Our people at CALS
Meet our people
CALS provides a supportive academic community and a statewide UI Extension network, fostering connections in every corner of Idaho.
To find faculty and staff at one of our 10 research and Extension centers, visit Idaho Agricultural Experiment Station.
To find educators and staff at one of our 42 county and three federally recognized tribes offices, visit University of Idaho Extension.
Administrative team
Leslie Edgar
J.R. Simplot Endowed Dean of the College of Agricultural and Life SciencesRachael Bickerton
Senior Director of Government and External RelationsAmy Calabretta
Director of Communications and Strategic InitiativesMargarita Cardona
Chief Business OfficerMatt Doumit
Associate Dean and Director of Academic ProgramsRobert Haggerty
Director of International ProgramsMatt Powell
Interim Associate Dean of Research and Director of Idaho Agricultural Experiment StationBarbara Petty
Associate Dean and Director of University of Idaho ExtensionDavid Pittsley
Assistant to the Dean and Senior Associate DeanNicole Wright
Assistant to Associate Deans and Directors for Extension and ResearchMadison McGuire
Administrative Specialist
Academic units
Agricultural economics and rural sociology
Christopher McIntosh
Department Head and Professor of Agricultural Economics and Rural SociologyXiaoxue "Rita" Du
Associate ProfessorXiaoli Etienne
Professor and Idaho Wheat Commission Endowed Chair in Commodity Risk ManagementColby Field
Assistant Professor and Area Extension Educator in Agricultural EconomicsPatrick Hatzenbuehler
Associate Professor and Extension Specialist in Agricultural EconomicsLorie Higgins
Professor and Extension Specialist in SociologyKatherine Lee
Associate ProfessorPaul Lewin
Executive Director of Western Rural Development Center; Professor and Extension Specialist in SociologyLiang "Jimmy" Lu
Associate ProfessorAlexander Maas
Associate ProfessorTimothy Nadreau
Assistant ProfessorNorm Ruhoff
Clinical Associate ProfessorHernan Tejeda
Associate Professor and Extension Specialist in Agricultural EconomicsAndres Trujillo-Barrera
Associate Professor and Director of Agricultural Commodity Risk ManagementPhilip Watson
ProfessorBrett Wilder
Assistant Professor and Area Extension Educator in Agricultural EconomicsJessica Windh
Assistant Professor and Extension Specialist in Rangeland and Natural Resource EconomicsJason Winfree
ProfessorMadison Griffin
Administrative Specialist and Academic Advisor
Agricultural education, leadership and communications
Don Edgar
Department Head and Professor of Agricultural Education, Leadership and CommunicationsGarrett Brogan
Assistant ProfessorKeith J. Frost
Assistant ProfessorAmanda Moore-Kriwox
Program Specialist and Academic CoordinatorMelissa Sherman
Idaho's FFA Executive DirectorKasee Smith
Associate ProfessorKattlyn Wolf
ProfessorSarah Swenson
Administrative Coordinator
Animal, veterinary and food sciences
Benton Glaze
Interim Department Head and Professor of Animal, Veterinary and Food Sciences; and Extension Specialist in BeefAmin Ahmadzadeh
ProfessorPhil Bass
Associate ProfessorJacob W. Bledsoe
Assistant Professor and Extension Specialist in AquacultureCarolyn Hovde Bohach
Distinguished ProfessorMireille Chahine
Professor in Dairy CattleGwinyai Chibisa
Associate ProfessorLauren Christensen
Assistant Professor and VeterinarianJoseph Dalton
Professor and Extension Specialist in Dairy CattleStacey Doumit
Senior Instructor in Animal ScienceMelinda Ellison
Associate Professor and Extension Specialist in Range Livestock and SheepDaniel Fitzsimons
Assistant ProfessorJohn Hall
Professor and Extension Specialist in Beef Cattle and Lead at Rinker Rock Creek RanchJanna Hamlett
Clinical Associate Professor and Extension Specialist in Food ProcessingDenise Konetchy
Associate Professor and VeterinarianNingjian Liang
Assistant Professor of Food ChemistryMark McGuire
Distinguished Professor and Associate Director of COBREScott Minnich
Distinguished Professor of Microbiology and Idaho INBRE Associate DirectorBrenda Murdoch
ProfessorTracey Lee Peters
