Amarillo Center Administrators
John M. Sweeten, PhD
Resident Director and Professor, Agricultural Engineering
Texas AgriLife Research
E-Mail: jsweeten@ag.tamu.edu
Danny Nusser
District Extension Administrator
Texas AgriLife Extension Service
Email: dnusser@ag.tamu.edu
Regional Program Directors – North Region
Galen Chandler, Ed.D
Regional Program Director, Agriculture & Natural Resources
Texas AgriLife Extension Service
E-Mail: gchandler@ag.tamu.edu
Angela Burkham, Ed.D
Regional Program Director, Family & Consumer Sciences
Texas AgriLife Extension Service
E-Mail: aburkham@ag.tamu.edu
Amarillo Center Faculty
Stephen H. Amosson, PhD, Regents Fellow
Professor, Extension Economist
Texas AgriLife Extension Service
E-Mail: samosson@ag.tamu.edu
Brent W. Auvermann, PhD
Professor, Biological and Agricultural Engineering
Texas AgriLife Research / Texas AgriLife Extension Service
E-Mail: bauverma@ag.tamu.edu
Brent W. Bean, PhD
Professor, Extension Agronomist
Texas AgriLife Research / Texas AgriLife Extension Service
E-Mail: bbean@ag.tamu.edu
Mike Brown, PhD
Associate Professor
Texas AgriLife Research / West Texas A&M University
Ed Bynum, PhD
Assistant Professor
Texas AgriLife Extension Service
E-Mail: ebynum@ag.tamu.edu
Ken Casey, PhD
Associate Professor, Air Quality Engineering
Texas AgriLife Research
E-Mail: kdcasey@ag.tamu.edu
Ken Cearley, M.S., CWB
Extension Wildlife Specialist
High Plains & Trans-Pecos
Texas AgriLife Extension Service/Department of Wildlife and Fisheries Sciences
E-Mail: kcearley@ag.tamu.edu
Andrew B. Crocker, MS
Extension Program Specialist, Gerontology Health
Texas AgriLife Extension Service
E-Mail: abcrocker@ag.tamu.edu
Brandon Dukes, M.S.
Extension Program Specialist, 4-H and Youth Development
Texas AgriLife Extension Service
E-mail: bkdukes@ag.tamu.edu
Ron French, PhD
Extension Program Specialist, Plant Pathology
Texas AgriLife Extension Service
E-Mail: rdfrench@ag.tamu.edu
DeDe Jones, MBA
Extension Program Specialist, Risk Management
Texas AgriLife Extension Service
E-Mail: dljones@ag.tamu.edu
Nich Kenny
Extension Program Specialist, Irrigation Engineer
Texas AgriLife Extension Service
E-Mail: npkenny@ag.tamu.edu
Kay Ledbetter
Communications Specialist
Texas AgriLife Research/Texas AgriLife Extension Service
E-Mail: skledbetter@ag.tamu.edu
Shuyu Liu, PhD
Assistant Professor, Small Grains Geneticist
Texas AgriLife Research
E-Mail: sliu@ag.tamu.edu
James MacDonald, PhD
Associate Professor, Beef Cattle
Texas AgriLife Research
E-Mail: jcmacdonald@ag.tamu.edu
Thomas H. Marek, MS, PE
Agricultural Engineering, Superintendent, North Research Field, Etter
Texas AgriLife Research
E-Mail: tmarek@ag.tamu.edu
F.T. “Ted” McCollum III, PhD, PAS
Professor, Extension Beef Cattle Specialist
Texas AgriLife Extension Service
E-Mail: tmccollu@ag.tamu.edu
Gerald J. Michels Jr., PhD
Professor, Entomology, Biological Control
Texas AgriLife Research
E-Mail: gmichels@ag.tamu.edu
Pablo Pinedo, Ph.D.
