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Our Team

These are the major members of the Cronus team

Melih Keyman


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. Mr. Keyman is the first international trustee of Northwestern University's Board of Trustees since 2011. A citizen of Switzerland, Mr. Keyman has been living in Zurich since 1984.

Erzin Atac


Erzin Atac is a Swiss citizen and has over thirty years of experience in sourcing and marketing fertilizers in international markets and in the United States. From 1985 to 2003 he worked at the Swiss office of Transammonia Inc., one of the largest private firms in the U.S. From 1997 to 2007 he served as CEO of Transammonia‘s Fertilizers division, spending the last four years heading their office in Tampa, FL. In 2008, Erzin formed a marketing company, Acta Fertilizers, which he managed until 2012, at which time he started developing Project Cronus. Erzin received his BS degree from Clemson University and his graduate business degree from Drexel University.

Seref Surmen


Seref Surmen is a Turkish citizen and has over a decade of managerial and operational experience in a variety of industrial operations, including Port Management, Hydro Electric power generation and Chemical Fertilizers. He has served as a managing partner with direct responsibility for investments, port management and project development in Nokta Yatirim Holdings of Istanbul, where he currently serves as the Managing Partner and majority owner. He has been a sponsor in Project Cronus since its inception. Seref received a degree in business management from European University in Geneva, Switzerland in 2001.

Fred Gill


Donald (Fred) Gill has over 40 years of experience in the nitrogen fertilizer industry. He graduated with a BS in Chemical Engineering from the University of Nebraska in 1971 and has held operations, engineering and management positions with Farmland Industries and Allied Chemical before participating in the leveraged buyout from Allied Chemical that created the Arcadian Corporation in 1983. In 1990 he joined Saskferco, a joint venture between Cargill and The Province of Saskatchewan, as commissioning manager, then VP of Manufacturing, to build the largest ammonia/urea plant in the world at that time. In 1999 he became President and CEO until his retirement in 2009 after Saskferco was sold to Yara International.

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