IR-4 Regional Field Coordinators

Western Region also includes:
American Samoa, Federated States of Micronesia, Guam and Northern Marianas

Southern Region also includes:
Puerto Rico

Southern Region

View the new Southern Region one-pager.

University of Florida
P.O. Box 110720
1642 SW 23rd Dr. Bldg. 685
Gainesville, FL 32611-0720


Regional Field Coordinator (Interim)
Kristen Searer-Jones
Phone: (352) 294-3979

Northeast Region

View the new Northeast Region one-pager.

University of Maryland
Lower Eastern Shore Research & Education Center
27664 Nanticoke Rd
Salisbury, MD 21801


Regional Field Coordinator
Marylee Ross
Phone: (410) 742-8788 ext. 310
Fax: (410) 742-1922


Assistant Regional Field Coordinator
Megan James Hickman
Phone: (410) 742-8788 ext. 317

Western Region

View the new Western Region one-pager.

University of California, Davis
One Shields Avenue
Meyer Hall Room 4218
Davis, CA 95616


Regional Field Coordinator
Kari Arnold
Office Phone: (530) 752-7634
Kari’s Cell: (530) 574-9181


Assistant Regional Field Coordinator
Mika Tolson
Phone: (530) 752-7635
Fax: (530) 752-2866

North Central Region

View the new North Central Region one-pager.

Michigan State University
Plant and Soil Sciences Building, Room A448
1066 Bogue St.
East Lansing, MI 48824


Regional Field Coordinator
Nicole Soldan
Cell: (517) 712-8441
Office: (517) 353-0416


US Vegetable Laboratory
2700 Savannah Highway
Charleston, SC 29414


Regional Field Coordinator
Alvin Simmons
Phone: (843) 402-5307
Fax: (843) 573-4715

The IR-4 Project's Regional Field Coordinator team gathers at IR-4 headquarters on NC State's Centennial Campus during the 2022 National Research Planning Meeting.