Areas of focus:

Evolutionary biology

Ecology

Theoretical biology (ecology and evolution)

Statistical modelling of time-space data (specifically time-series data) 

Effects of climate variation on ecological and evolutionary processes

Disease modelling of plague (past and present), dengue, hanta and COVID-19

Positions Held includes

2018- ，Professor & Strategic Advisor, Faculty of Mathematics and Natural Sciences, Univ. of Oslo

2015- ，Professor of Marine Biology, University of Agder, Kristiansand, Norway

2007-2018, Founding Chair of the Centre for Ecological and Evolutionary Synthesis (CEES), Univ. of Oslo

2004-  , Professor of Ecology and Evolution, University of Oslo

1990-2003, Professor of Zoology, University of Oslo

1980-1989, Professor of Population Dynamics, University of Oslo (until 1985 as Assoc. Prof)

1979-1982, Associate Professor of Ecology, University of Lund, Sweden

1975-1978, Research Associate, University of Oslo

Scientific Roles and Responsibilities includes  Science Ambassador of the Alliance of International Science Organizations-ANSO (since 2021)  Advisor to the Eötvös Loránd Research Network of the Hungarian Academy of Sciences (since 2019)  Lead author of the Sixth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC), Working Group II, Chapter 1 (2018-2022)  Advisor to the Dean of Mathematics and Natural Science at the University of Oslo (since 2018)  Chair, Milner Centre for Evolution Advisory Bord, University of Bath, UK (since 2017)  Member of the Scientific Council of the European Research Council (ERC) (2014–17)  Scientific Advisor to the National Center for Disease Control and Public Health, Georgia (since 2014)  Founding Chair, Centre for Ecological and Evolutionary Synthesis, (www.mn.uio.no/cees/english) University of Oslo (CEES was awarded status as national Centre of Excellence (CoE) 2007–2017 by the Research Council of Norway) 2  Founding Chair of NCoE NorMER (www.normer.org): a Nordic centre for research on marine ecosystems and resources under climate change  Founding Chair of EcoClim-NCoE: a Nordic centre for the study of the dynamics of ecological systems under the influence of climatic variation (Universities of Oslo, Lund and Helsinki)  PI of SUSTAIN (Sustainable management of renewable resources in a changing environment); (www.sustain.uio.no)  Mentorship: Trained 50+ PhDs and 65+ postdocs, many of which have become very successful scientists  Creation of effective networks for young researchers such as CEES, NorMER (Nordic Centre for Research on Marine Ecosystems & Resources under Climate Change) and SUSTAIN (Sustainable management of renewable resources in a changing environment)  Key roles in international scientific organisations: (1) President of the Fourth European Mammal Congress (1999-2003); (2) President of the International Theriological/Mammalogical Congresses (ITC/IMC) (1997-2006); (3) Member of the Executive Committee of International Union of Biology Science, IUBS (since 2007, president 2012–14) and (4) Member of the board of “The Sven Lovén Centre of Marine Sciences”, Gothenburg University (2008-2015).  Editorial work for several journals, including: Associated Editor/Editor of Proceedings of the Royal Society of London; Series B (UK; 2005-2008; Editor-in-Chief of Climate Research (Germany; since 2005); and Editorial Board Member of Proceedings of the National Academy of Science (since 2017).  Founding Director of Centre for Development and the Environment (SUM) (www.sum.uio.no/english) at the University of Oslo