Denis joined Sienna Capital in 2018 as the Chief Investment Officer and is based in London
Before joining Sienna Capital Denis previously was the CIO of a family office that he joined in 2011. He started his career at Banc of America Securities where he was an analyst for 2 years, before joining as an associate at Natural Gas Partners, a private equity fund based in Texas and founded by Ken Hersh focusing on the energy sector. He also was a partner from 2004 to 2013 at a hedge fund focused on Global Emerging Markets.
Denis holds a BA from Southern Methodist University and an MBA from the Stanford University Graduate School of Business.