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executive board



Robert Haßler, born in 1965, has been working since 1993 in the fields of Sustainability Rating. He is Chief Executive Officer and co-founder of oekom research AG, the Munich-based Sustainability Rating agency providing research to a wide range of institutional investors and asset managers. He graduated in business administration at the Ludwig-Maximilian University in Munich after a two year vocational training in an auditing company. After a six months engagement in the department of Environmental Economics at the ifo-Institute, one of the most prominent economic research institutes in Germany, he joined oekom publishing house as co-founder and head of environmental research in 1992. One year later he started oekom’s rating activities by winning an international tender. He was managing director of oekom publishing house from 1997 to 1999. In 1999 the sustainability research division of oekom publishing house was transferred into the newly founded oekom research AG. Robert is also co-founder of several associations, such as the Corporate Responsibility Interface Center (CRIC e.V.) and Forum Nachhaltige Geldanlagen e.V. (German Social Investment Forum) of which he had been member of the executive board from 2001 until 2016.


Matthias Bönning, born in 1972. Training as a banker at Bank Sal. Oppenheim jr. & Cie., Cologne. University degree in business administration at University in Cologne. Studies abroad at Western State College of Colorado. Scholar of the German National Academic Foundation. From 1998 to 2000 analyst at oekom research AG with main focus on the financial sector. From 2001 until 2016 Head of Research. Member of the Executive Board of oekom research AG since 2003. Since 2004, Matthias Bönning is a visiting lecturer at various universities and other educational institutions.

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