Our Team
We are entrepreneurs, data scientists, mathematicians, and operators.
Operating Partner
Ann Ruble
Ann joined Two Sigma Ventures as an Operating Partner in January of 2017 to provide consulting and coaching to the fund’s diverse set of portfolio companies and leadership teams. She is also helping build strategies for talent sourcing, talent management, learning and leadership development, and people/culture analytics to design and deliver a diverse and scalable set of people and culture offerings to our portfolio companies. Ann is passionate about helping entrepreneurs build wildly successful companies that balance financial and cultural health.
Before joining Two Sigma Ventures, Ann served as Managing Director and the founding Head of HR at Two Sigma Investments. Over more than 15 years, she helped TSI grow from 3 to more than 1,100 employees, with record successes in employee hiring and retention, leaving an indelible imprint on Two Sigma’s culture. Previously, Ann worked at D. E. Shaw & Co., where she rose through the ranks to the position of senior vice president and head of HR. She has a BA in psychology from Dartmouth College and a Master’s degree in counseling from New York University.
Ann lives in Brooklyn with her husband, two children, and one dog.
