Kassia Yanosek

Kassia is partner in McKinsey’s global energy practice and is based in Houston, Texas. She has almost 25 years of experience in the energy sector, with expertise spanning corporate strategy, structured finance, capital projects, and principal investing. She leads McKinsey’s client service supporting capital enablement for the energy transition.

In 2020, Kassia was honored as one of the 50 most powerful women in oil & gas by the National Diversity Council. She also led McKinsey’s partnership with the World Economic Forum on the Future of Oil & Gas, which convenes industry CEOs to assess the strategic implications of key game changers affecting the energy industry.

Prior to joining McKinsey, Kassia founded Tana Energy Capital, an energy investment and advisory firm, and was a Vice President with Hudson Clean Energy Partners, a renewable energy focused PE firm. Previously, she worked with BP Plc in group strategy, and at Bechtel Enterprises, the project finance arm of Bechtel Corporation, where she structured equity investments in large-scale energy projects. She has testified before the US Congress and published articles in Foreign Affairs and elsewhere on energy topics. In 2005, she served in the White House as an advisor on energy at the National Economic Council.

Kassia has a BA in government from the University of Virginia, MBA from Stanford University, and MPA from the Harvard Kennedy School of Government. She is a Life Member of the Council on Foreign Relations.

Kassia lives in Houston, Texas with her husband and four children.