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ARA Board of Directors

ARA Board of Directors

The ARA board of directors holds the ultimate governing authority and responsibility of the association. The board is composed of retailer representatives from five geographical regions (Northeast, Southeast, Midwest, Great Plains and West) and industry supplier representatives from all areas of the agricultural retail sector (crop protection and seed, fertilizer, equipment, technology, and other services).

ARA Executive Committee

Rod Wells headshot

Rod Wells (Chair)


Ian McGregor headshot

Ian McGregor (Vice Chair)

The McGregor Company

Troy Johnson headshot

Troy Johnson (Immediate Past Chair)


Amy Asmus

Amy Asmus

Asmus Farm Supply

Christina Coen

Christina Coen

FMC Agricultural Products

Ken Lehman headshot

Ken Lehman

Case IH

Tracy Linbo

Tracy Linbo

Agtegra Cooperative

Brooke McMullin headshot

Brooke McMullin

International Raw Materials

Jean Payne headshot

Jean Payne

Illinois Fertilizer and Chemical Association

Gary Vogen headshot

Gary Vogen

Yara North America

Daren Coppock

Daren Coppock

Agricultural Retailers Association

ARA Region Map

Current board members listed by region & category:

Northeast (Region 1)

  • Paul Nelson, Carolina Eastern Vail, Inc. in Salem, N.Y.
  • Steve Patterson, Southern States Co-op, in Richmond, Va.

Southeast (Region 2)

  • Jason White, Pinnacle Agriculture Holdings, LLC, in Memphis, Tenn.
  • Griffin Evans, R. W. Griffin Feed Seed & Fertilizer, in Douglas, Ga.
  • Alec Sheffer, Agri-AFC, LLC, in Montgomery, Ala.
  • Jeff Tarsi, Nutrien Ag Solutions, in Collierville, Tenn.
  • Dave Thomas, Helena Agri-Enterprises, in Collierville, Tenn.
  • Tim Witcher, GreenPoint Ag, in Memphis, Tenn.

Midwest (Region 3)

  • Amy Asmus, Asmus Farm Supply, in Rake, Iowa
  • Barry Day, Superior Ag, in Huntingburg, Ind.
  • Terry Herzig, CHS, Inc., in Inver Grove Heights, Minn.
  • Blake Gates, Morral Companies, in Morral, Ohio.
  • Scott Schertz, Schertz Aerial Service, in Hudson, Ill.
  • Brad Stedman, Winfield Solutions, in Shoreview, Minn.
  • Rod Wells (Chair), GROWMARK, in Bloomington, Ill.

Plains (Region 4)

  • Dawn Caldwell, Aurora Cooperative, in Aurora, Neb.
  • Tracy Linbo, Agtegra Cooperative, in Aberdeen, S.D.
  • Dave Spears, Mid-Kansas Cooperative Association, in Moundridge, Kan.

West (Region 5)

  • Mark Aldax, Mid Valley Ag Services, in Linden, Calif.
  • Dave Dufault, J.R. Simplot Company, in Boise, Idaho
  • Richard Lloyd, Valley Agronomics LLC, in Rupert, Idaho
  • Troy Johnson (Immediate Past Chair), Wilbur-Ellis, in Colfax, Wash.
  • Ian McGregor (Vice Chair), The McGregor Company, in Colfax, Wash.
  • Ernie Roncoroni, GrowWest, in Woodland, Calif.

Crop Protection and Seed

  • Dan Bouck, Corteva Agriscience, in Indianapolis, Ind.
  • Luiz Beling, Bayer Crop Science, in St. Louis, Mo.
  • Christina Coen, FMC Agricultural Products, in Philadelphia, Pa.
  • Lyndon Smith, Bio Huma Netics, Inc., in Gilbert, Ariz.
  • Mike Hofer, BASF, in Denver, Colo.
  • Paul Backman, Syngenta, in Washington, D.C.
  • Bob Trogele, AMVAC Chemical Corporation, in Newport Beach, Calif.


  • Tim Richie, The Mosaic Company, in Plymouth, Minn.
  • Toby Hlavinka, American Plant Food, in Galena Park, Texas
  • Ryan Burke, Gavilon Fertilizer LLC, in Savannah, Ga.
  • Brooke McMullin, International Raw Materials, in Philadelphia, Pa.
  • Brett Nightingale, CF Industries, in Deerfield, Ill.
  • Gary Vogen, Yara North America, in Tampa, Fla.


  • Darin Ebeling, Sackett-Waconia, in Waconia, Minn.
  • Ken Lehmann, Case IH, in Racine, Wis.
  • Bradley Sponseller, John Deere Agriculture & Turf, in Olathe, Kan.
  • Dave Webster, AGCO, in Duluth, Ga.

Technology and Services

  • Ernie Chappell, EFC Systems, in Brentwood, Tenn.
  • Jason Lueders, CoBank, in Minneapolis, Minn.

State Affiliate Representative

  • Jean Payne, Illinois Fertilizer and Chemical Association, in Bloomington, Ill.


  • Daren Coppock, ARA President and CEO, in Washington, D.C.
  • Doug Catt, AgPro Magazine, in Lenexa, Kan.
  • Corey Rosenbusch, The Fertilizer Institute, in Washington, D.C.
  • Chris Novak, CropLife America, in Washington, D.C.


  • Leroy Startz, Ag Resource Management (ARM), in Fort Worth, Texas.