He took up his current position on 1 January 2016. The current directorate covers international and EU climate strategy and economic assessment and evaluation, EU domestic legislative initiatives related to households, land transport, waste, agriculture and forestry, carbon capture, use and storage, financial instruments for EU innovation, monitoring, reporting, and verification.

Since 1 September 2003, he was first Head of Unit, and since 2009 Director focussing on international and domestic climate strategy, international climate change negotiations, climate finance, land use and monitoring and reporting. During this time he was one of the EU lead negotiators, Vice-President of the UNFCCC Bureau in 2010-2012, and also co-chair of the Ad Hoc Working Group on the Durban Platform for Enhanced Action (ADP) in 2013/14 preparing the Paris Agreement.

Before this, he spent two years as Head of Operations in the EC Delegation to Bosnia and Herzegovina in Sarajevo.

From the end of 1997 until 2001, he worked in DG Development and DG Environment in Brussels on a wide range of environmental issues, particularly climate change in developing countries.

He joined the European Commission in 1993, when he was first responsible for the bilateral co-operation covering agricultural policies, rural development and the environment in the EC Delegation in Zimbabwe in Harare.

After his University education, he started his professional career at the University of Göttingen, Germany in 1985. His main scientific and lecturing topics were natural resources economics and development economics, including extensive field research in rural West Africa.

He holds a doctoral degree in agricultural economics.