Theano Liakopoulou is a Partner of McKinsey & Company. She joined McKinsey & Company in 2000, is currently based in Athens, and has been a member of the firm's London Office. Her work focuses on operational transformations, for the Energy sector covering electric power, oil and gas, as well as for other sectors. She has been serving companies in Greece, Western and Eastern Europe.

She is one of the leaders of McKinsey's European Energy and Materials practice and she is leading McKinsey's energy and industrial work in Greece. Her recent work includes developing the Greenhouse Gas Abatement Cost Curve for Greece, as well as developing the report for the growth prospects of the energy sector, as part of the Greece 10 Years Ahead work.

She holds a Diploma in Chemical Engineering from the National Technical University of Athens and an MBA.