Peter Levine is a general partner at the Silicon Valley venture capital firm Andreessen Horowitz and the former Senior Vice President of Strategy at Citrix Systems. Levine joined Citrix in 2007 through its $500 million acquisition of Xensource, where he served as President and CEO. Levine has taught marketing and sales at the MIT Sloan School of Management and currently teaches at the Stanford Graduate School of Business. He has a B.S.