Heidi Roizen is a venture capitalist, corporate director, and former technology CEO and entrepreneur. Today, Roizen is a partner at Threshold Ventures, where she serves as a board member for portfolio company Upside Foods and hosts Threshold’s popular podcast series, The Startup Solution. She is currently also an independent corporate director for public company Planet Labs PBC (NYSE:PL). Roizen is an adjunct lecturer at Stanford University and leads Stanford’s Threshold Venture Fellows program in the management science and engineering department. At Stanford, Roizen also serves on the advisory councils of the Stanford Institute for Human-Centered Artificial Intelligence and Stanford Technology Ventures Program. She started her career as co-founder of software company T/Maker and served as its CEO for over a dozen years until its acquisition by Deluxe Corp. After a year as vice president of worldwide developer relations at Apple Inc., Roizen then became a venture capitalist in 1999. She has undergraduate and master of business administration degrees from Stanford and is the proud mother of two children and two rescue dogs.