; VMX, Inc, the inventor of voice mail; Gartner Group, the leading provider of strategic information services to the IS market; Ungermann-Bass, Inc. the first commercial implementer of local area networks; Maxim Integrated Products, the worldwide leader in design, development, and manufacture of CMOS linear and mixed-signal integrated circuits; Mosel-Vitelic, Inc, the early leader in fast CMOS memory chip technology; Veritas Software, the leader in enterprise storage management and high availability software products that manage data for business-critical computing systems; and DSP Communications Corporation, the leading provider of digital signal processing chipsets to the cellular phone market.
He currently serves on the boards of VYYO, Inc. and Club One.
Neill & his wife, Linda Snyder Brownstein, live in Palo Alto, California.