United States of America
Who We Are

North American Crop Science Leadership Team

Leadership That Stands the Test of Time

Experience means everything when it comes to farming, and much like our crops, it can’t be grown overnight. The Bayer leadership team carries decades upon decades of ag-industry experience, giving us the expertise we need to deliver the best farming solutions out there. Get to know our leadership below. 

Brian Naber
Brian Naber
President, Crop Science North America & Australia/ New Zealand Region
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Antoine Bernet Headshot
Antoine Bernet
Head of Canada Crop Science
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Ildem Bozkurt
Ildem Bozkurt
Head of US Strategic Accounts and Licensing
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Sara Brunnquell
Sara Brunnquell
Head of Finance
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A man in a suit and tie smiling for the camera.
John Chambers
Head of North America Regional Market Development
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Kelly Fleming, NA DFS Incubator and Global OBM Lead
Kelly Fleming
Head of DFS Incubator and Global Outcome Based Model Lead
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Lisa Flynn
Head of North American Transformation, Change, and Culture
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Jim Guard
Jim Guard
Head of Global Lawn and Garden
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Peter Happe
Peter Happe
Head of Process Transformation
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Ben Kampelman Head Shot
Ben Kampelman
Head of North America Communications
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Tom Marvin
Head of North America Regulatory Science
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Brandon Rinkenberger
Brandon Rinkenberger
Head of Global Customer Experience and Enablement, Digital Farming Solutions
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Curtis Scherder
Curtis Scherder
Head of North America DT/IT
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Gwyn Schramm
Head of North America Human Resources
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Duane Simpson Headshot
Duane Simpson
Head of North America Public Affairs, Science and Sustainability
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Stacey Stater
VP & Associate General Counsel Global Seeds & Traits
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Learn More About Our Global and Country Leadership
Board of Management
U.S. Country Leadership
Global Crop Science Leadership