ISU Extension   

   
   
 
Iowa Beef Center Site
Economics & Markets
Forages, Hay & Grazing
Feedlot Operations
Cow-Calf Operations
Stocker/Backgrounder
Environmental Management
Feed/Corn Co-Products
Research & Publications
IBC Software
Iowa State links
Other industry links


Our team

 

Meet our campus and field staff here. You can also view our team by specialty and ISU Extension staff by county.

Campus staff

John Lawrence
Director, Iowa Beef Center
Department of Economics
Specialty: Livestock marketing
jdlaw@iastate.edu

Steve Barnhart
Department of Agronomy
Specialty: Forage production
sbarnhar@iastate.edu

Joe Cordray
Department of Animal Science
Specialty: Livestock marketing
jcordray@iastate.edu

Garland Dahlke
Iowa Beef Center
Specialty: Software development
garland@iastate.edu

Shane Ellis
ISU Extension
Specialty: Livestock economics
shanee@iastate.edu

Paula Flynn
Department of Plant Pathology
Specialty: Plant disease diagnosis
pflynn@iastate.edu

Nancy Foster
Iowa Beef Center
Specialty: Communications
nfoster@iastate.edu

Arne Hallam
Department of Economics
Specialty: Production economics
ahallam@iastate.edu

Nolan Hartwig
College of Veterinary Medicine,
Veterinary Diagnostic Production Animal Medicine
Specialty: Beef cattle production
nhartwig@iastate.edu

Peter Hoffman
Department of Animal Science
Specialty: Beef cattle production management

phoffman@iastate.edu

Kenneth Holsche
Department of Entomology
Specialty: Livestock and stored grain pest management

kholsche@iastate.edu

Daniel Loy
Department of Animal Science
Specialty: Beef cattle and feedlot management

dloy@iastate.edu

Ken Moore
Department of Agronomy
Specialty: Pasture research and plant physiology

kjmoore@iastate.edu

Dan Morrical
Department of Animal Science
Specialty: Forage and grazing management

morrical@iastate.edu

Marlin Rice
Department of Entomology
Specialty: Entomology programs for field
and forage crops

merice@iastate.edu

Julie Roberts
Department of Animal Science
Support staff

jrober@iastate.edu

Jim Russell
Department of Animal Science
Specialty: Forage grazing research

jrussell@iastate.edu

Brad Skaar
Department of Animal Science
Specialty: Genetic evaluation of beef cattle

skaar@iastate.edu

Daryl Strohbehn
Department of Animal Science
Specialty: Cow-calf management

stroh@iastate.edu

Allen Trenkle
Department of Animal Science
Specialty: Ruminant nutrition

atrenkle@iastate.edu

Trina Zimmer
Department of Animal Science
Specialty: Cow-calf management

trina@iastate.edu

Field staff
Which beef specialist serves your area? Click here

Darrell Busby
ISU Extension beef field specialist
Specialty: Feedlot and cow-calf management
dbusby@iastate.edu

Dennis DeWitt
ISU Extension beef field specialist
Specialty: Beef production and management
dewitt@iastate.edu

Beth Doran
ISU Extension beef field specialist
Specialty: Feedlot and cow-calf management
doranb@iastate.edu

Tim Eggers
ISU Extension farm management specialist
Specialty: Agricultural economics
teggers@iastate.edu

Russ Euken
ISU Extension beef field specialist
Specialty: Beef production and management
reuken@iastate.edu

Byron Leu
ISU Extension beef field specialist
Specialty: Feedlot and cow-calf management
bleu@iastate.edu

Joe Sellers
ISU Extension beef field specialist
Specialty: Feedlot and cow-calf management
sellers@iastate.edu

Denise Schwab
ISU Extension beef field specialist
Specialty: Feedlot and cow-calf management
dschwab@iastate.edu

Dale Thoreson
ISU Extension beef field specialist
Specialty: Beef nutrition and management
dthores@iastate.edu

Bob Wells
ISU Extension farm management specialist
Specialty: Agricultural economics
wellsjb@iastate.edu

 

 



 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


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Daryl Strohbehn

Campus specialist Daryl Strohbehn
is pictured above. Our specialists
work daily to improve the beef industry
and educate producers.

Dennis DeWitt

Field specialist Dennis DeWitt
is pictured above. Our field specialists
conduct field demonstrations and
educational programs to help
producers improve their operations.