Bill Arndorfer, Regional Director

Bill Arndorfer

Regional Director
Abbie Johnson

Abbie Johnson

County Youth Coordinator

4-H Youth Development

Darla Olson

Office Manager

Susan Ringhofer

4-H Office Assistant

Terry Basol

Agronomy Specialist

Crop production

Gail Castillo

Youth Development
(641) 423-0844

Curriculum development, program facilitation, group processes, leadership, grant procurement, networking

Nancy Clark

Human Sciences Specialist, Nutrition & Health

Food Safety, Nutrition Throughout the Lifecycle, Consumer Food Management, Women's Health Issues, Nutrition and the Teen Athlete, Sun Exposure and Cancer Risk, Dining with Diabetes

Russ Euken

Field Specialist - Livestock

Production information related to nutrition, facilities, health, records, and budgeting for swine beef, sheep and dairy producers. Computer applications for livestock production. Individual consultation on improving productivity in livestock operations. Environmentally sound livestock production methods

Mackenzie Johnson

Human Sciences Field Specialist in Family Life

Mackenzie works to reach families across the lifespan. She provides research-based information and education to help families make decisions that improve and transform their lives. She can speak on topics including: Adult Education, Parenting, Human Development, Aging, Early Childhood Education, Overindulgence, Ambiguous Loss, Literacy, Stress Management, PROSPER, and Family Caregiving.

Kelvin Leibold Image

Kelvin Leibold

Farm and Ag. Business Management Specialist
(641) 648-4862

Farm Management including - farm leasing and land value, intergenerational transfers of assets, farm business financial planning and analysis, debt restructuring, crop and livestock marketing strategies and outlook, computerized 'what if' analysis for expansion or restructuring.


Jolene McCoy

External Relations Specialist

Brenda Schmitt

Human Sciences Specialist, Family Finance
Jennifer Bentley Photo

Jennifer Bentley

Extension Dairy Program Specialist

Dairy Herd Management, Young Stock Management,  and Dairy Facilities

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