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Oklahoma State University
Center For Veterinary Health Sciences

Healthy Animals - Healthy People

Meet the 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 Center for Veterinary Health Sciences (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 a Clinical Assistant Professor of Food Animal Production Medicine and Field Services at Oklahoma State University Veterinary Medical Teaching 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.

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.


Leslie Wagner, DVM

lesli wagner

Dr. Leslie Wagner is originally from deep south Texas where she grew up in an agricultural community. She went to Texas A&M University for both her undergraduate and her DVM. After doing her internship in Food Animal Medicine and Surgery here at Oklahoma State, she was fortunate enough to be able to stay on as a resident. Wagner has a particular interest in beef production, ultrasound, and lameness. After her residency, Wagner wants to work in a rural private practice helping to promote agriculture. Eventually, she would like to return to a teaching hospital to help teach future veterinarians and be able to work with extension programs.

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.

Arantxa Lasa, RVT

arantxa lasa

Arantxa was born in Venezuela and moved to the United States when she was five years old. Arantxa attended Broken Arrow High School, graduating in 2008. After high school, she went on to attend Oklahoma State University and received her bachelor’s degree in Zoology. After college, she took some time off and interned at the Cincinnati Zoo and Botanical Garden as an animal caretaker. Arantxa also spent one month in Zimbabwe interning on a lion rehabilitation reserve. In 2014, Arantxa started at Tulsa Community College in the Veterinary Technology program. Throughout school, she worked as a technician at a small animal and exotics hospital in Tulsa. After graduation from TCC, Arantxa accepted a job at OSU working as a food animal technician. Arantxa enjoys spending time with her animals, traveling and reading

Jennifer Sick-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.

Maranda Skaggs, RVT

maranda skaggs

Maranda was born and raised in Oklahoma. She graduated from Wagoner High School in 2011, and then from the Tula Community College Veterinary Technology program in the spring of 2015 with an associates degree in veterinary technology. In May of 2015, Maranda joined the large animal hospital at OSU, working as an overnight technician in both equine and food animal ICU. She is particularly interested in equine sports medicine and is a member of the AAEVT. She intends on furthering her education in the near future with the goal of moving forward in her career. Outside of work Maranda enjoys hunting, fishing, shooting, dancing and training her blue heeler, Ember.

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.

Chelsea Parrott


Originally from East Texas, Chelsea earned her bachelor’s in biology from East Texas Baptist University. In her free time she enjoys roping, riding and hunting.

Stephanie Gillham

stephanie gillham

Stephanie was born in Hicksville, New York and grew up in Hollywood, Florida. She earned her associate’s in veterinary technology from Sanford-Brown College. Stephanie was in the Venturing Program sponsored by the Boy Scouts of America in high school. In her spare time, she loves to spend time outdoors; she loves fresh air and star gazing.