Assistant Professor and Extension Specialist in Consumer Food SafetyAmy Skibiel
Associate ProfessorJim Sprinkle
Professor and Extension Specialist in Beef CattleIzabelle Teixeira
Assistant Professor and Extension Specialist in Dairy CattleJames Van Leuven
Assistant ProfessorMatt Doumit
Associate Dean and Director of Academic ProgramsMatt Powell
Interim Associate Dean of Research and Director of Idaho Agricultural Experiment StationGilbert Miito
Assistant Professor and Extension Specialist in Air QualityRobin Inman
Administrative CoordinatorJessica Christensen
Student Support SpecialistKevin Carnahan
Senior ResearcherLucelia De Moura Pereira
Research SpecialistMina Mahdavi-Yekta
Research SpecialistJames Nasados
Meat Science Lab Manager of Vandal Brand MeatsMakayla Harrison
Beef Feedlot Manager of Steer-A-YearJanet Williams
Senior Research Scientist
Entomology, plant pathology and nematology
Stephen Cook
Department Head and Professor of Entomology, Plant Pathology and NematologyLouise-Marie Dandurand
ProfessorMarcelo Dimase
Assistant Professor and Extension Specialist in EntomologyKasia Duellman
Associate Professor and Extension Specialist in Plant PathologyArmando Falcon-Brindis
Assistant Professor and Extension Specialist in EntomologyChris Hamilton
Associate ProfessorAlexander Karasev
Distinguished ProfessorEdwin Lewis
Professor and Co-director of Institute for Health in the Human EcosystemShirley Luckhart
Professor and Co-director of Institute for Health in the Human EcosystemBrenda Schroeder
Associate Research ProfessorMark Schwarzläender
Professor and Associate Director of Center for Research on Invasive SpeciesErik Wenninger
Professor and Extension Specialist in Entomology and Integrated Pest Management CoordinatorPhillip Wharton
Associate Professor in Plant PathologyJames Woodhall
Associate Professor and Extension Specialist in Plant PathologyLuc Leblanc
Curator and Manager of William F. Barr Entomological Museum
Family and consumer sciences
Michelle (Shelley) McGuire
Distinguished Professor and Director of Margaret Ritchie School of Family and Consumer Sciences; Director of COBREKatie Miner
Clinical Assistant ProfessorHydee Becker
Clinical Associate Professor and Director of DieteticsErin Chapman
Clinical ProfessorShiyi Chen
Associate Professor, EHHS Affiliate FacultyYimin Chen
Associate ProfessorSarah Deming
Assistant ProfessorAdrianne Griebel-Thompson
Assistant Professor and Extension Specialist in Maternal and Infant NutritionLuke Erickson
Professor and Extension Specialist in Personal FinanceVirginia (Ginny) Lane
Assistant ProfessorSara Matthews
Senior InstructorChelsey Lewallen
Senior InstructorAnnie Roe
Associate Professor, Extension Specialist in Nutrition Education and Director of Eat Smart IdahoMojtaba Shafiee
Assistant ProfessorLing-Ling Tsao
Associate ProfessorLori Wahl
Assistant ProfessorAnn Frost
Associate Dean of Graduate Studies and Associate ProfessorColin Xu
Assistant ProfessorQingyu Jiang
Assistant ProfessorEmily Dorigo
Administrative Specialist IIISandi Klingler
Administrative Specialist and AdvisorKristin Hansen
Manager of Eat Smart IdahoChristina Roe
Business Specialist in Eat Smart IdahoIslamiyat Bolarinwa
Research Associate IAngel Shears
Program Manager and Evaluator for COBRE/INBRECami Moss
Program Manager and Fiscal Director of COBREPatricia Villamediana
Research Laboratory Services Manager for COBRE
Plant sciences
Joseph Kuhl
Interim Department Head and Professor of Plant Sciences; Director of Stillinger HerbariumAlbert Adjesiwor
Assistant Professor and Extension Specialist in Weed ScienceAllan Caplan
Associate ProfessorPramod Acharya
Assistant Professor and Extension Specialist in Forage AgronomyJianli Chen
Professor in Wheat Breeding and GeneticsJonathan Clavijo-Herrera
Assistant Professor and Extension Specialist in PomologyZonglie Hong
ProfessorKamal Khadka
Assistant Professor and Lead for Brassica Breeding and Research ProgramXi Liang
Associate Professor and Extension Specialist in AgronomyShahla “Sara” Mahdavi
Clinical Assistant ProfessorNora Olsen