Assistant Professor, Ruminant Animal Health
Texas AgriLife Research
E-Mail: ppinedo@ag.tamu.edu
Jackie Rudd, PhD
Professor, Agronomy, Wheat Breeding
Texas AgriLife Research
E-Mail: jcrudd@ag.tamu.edu
Charles M. Rush, PhD
Professor, Plant Pathology
Texas AgriLife Research
E-Mail: crush@ag.tamu.edu
Qingwu Xue, PhD
Crop Stress Physiologist
Texas AgriLife Research
E-Mail: qxue@ag.tamu.edu
Amarillo Center Professional Staff
Jewel Arthur
Technician I
Texas AgriLife Research
E-Mail: jlarthur@ag.tamu.edu
Jason Baker
Senior Research Associate
Texas AgriLife Research
E-Mail: jbaker@ag.tamu.edu
Shannon Baker
Research Assistant
Texas AgriLife Research
E-Mail: sabaker@ag.tamu.edu
Jake Becker
Research Assistant
Texas AgriLife Research
E-Mail: jdbecker@ag.tamu.edu
Johnny Bible
Research Assistant
Texas AgriLife Research
E-Mail: jbible@ag.tamu.edu
Jack Bush
Research Associate
Texas AgriLife Research
E-Mail: kjbush@ag.tamu.edu
Beverly Clark
Technician I
Texas AgriLife Research
E-Mail: beclark@ag.tamu.edu
Erica Cox
Research Assistant
Texas AgriLife Research
E-Mail: ecox@ag.tamu.edu
Ravindra Devkota, PhD
Associate Research Scientist
Texas AgriLife Research
E-Mail: rdevkota@ag.tamu.edu
Luz Serrato Diaz
Extension Assistant
Texas AgriLife Extension Service
E-Mail: lmdiaz@ag.tamu.edu
Jimmy Gray
Technician II
Texas AgriLife Research
E-Mail: jamesgray@ag.tamu.edu
Kevin Heflin
Extension Associate
Texas AgriLife Extension Service
E-Mail: kheflin@ag.tamu.edu
Kirk Jessup
Research Assistant
Texas AgriLife Research
E-Mail: kejessup@ag.tamu.edu
Erin Jones
Research Assistant
Texas AgriLife Research
E-Mail: enjones@ag.tamu.edu
Srirama Krishna Reddy
Postdoctoral Research Associate
Texas AgriLife Research
E-Mail: skrishnareddy@ag.tamu.edu
Rachel Lange
Agricultural Research Technician II
Texas AgriLife Research
E-Mail: ralange@ag.tamu.edu
Gary Marek
Research Associate
Texas AgriLife Research
E-Mail: gwmarek@ag.tamu.edu
Tommy Moore
Senior Research Associate
Texas AgriLife Research
E-Mail: tlmoore@ag.tamu.edu
Li Paetzold
Research Associate
Texas AgriLife Research
E-Mail: lpaetzold@ag.tamu.edu
Albert Patton
Extension Assistant
Texas AgriLife Extension Service
E-Mail: afpatton@ag.tamu.edu
Jacob Price
Research Associate
Texas AgriLife Research
E-Mail: japrice@ag.tamu.edu
Arash Rashed
Postdoctoral Research Associate
Texas AgriLife Research
E-Mail: arashed@ag.tamu.edu
Jacob Robinson
Research Assistant
Texas AgriLife Research
E-Mail: jwrobinson@ag.tamu.edu
Sharon Sakirkin
Research Associate
Texas AgriLife Research
E-Mail: slpreece@ag.tamu.edu
Ginger Shipp, PhD
Postdoctoral Research Assistant
Texas AgriLife Research
E-Mail: gmshipp@ag.tamu.edu
Jonny Simmons
Research Assistant
Texas AgriLife Research
E-Mail: jsimmons@ag.tamu.edu
Madeleine Smith, PhD
Assistant Research Scientist
Texas AgriLife Research
E-Mail: mjsmith@ag.tamu.edu
Brad Wilhite
Technician I
Texas AgriLife Research
E-Mail: wbwilhite@ag.tamu.edu
Ronnie Williams
Agricultural Research Technician I
Texas AgriLife Research
E-Mail: rgwilliams@ag.tamu.edu
Fekede Workneh, PhD
Research Scientist
Texas AgriLife Research
E-Mail: fworkneh@ag.tamu.edu
Amarillo Center Support Staff
Laurie Benedetti
Business Assistant II
Texas AgriLife Research
E-Mail: labenedetti@ag.tamu.edu
Linda Bice
Office Associate
Texas AgriLife Extension Service
E-Mail: llbice@ag.tamu.edu
Grazyna Calhoun
Business Assistant I
Texas AgriLife Research
E-Mail: gacalhoun@ag.tamu.edu
Ronda Fisher
Senior Office Assistant
Texas AgriLife Extension Service
E-Mail: rkfisher@ag.tamu.edu
Patty Garrett
Office Assistant
Texas AgriLife Research
E-Mail: pagarrett@ag.tamu.edu
Lupe Garcia
Maintenance Foreman II
Texas AgriLife Research/Texas AgriLife Extension Service
E-Mail: lpgarcia@ag.tamu.edu
Leon Guerrero
Senior Office Assistant
Texas AgriLife Extension Service
E-Mail: lguerrero@ag.tamu.edu
Jerri Hamar
Senior Office Assistant
Texas AgriLife Extension Service
E-Mail: jhamar@ag.tamu.edu
Coretta McClish
Senior Office Associate
Texas AgriLife Research
E-Mail: cjmcclish@ag.tamu.edu
Ronnie Smith
Senior Custodian
Texas AgriLife Research and Extension Center
E-Mail: rasmith@ag.tamu.edu
