Faculty/Staff

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
Regional Program Director, Agriculture & Natural Resources
Texas AgriLife Extension Service
E-Mail: gchandler@ag.tamu.edu

Joan Chandler
Regional Program Director, Family & Consumer Sciences
Texas AgriLife Extension Service
E-Mail: jchandle@ag.tamu.edu

Angela Burkham
North Region Program Director, 4-H & Youth Development
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
E-Mail:

Ed Bynum, PhD
Assistant Professor
Texas AgriLife Extension Service
E-Mail: ebynum@ag.tamu.edu

Ken Casey, PhD
Assistant Professor, Air Quality Engineering
Texas AgriLife Research
E-Mail: kcasey@ag.tamu.edu

Ken Cearley, MS
Extension Program Specialist, Wildlife Management,
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

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

James MacDonald, PhD
Assistant Professor, Beef Cattle
Texas AgriLife Extension Service
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

Jason Osterstock, D.V.M., PhD
Assistant Professor of Ruminant Animal Health
Texas AgriLife Research
E-Mail: jbosterstock@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

Wendy Scott
Extension 4-H Specialist
Texas AgriLife Extension Service
E-Mail: wmscott@ag.tamu.edu

Patrick Warminski
Extension Program Specialist, Risk Management
Texas AgriLife Extension Service
E-Mail: plwarminski@ag.tamu.edu

Amarillo Center Business Contacts

Kathy Wingate
Administrative Services Officer
Texas AgriLife Research
E-Mail: kwingate@ag.tamu.edu

Lori Martin
District Office Manager
Texas AgriLife Extension Service
E-Mail: lsmartin@ag.tamu.edu

Amarillo Center Professional Staff

Rodolfo Acosta-Leal, PhD
Assistant Research Scientist
Texas AgriLife Research
E-Mail: racosta@ag.tamu.edu

Jewel Arthur
Technician I
Texas AgriLife Research
E-Mail: jlarthur@ag.tamu.edu

Joe Bass
Research Associate
Texas AgriLife Research
E-Mail: jwbass@ag.tamu.edu

Johnny Bible
Research Assistant
Texas AgriLife Research
E-Mail: jbible@ag.tamu.edu

Rex Brandon
Research Assistant
Texas AgriLife Research
E-Mail: rebrandon@ag.tamu.edu

Fran Bretz
Research Associate
Texas AgriLife Extension Service
E-Mail: fbretz@ag.tamu.edu

Jack Bush
Research Associate
Texas AgriLife Research
E-Mail: kjbush@ag.tamu.edu

Emalee Buttrey
Extension Assistant
Texas AgriLife Extension Service
E-Mail: ebbuttrey@ag.tamu.edu

Al Caramanica
Research Chemist
Texas AgriLife Research
E-Mail: apcaramanica@ag.tamu.edu

Erica Cox
Research Assistant
Texas AgriLife Research
E-Mail: ecox@ag.tamu.edu

Ravindra Devkota, PhD
Assistant Research Scientist
Texas AgriLife Research
E-Mail: rdevkota@ag.tamu.edu

Kevin Heflin
Extension Associate
Texas AgriLife Extension Service
E-Mail: kheflin@ag.tamu.edu

Chanda Henne
Technician I
Texas AgriLife Research
E-Mail: cshenne@ag.tamu.edu

Don Henne
Assistant Research Scientist
Texas AgriLife Research
E-Mail: dchenne@ag.tamu.edu

Erin Jones
Research Assistant
Texas AgriLife Research
E-Mail: enjones@ag.tamu.edu

Rachel Lange
Agricultural Research Technician II
Texas AgriLife Research
E-Mail: ralange@ag.tamu.edu

Heather Lynn Lindon
Research Associate
Texas AgriLife Research
E-Mail: hllindon@ag.tamu.edu

Huangjun Lu
Postdoctoral Research Associate
Texas AgriLife Research
E-Mail: hlu@ag.tamu.edu

Matthew Luebbe
Postdoctoral Research Associate
Texas AgriLife Research
E-Mail: mkluebbe@ag.tamu.edu

Lanny McDonald
Research Associate
Texas AgriLife Research
E-Mail: lamcdonald@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

Jed Moorhead
Technician II
Texas AgriLife Research
E-Mail: jemoorhead@ag.tamu.edu

Jodi Patterson
Research Assistant
Texas AgriLife Research
E-Mail: jmpatterson@ag.tamu.edu

Albert Patton
Extension Assistant
Texas AgriLife Extension Service
E-Mail: afpatton@ag.tamu.edu

Sharon Sakirkin
Research Associate
Texas AgriLife Research
E-Mail: slpreece@ag.tamu.edu

Jacob Price
Research Associate
Texas AgriLife Research
E-Mail: japrice@ag.tamu.edu

Jacob Robinson
Research Assistant
Texas AgriLife Research
E-Mail: jwrobinson@ag.tamu.edu

Gina Rudd
Research Assistant
Texas AgriLife Research
E-Mail: rgrudd@ag.tamu.edu

Curtis Schwertner
Ag. Res. Technician II
Texas AgriLife Research
E-Mail: cwschwertner@ag.tamu.edu

Jonny Simmons
Research Assistant
Texas AgriLife Research
E-Mail: jsimmons@ag.tamu.edu

Madeleine Smith
Assistant Research Scientist
Texas AgriLife Research
mjsmith@ag.tamu.edu

Rex VanMeter
Farm Research Service Manager
Texas AgriLife Research
E-Mail: bvanmeter@tamu.edu

Roberto Villarreal
Research Assistant
Texas AgriLife Research
E-Mail: rfvillarreal@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

Mark Wood
Farm Research Service Manager
Texas AgriLife Research
E-Mail: mwood@ag.tamu.edu

Fekede Workneh, PhD
Research Scientist
Texas AgriLife Research
E-Mail: fworkneh@ag.tamu.edu

Amarillo Center Support Staff

Cathy Beavers
Business Assistant II
Texas AgriLife Research
E-Mail: cdbeavers@ag.tamu.edu

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

Brandi Burzynski
Office Assistant
Texas AgriLife Research / Texas AgriLife Extension Service
E-Mail: bburzynski@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

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

Jane Planchon
Senior Office Assistant
Texas AgriLife Extension Service
E-Mail: jplanchon@ag.tamu.edu

Les O'Neal
Farm Equipment Operator
Texas AgriLife Research
E-Mail: loneal@ag.tamu.edu

Diane Price
Senior Office Assistant
Texas AgriLife Research
E-Mail: ldprice@ag.tamu.edu

Ronnie Smith
Senior Custodian
Texas AgriLife Research and Extension Center
E-Mail: rasmith@ag.tamu.edu

Joe Toney
Systems Analyst I
Texas AgriLife Research
E-Mail: jltoney@ag.tamu.edu