Sig is Managing Partner of Mosley Ventures, a venture fund that invests in early-stage, Southeast-based technology startups. Widely regarded as the “Godfather of Angel Investing,” a title he earned as president of Imlay Investments, Sig has been one of the most prolific investors in the Southeast since 1990. He has invested in 120 startups with 82 liquidity events and is the current record holder of the largest Southeast venture deal with Ariba’s $5.7 billion acquisition of Tradex.
Early in career, Sig was a staff accountant at Peat, Marwick & Mitchell as a staff accountant. He then joined Management Science America as a staff accountant and served as secretary-treasurer, before being named vice president.
Sig currently serves on the boards of 16 private companies.
In addition, he is a director of the Imlay Foundation, Techbridge, and Entrepreneurs Foundation of the Southeast. He also is a director of GATV, the CEO Council, TiE-Atlanta, and the Technology Association of Georgia. He also serves on the advisory board of Georgia Tech’s Advanced Technology Development Center, the investment committee of Gray Ghost DOEN Social Ventures Coöper, and the Georgia Research Alliance Venture Fund Board. He is managing member of Flashpoint Investors, LLC.
Sig has received numerous awards and accolades for his contributions including being inducted into Georgia Technology Hall of Fame in 2007, getting the Lifetime Achievement award from TiE is 2011, and being named the 2012 Speaker of the Year award by the Emory Pelham Education Foundation. He is a member of the Invest Georgia Roundtable, a joint venture capital initiative comprised of Georgia House, Senate, and private industry leaders
He received his bachelor’s degree in business administration from Emory University.