Mike Stahr Mike Stahr
Seed Lab Manager

Expertise: Germination, Vigor of Large Seeds, Trait Testing
Education/Training: MS Agronomy; Certified Seed Analyst in Germination, Certified Genetic Technologist in Herbicide Bioassay and Immunoassay
Phone: 515.294.0117
Email:
Lisa Shepherd Lisa Shepherd
Seed Health Testing Coordinator, Acting Director of the National Seed Health System

Expertise: Seed Pathology, Phytosanitary Export
Education/Training: BS Agronomy and Seed Science, MS Plant Pathology (Seed Pathology)
Phone: 515.294.6493
Email:
Christa Hoffman Christa Hoffman
Trait Testing Coordinator

Expertise: Trait Testing, Electrophoresis, PCR
Education/Training: BS Animal Science, Minor in Agronomy
Phone: 515.294.6028
Email: choffman@iastate.edu
Kim North Kim North
Seed Analyst III

Expertise: Germination, Vigor, Tetrazolium
Education/Training: Certified Seed Analyst in Germination
Phone: 515.294.0120
Email:
Liz Miller Liz Miller
Seed Analyst I

Expertise: Germination
Education/Training: BS Horticulture; Certified Seed Analyst in Germination
Phone: 515.294.0116
Email:
Sandy Hegna Sandy Hegna
Seed Analyst III

Expertise: Purity Testing
Education/Training: Registered Seed Technologist, Certified Seed Analyst in Purity and Germination
Phone: 515.294.0120
Usha Arora Usha Arora
Seed Analyst III

Expertise: Purity Testing, Trait Testing
Education/Training: BS Agriculture, MS Horticulture; Registered Seed Technologist, Certified Seed Analyst in Purity and Germination, Certified Genetic Technologist in Herbicide Bioassay and Immunoassay
Phone: 515.294.0120
Email:
Nancy Heideman Nancy Heideman
Seed Analyst I

Expertise: Germination, Tetrazolium
Education/Training: BA Biology; Certified Seed Analyst in Germination
Phone: 515.294.0116
Email: nheidema@iastate.edu
Ronna Peterson Ronna Peterson
Seed Analyst I

Expertise: Germination
Education/Training: B.S. Education; Certified Seed Analyst in Germination
Phone: 515.294.0116
Bobbie Nordyke Bobbie Nordyke
Seed Analyst II

Expertise: Purity Testing, Germination
Education/Training: Certified Seed Analyst in Germination
Phone: 515.294.0116
Anania Fessehaie Anania Fessehaie
Molecular Testing Coordinator

Expertise: PCR Testing of Pathogens and GMO Traits; Research in the Molecular Detection of Plant Pathogens
Education/Training: PhD Plant Pathology
Phone: 515.294.7096
Email: fessehai@iastate.edu
Bonnie Crippen Bonnie Crippen
Customer Service

Expertise: Customer Service and Relations, Data Entry, Billing
Phone: 515.294.6826
Email:
Connie Sandve Connie Sandve
Seed Science Center Secretary

Expertise: University Administration and Seed Lab Customer Service
Phone: 515.294.6821
Email:
Yuh-Yuan Shyy Yuh-Yuan Shyy
Scientist I

Expertise: Computer System Management, Data Analysis and Communication, Seed Conditioning
Education/Training: PhD Agricultural Engineering
Phone: 515.294.9405
Email:
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