 Roizen also served as the Public Governor of the Pacific Exchange and on the executive committee of the National Venture Capital Association (NVCA).Roizen entered the venture capital world in 1999, first as a Managing Director of SOFTBANK Venture Capital (which became Mobius Venture Capital), from 1999 to 2007, and then in 2012 she joined global investor Draper Fisher Jurvetson as a venture partner.She also launched her own entrepreneurial venture, SkinnySongs,
In September 2008, the Forum for Women Entrepreneurs and Executives awarded Heidi Roizen their annual Achievement Award.