Hans-Otto Pörtner

Hans-Otto Pörtner is a physiologist, marine biologist, senior adviser at the Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research in Bremerhaven (AWI) and appointed member of the German Advisory Council on Global Change (WBGU). He performed research at the AWI for almost 30 years. Hans-Otto was Coordinating Lead Author of Ocean Systems Chapter to the IPCC Fifth Assessment Report, published in 2014, and was elected Co-Chair of Working Group II in 2015. Under his co-leadership Working Group II published the IPCC Special Report on Ocean and the Cryosphere in a Changing Climate in 2019 and its Main Report in 2022. In addition, he co-led the Scientific steering committee for the IPCC-IPBES co-sponsored workshop and report 2021 on “Biodiversity and Climate Change” and was a member of the Scientific Steering Committees of the IPCC-ICOMOS-UNESCO international co-sponsored meeting on Culture, Heritage and Climate Change, held in 2021. Hans-Otto is an elected member of the European Academy of Sciences and was appointed by the German government to its Advisory Council on Global Change in 2020.