Skip Navigation
Oklahoma State University

Food Animal Faculty and Staff


Melanie Boileau, DVM, MS, DACVIM

melanie boileau

Dr. Boileau is an associate professor and the Food Animal Section Chief at Oklahoma State University Veterinary Medical Hospital. Originally from Québec, Canada, Boileau received her DVM from the University of Montreal in 2000. She then went on to complete a one year internship in food animal medicine and surgery at the same institution. Following the internship, Boileau began her three year residency training in food animal internal medicine at Oklahoma State University. While completing her residency she simultaneously earned her master’s degree in 2004. She became a diplomate of the American College of Veterinary Internal Medicine (ACVIM) – Large Animal in 2004. Boileau worked as an Assistant Professor in the Agricultural Practices department of Kansas State University for one year then came back to Oklahoma and joined the faculty at Oklahoma State University in 2005.

In 2014, she was appointed as Chair of the Clinical Professorship in the College of Veterinary Medicine (CVHS), a position endowed by the McCasland Foundation. Her scholarly interests include small ruminants and camelid medicine and critical care of sick neonates. Boileau’s research focuses on non-antimicrobial treatment alternative for pinkeye in cattle using predatory bacteria Bdellovibrio bacteriovorus.

John Gilliam, DVM, MS, DACVIM, DABVP

john gilliam

Dr. Gilliam is an associate professor of Food Animal Production Medicine and Field Services at Oklahoma State University Veterinary Medical Hospital. Originally from Macomb, OK, he completed his DVM from Oklahoma State University in 2001. He practiced in a mixed animal practice in Dalhart, TX for two years before returning to Oklahoma State University in 2003 to pursue a residency in Food Animal Internal Medicine. Gilliam completed an MS in Veterinary Biomedical Sciences and became a diplomate of the American Board of Veterinary Practitioners-Food Animal in 2006. He served as a lecturer in Food Animal Medicine from 2006-2009 and became a diplomate of the American College of Veterinary Internal Medicine in 2008. Gilliam became a Clinical Assistant Professor in 2009.

Gilliam's primary professional interests include beef cattle production medicine, internal medicine and bovine theriogenology. His primary research interests include welfare of production livestock and humane euthanasia.

Meredyth Jones, DVM, MS, DACVIM-LA

meredyth jones

Dr. Jones is an associate professor. She received her DVM from Oklahoma State University in 2002. Jones entered a private mixed-animal practice in Brandenburg, Ky., later completing a residency in Large Animal Internal Medicine with an emphasis on Food Animal. She received a MS degree in Veterinary Biomedical Sciences at Oklahoma State University. She then taught food animal field services at Kansas State and Texas A&M. Jones joined the food animal faculty at Oklahoma State in the fall of 2018.   

Robert Streeter, DVM, MS, DACVIM

robert streeter

Dr. Streeter is an adjunct associate professor of Food Animal Medicine & Surgery at Oklahoma State University. He is board certified by the American College of Veterinary Internal Medicine – Large Animal. He developed his interest in veterinary medicine being raised on a 4000 acre diversified livestock operation in southwestern South Dakota which produced cattle, sheep and horses. He received his B.S. and DVM from Oklahoma State University. After graduation, he worked as an associate veterinarian in a mixed animal practice in Bolivar, Missouri for two years. Streeter then undertook a residency in Food Animal Medicine & Surgery and earned his master’s degree at Ohio State University conducting research on Johne’s disease in cattle. He returned to OSU in Stillwater in 1992 as a Food Animal Clinician and has enjoyed treating patients and teaching students ever since. He has particular interest in diagnostic ultrasonography, management of lameness and gastrointestinal and urologic surgery. Streeter has contributed to several scientific publications.


Elizabeth Crabtree, DVM

elizabeth crabtree

Originally from Ardmore, Oklahoma, Crabtree earned both her bachelor’s and DVM degrees from Oklahoma State. Her research interests are cardiovascular Disease in Feedlot cattle and neonates. Crabtree previously worked as a Livestock Medicine, Surgery, and Field Service intern at Colorado State University.

In her free time, Crabtree enjoys hiking, shooting clay targets and gardening.

Bryan Weaver, DVM

bryan weaver

Originally from Center Point, Texas, he earned his DVM degree from Texas A&M University. Weaver's research interests include cattle lameness, production medicine and efficiency.

In his spare time, Bryan enjoys cooking, hunting, fishing, and kayaking.

Natasha Williams, DVM

natasha williams

Originally from Adelaide, Australia, she earned her DVM degree at the University of Melbourne. Williams' research interests include emergency medicine and respiratory issues.

A true Australian, her first word was "kangaroo." In her spare time, Natasha enjoys hiking, reading, music, drawing, and hanging out with her dog.

Veterinary Technicians

 Ashley Wick, RVT

ashley wick

After graduating from Coalgate High School in 2004, Ashley attended Southeastern Oklahoma State University in Durant, Okla. Deciding it wasn’t the right fit; she moved to Allen, Okla., and attended Murray State College in Tishomingo, Okla. There she earned her associate’s degree in Veterinary Technology in 2009. After working in a mixed animal practice in Davis, Okla. for a year, she and her husband relocated to Stillwater, Okla. In 2010, Ashley accepted a job at Oklahoma State University working the overnight shift. From there, she moved to the Food Animal department in 2011. Her hobbies include riding horses, barrel racing, spending time with family and friends, and most of all her daughter Timber.

Jennifer Sisk-Milley, RVT

jennifer sisk-milley

Jennifer grew up in the small town of Locust Grove, Oklahoma where her parents run a small commercial black angus operation. Growing up, she bred and showed Pony of the Americas and worked her way through high school at a Thoroughbred breeding farm. She attended University of Kentucky while working at Rood and Riddle Equine Hospital in Lexington. Jennifer returned home and obtained her Associates in Veterinary Technology from Tulsa Community College in 2008. After briefly working in small animal emergency medicine, Jennifer and her family relocated to Stillwater in 2009, where she joined the Veterinary Medical Hospital staff as a Registered Veterinary Technician. Jennifer is a member of the AAEVT and her interests are equine colic and neonatal critical care. She is a Veteran of the United States Army National Guard and enjoys spending her time reading, cooking, spending time with her two beautiful children, and trying to spread awareness and be an advocate for her daughter with High Functioning Autism Spectrum Disorder.

Veterinary Assistants

Robin Jack


Originally from Hereford, Texas, Robin earned an associate degree in animal science from Clarendon College and a bachelor’s in animal science from Tarleton State University. She showed hoses on the Ranch Horae team at Clarendon College and currently raises beef cattle with her husband. In her spare time, Robin enjoys spending time with her husband and three dogs, visiting her home town in Texas and going to her in-law’s in southwest Oklahoma to work cattle.

Katlin Bullock

katlin bullock

Originally from Bartlesville, Oklahoma, Katlin received her bachelor’s in animal science from Oklahoma State University. Her research interests include neurology and cardiology. Katlin is third of nine children and in her spare time enjoys quilting and hiking and kayaking with her dogs, Flidais and Ezio.