A. John Hass
A. John Hass was elected to serve as a director on the Rosetta Stone Board in November 2014. John is a private investor and advisor to for-profit and nonprofit entities. From September 2012 until November 2014, he was a senior advisor to Osmium Partners, LLC an alternative asset management firm. John was a partner at PEAK6 Investments, L.P., a financial services company, from October 2008 through September 2012 and was the Senior Financial Officer of PEAK6 Investments, L.P. from February 2009 through June 2010. He was the Chief Executive Officer of OptionsHouse, Inc., a brokerage company and subsidiary of PEAK6 Investments, L.P., from October 2006 until September 2008. From 1988 to October 2006, he was employed at Goldman, Sachs & Co., a subsidiary of the financial services company The Goldman Sachs Group, Inc., most recently as a Partner Managing Director in the Investment Banking Division. John serves on the board of Platinum Underwriters Holdings, Ltd. He has also or currently serves on the boards of a number of privately held for-profit businesses. In addition, John is the president of the board of directors of WITNESS, Inc., a global-human rights nonprofit, and serves as a trustee of The Museum of Contemporary Photography.