Sergey Gulev is the head of the Air-Sea Interaction and Climate Lab at the P.P. Shirshov Institute of Oceanology (SIO), Russian Academy of Sciences, and a Professor in Meteorology and Oceanography at the Moscow State University (MSU). Sergey graduated from MSU in 1980 and got his PhD from State Oceanographic Institute in 1985 and his DSci degree from SIO in 1996. In 1992/93 he was a Humboldt Fellow at the Institute fuer Meereskunde in Kiel. He developed global and regional estimates of surface air-sea fluxes, climatologies of ocean wind waves and cyclone activity as well as ocean GCM – based diagnostics of the North Atlantic variability. He is the author of several books and many articles published in peer-reviewed journals. Sergey teaches at graduate and postgraduate levels at MSU and at the Universities of Kiel and Grenoble.