Our Experts

John Ball

Professor, SDSU Extension Forestry Specialist & South Dakota Department of Agriculture Forest Health Specialist

605-688-4737

John.Ball@SDSTATE.EDU

Berg Agricultural Hall 314
Agronomy, Horticulture & Plant Science-Box 2207A
University Station
Brookings, SD 57007

John Green

SDSU Extension iGrow Information Officer

605-688-6729

john.green@sdstate.edu

Berg Agricultural Hall 219
Ag Information Technology/iGrow-CES-Box 2207
University Station
Brookings, SD 57007

Headshot of John Keimig

John Keimig

SDSU Extension Youth Safety Field Specialist

605-688-5575

John.Keimig@sdstate.edu

Berg Agricultural Hall 128
4H Programs-Box 2207E
University Station
Brookings, SD 57007

John Madison

SDSU Extension 4-H Youth Program Advisor - Beadle County

605-353-8436

john.madison@sdstate.edu

SDSU Extension Beadle County Office
1070 Third St SW
Huron, SD 57350

John McMaine

Assistant Professor, SDSU Extension Water Management Engineer

605-688-5610

John.McMaine@sdstate.edu

Ag Engineering 217
Ag & Biosystems Engineering-Box 2120
University Station
Brookings, SD 57007

John Solano

605-688-4038

John.Solano@sdstate.edu

Berg Agricultural Hall 435
Food & Families-Box 2207
Unversity Station
Brookings, SD 57007

Johnathon Wolthuizen

605-688-4600

Johnathon.Wolthuizen@sdstate.edu

Berg Agricultural Hall 244
Agronomy, Horticulture & Plant Science-Box 2207A
University Station
Brookings, SD 57007

Jonathan Kleinjan

SDSU Extension Crop Production Associate

605-688-4211

Jonathan.Kleinjan@SDSTATE.EDU

Berg Agricultural Hall 225
Agronomy, Horticulture & Plant Science-Box 2207
University Station
Brookings, SD 57007

Joshua Hofer

605-688-5614

Joshua.Hofer@sdstate.edu

Berg Agricultural Hall 134
Community Development Programs-CES
University Station
Brookings, SD 57006

Joshua Johnson

605-688-4167

Joshua.C.Johnson@sdstate.edu

Berg Agricultural Hall 122
4-H-Box 2207E
University Station
Brookings, SD 57007

Headshot of Julian Witte

Julian Witte

605-782-3290

Julian.Witte@sdstate.edu

Sioux Falls Regional Center-CES
4101 W 38th St Ste 103
Sioux Falls, SD 57106

Julie Walker

Professor & SDSU Extension Beef Specialist

605-688-5458

Julie.Walker@SDSTATE.EDU

Animal Science Complex 221
Animal Science-Box 2170
University Station
Brookings, SD 57007

Kari O'Neill

SDSU Extension Community Vitality Field Specialist

605-685-6972

Kari.Oneill@sdstate.edu

SDSU Extension Bennett County Office
PO Box M
501 Second Ave, Ste A
Martin, SD 57551

Karla Trautman

SDSU Extension Director

605-688-4792

Karla.Trautman@sdstate.edu

Berg Agricultural Hall 154
Extension-Box 2207D
University Station
Brookings, SD 57007

Kasee Hieb

Program Assistant I

605-688-4938

Kasee.Hieb@sdstate.edu

Berg Agricultural Hall 126
4H-Box 2207E
University Station
Brookings, SD 57007