Professor and Extension Specialist in Potato and HorticultureTimothy Prather
Professor and Senior Associate Director of Rangeland CenterKurtis Schroeder
Associate Professor and Extension Specialist in Cropping Systems AgronomistJared Spackman
Idaho Barley Commission Endowed Barley Agronomist, Assistant Professor and Extension SpecialistGustavo Henrique de Almeida Teixeira
Wayne and Peggy Thiessen Potato Research Professorship Endowment, Assistant Professor and Extension Specialist in Potato Postharvest PhysiologistSenay Ugur
Assistant ProfessorFangming Xiao
ProfessorJuliet Marshall
Associate Director of Idaho Agricultural Experiment Station, Professor and Extension Specialist in CerealsKai Battenberg
Collections Manager for Stillinger HerbariumMakayla Frazier
Administrative Specialist IIIJulia Piaskowski
Director of Statistical ProgramsKayla Spawton
Director of Seed Potato Germplasm LaboratoryYueguang Wang
Research Associate
Soil and water systems
Robert Heinse
Department Head and Professor of Soil and Water SystemsEmily Bedwell
Assistant Professor and Extension Specialist in Irrigation TechnologyErin Brooks
ProfessorLide Chen
Professor and Extension Specialist in Waste Management EngineeringCourtney Cosdon
Soil Health Extension InstructorMariana Dobre
Assistant ProfessorMarvin Heimgartner
Assistant ProfessorKendall Kahl
Assistant Professor and Extension Specialist in SoilsKendra Kaiser
Director of Idaho Water Resources Research Institute and Assistant ProfessorZachary Kayler
Associate ProfessorMeetpal Kukal
Assistant Professor of Hydrologic Science and Water ManagementJohnny (Liujun) Li
Assistant ProfessorRobert Mahler
ProfessorGreg Moller
ProfessorJae Hyeon Ryu
ProfessorLaurel Lynch
Assistant ProfessorDaniel Strawn
ProfessorMichael S. Strickland
ProfessorAaron Chastain
Administrative Specialist IIIHamed Arfania
ResearcherAbdulbaset Alayat
Research AssociateSafdar Bashir
ResearcherAlex Crump
Research AssociateBenjamin Harlow
Senior Technical Engineer for Deep Soil EcotronRegan Lindsey
Research AssociateClarence Robison
Research Support ScientistBrianna Slothower
Research Specialist
Communications and development
CALS communications team
Amy Calabretta
Director of Communications and Strategic InitiativesJohn O'Connell
Assistant Director of CommunicationsJaci Bjorne
Assistant Director of Marketing and EventsDebra Rumford
College of Agricultural and Life Sciences Web CoordinatorBrian Kelly
University of Idaho Extension Web ManagerHannah Ruth Pettyjohn
CALS Marketing and Events CoordinatorLynna Stewart
Graphic DesignerBrandi Chastain
Executive Assistant for CALS Communications and CALS Development
CALS development team
Melinda Jean Stafford
Interim Senior Director of Development, College of Agricultural and Life SciencesKendall Mooney
Director of Development, College of Agricultural and Life SciencesHannah Doumit
Associate Director of Development, College of Agricultural and Life Sciences
Administrative Services
- Margarita Cardona, director, mcardona@uidaho.edu
- Charity Buchert, business officer II, charityb@uidaho.edu
- Joseph Charles, business officer II, jcharles@uidaho.edu
- Dayna Willis, business manager II, dwillis@uidaho.edu
- Heather Biersner, executive assistant I, hbiersner@uidaho.edu
- Stephanie Bunney, accounting specialist III, stephanie@uidaho.edu
- Tammy Greenwalt, business specialist III, tammyg@uidaho.edu
- Laura Uhlenkott, business specialist II, laurau@uidaho.edu
- Jordan Hollingshead, accounting specialist III, jordanoh@uidaho.edu
- Wyatt Wright, business specialist III, wbwright@uidaho.edu
- Emily Simmons, business specialist III, esimmons@uidaho.edu
- Amir Rezamand, business specialist III, amirr@uidaho.edu
CALS Grant and Project Development
- Debbie Gray, director, dgray@uidaho.edu
- Julie Colson, colson@uidaho.edu
CALS Grant Management Services
- Holly Waters, director, hwaters@uidaho.edu
- Robyn Wakefield, grant administrator, rwakefield@uidaho.edu
- Kallie Yielding, grant administrator, kyielding@uidaho.edu
Extension Publishing
- Erin Doty, director, edoty@uidaho.edu
- Ashley Baker, ashleybaker@uidaho.edu
- Lori Vermaas, loriv@uidaho.edu
