Board of Directors


Steve Wilson, Chairman

Mr. Wilson is the retired Chairman and CEO of CF Industries Holdings, Inc. He joined CF Industries as Chief Financial Officer in 1991 following a 16 year career with Inland Steel Industries. He became the President and CEO in 2003 and Chairman in 2005 following the company's initial public offering. CF Industries is the world's second largest producer of nitrogen fertilizers. Mr. Wilson, a US citizen, retired from CF Industries in 2014 and currently serves on the boards of Ameren Corporation and GATX Corporation, both based in the United States.


Thomas van Berkel, Vice-Chairman

Mr. van Berkel is the retired President and CEO of Nitrex AG and Nitrex-Complex. He also served as the managing director of EFMA (European Fertiliser Manufacturer’s Association) in Brussels from 1988 until 1995. He studied Economics at the University of Amsterdam and taught at the Institute for Social Sciences in the Netherlands. He joined the Board of KEYTRADE in 2008 after his retirement.


Melih Keyman, Member

Melih Keyman is the original founder of KEYTRADE. Prior to founding KEYTRADE, he held leading positions in ENKA Marketing of Turkey and Transammonia, always working in the fertilizer sector. Mr. Keyman is a member of the Board of Directors of The Fertilizer Institute and a council member of International Fertilizer Association. A native of Turkey and also a citizen of Switzerland, Mr. Keyman has been living in Zurich since 1984.


Peter B. Arnold, Member

Peter B. Arnold, is the founding member of the corporate and commercial Swiss law firm ARNOLD LEGAL LTD with offices in Zurich and Zug. He has dealt with business and commercial law matters on an international scale for over 20 years, and holds memberships as non-executive director in Swiss and foreign enterprises and corporate organisations. His main fields of engagement within the directorship mandates have been coaching, development, structuring and reorganization of start-up, small- and mid-cap companies. Mr. Arnold has an international educational background and graduated from Law School at Zurich University. By profession he qualifies as a registered attorney admitted to the Swiss Bars of Zurich and Zug as well as a commissioned civil law Notary of the Canton of Zug in Switzerland.


Andreas Vaterlaus, Member

Andreas Vaterlaus, a Swiss citizen, joined KEYTRADE in 1997 as one of the four founding partners. Prior to his employment with KEYTRADE, he served in senior positions in the shipping industry and with Transammonia in the fertilizer sector. Mr. Vaterlaus is the Chairman of KEYTRADE AFRICA SA and KEYTRADE IBERIA S.L.