Margit Wennmachers

Margit Wennmachers is a venture capitalist at the Silicon Valley venture capital firm Andreessen Horowitz and a co-founder of OutCast Communications (now The OutCast Agency), one of the tech world’s top public relations firms. She is one of a handful of women at high-profile VC firms and among the few VC marketing executives at the partner level. Wennmachers was named to Silicon Valley/San Jose Business Journal's list of 100 Women of Influence for 2012.

Wennmachers joined Andreessen Horowitz in September 2010. She helps identify and evaluate new start-ups for investment potential and advises the firm and its portfolio companies on marketing and branding. The firm’s investments include Twitter, Jawbone, Facebook, Foursquare, Groupon, and Zynga.

Wennmachers entered technology marketing over 20 years ago when she was hired to work in the European office of a Silicon-Valley based start-up. She later moved to San Francisco to join Blanc & Otus, a high-tech communications firm. Wennmachers became a member of the executive management team.

In 1997, Wennmachers co-founded OutCast Communications, now The OutCast Agency, whose clients include Facebook, Autodesk, Amazon, Yahoo!, EMC, Netflix, Cisco, Zimbra and VMware, as well as Andreessen Horowitz. Under Wennmachers’ leadership, OutCast grew from two employees to a multimillion-dollar business. She oversaw client work as well as the firm’s business operations. Wennmachers is currently a non-executive director at Next Fifteen Communications Group plc, the London-based firm that acquired OutCast in 2005. She also serves on the Board of Trustees for the World Affairs Council. Wennmachers has been a speaker at the DLD Conference in 2011 and 2013, Ad: Tech in 2012, Upward in 2014, and The Spark in 2016.

Born and raised in Germany, Wennmachers earned a bachelor's degree in business from the University of Lippstadt, Germany. She has lived and worked in Germany, Spain and the United States and is fluent in English, German, Spanish, and French.