- Dailynn Hampton, dailynn@uidaho.edu
- Brian Kelly, bkelly@uidaho.edu
Statistical Programs
- Julia Piaskowski, director, jpiaskowski@uidaho.edu
Advisory Board
Members of the College of Agricultural and Life Sciences Dean’s Advisory Board ensure that the work done in the college results in real-world value. The board helps the college identify the key challenges that are most important to our stakeholders and industry partners. These devoted volunteers include representatives from each CALS academic department advisory board, as well as industry leaders, alumni and members of the CALS administrative team. Current members include:
- Dave Bjorneberg — supervisory agricultural engineer, USDA - ARS
- Travis Blacker — industry relations director, Idaho Potato Commission
- Arnold Callison – banker/rancher
- Stephanie Etter — former Extension educator
- Marty Gill — Performix Nutrition
- Theresa Golis — Family and Consumer Sciences Program quality manager, FCCLA state advisor
- Krista Huettig — Red Star Ranch
- Jacie Jensen — Thorn Creek Native Seed Farm (past chair)
- Lloyd Knight — administrator, Idaho State Department of Agriculture (ex officio)
- Zak Miller — chief executive officer, Idaho Farm Bureau Federation
- Katie Mosman-Wilson —Idaho Digital Learning Academy
- Cameron Mulrony — executive vice president, Idaho Cattle Association
- Rick Naerebout — chief executive officer, Idaho Dairymen’s Association
- Elizabeth Quesnell Kohtz – veterinarian
- Pat Purdy — Purdy Enterprises, Inc.
- Doug Robison — Idaho president, Northwest Farm Credit Services
- Venkat Sukesula – dairy science and technologist, Idaho Milk Products
- Chanel Tewalt, director, Idaho State Department of Agriculture
- Karl Umiker — Clearwater Canyon Cellars
- Rick Waitley — president, Association Management Group (chairman)
- Margie Watson — J.C. Watson Company
- Addie Waxman — McCain Foods USA
- Laura Wilder — administrator, Idaho Barley Commission
Meet the Dean
About Leslie D. Edgar
Leslie D. Edgar joined University of Idaho as dean of the College of Agricultural and Life Sciences in June 2025. In her role as dean of CALS, Edgar oversees a college with more than 240 faculty located on campus and across the state at 10 research and Extension centers and in UI Extension offices located in 42 counties and three federally recognized tribal communities.
Prior to her appointment as dean of CALS, Edgar served as associate dean of research and director of the Agricultural Research Center in the College of Agricultural, Human and Natural Resource Sciences (CAHNRS) at Washington State University, where she oversaw and provided leadership for interdisciplinary research teams, fiscal and personnel management, and strategic planning and direction for the CAHNRS research enterprise. Prior to WSU, Edgar served as the associate dean of research and experiment station director at New Mexico State University, as professor and department head for the Agricultural Leadership, Education and Communication Department the University of Georgia, and as assistant dean for student programs at the University of Arkansas, where she directed the honors and international programs.
As a science and agricultural communicator, Edgar's research focused on human capital within agriculture and the development of effective communication models to enhance management and outreach. During her time as a faculty member, she received 10 teaching and advising awards, including the prestigious National New Teacher Award for Excellence in College and University Teaching from the Association of Public and Land-Grant Universities (APLU) and USDA/NIFA. Edgar has authored over 70 peer-reviewed journal articles, secured millions of dollars in research grants and contracts, and earned 37 awards for research and professional service.
Edgar received a bachelor's degree in animal science and a masters in agricultural systems, technology and education from Utah State University. She earned a doctoral degree in agricultural leadership, education and communications from Texas A&M University.