Our Staff

Michael Overton, DVM
Dr. Overton is from Paint Creek, Texas, a small farming community north of Abilene. He graduated from Texas A&M University in 1966 with a degree in physical education, and spent four years as an Army aviator, serving in Vietnam. Afterwards, he decided to return to school to pursue his doctorate in veterinary medicine and graduated from Texas A&M University a second time in 1977. He has been in practice in Allen since 1978 and opened Allen Veterinary Hospital in 1986. He and his wife, Linda, have been married since 1968. They have two daughters, a son-in-law, and two grandsons. At this time they have two dogs and a bird, though others come and go. Dr. Overton enjoys all animals and the people who love them.

Alan Coffman, DVM
Dr. Coffman joined the staff of Allen Veterinary Hosptial in 2003. He grew up in Bartlesville, OK, where he graduated from Bartlesville High School in 1992. He served a two year mission in Fresno, CA, for the Church of Jesus Christ of the Latter Day Saints. He graduated from Brigham Young University with a degree in Animal Science in 1998, and received his Doctor of Veterinary Medicine degree from the College of Veterinary Medicine at Oklahoma State University in 2003. He and his wife, Amy, have been married since 1996 and have a three year old son named Samuel. The Coffmans enjoy spending time with Sam, and they are looking forward to the birth of their second child in August. At this time they have two dogs, Pollywog and Ladybug.

Lea Marlborough, Office Manager
Lea grew up in Tennessee. She joined the staff of Allen Veterinary Hospital in 1988. Lea and her husband, Ed, have been married since 1984. They have two children, Megan and Matthew. They currently have one dog.

Linda Overton, Clinic Bookkeeper
This is Dr. Overton's wife. She is not always seen at the clinic, because she does a lot of her work at home. She has been married to Dr. Overton since 1968, and they have two daughters, a son-in-law, and two adorable grandsons. They are expecting a granddaughter in September.

Kathie Evans, Receptionist
Kathie grew up in Dallas and graduated from W.W. Samuel High School. She attended Grayson County Community College and Collin County Community College. She has three children and several grandchildren, along with three cats, two dogs, and a bird. Kathie loves animals, gardening,
people, and pets.

Janice Mauldin, Receptionist
Janice has worked at Allen Veterinary Hospital since the summer of 2006. She has three children, Jessica, Devon, and William. She enjoys spending time with her family and watching kareoke with her friends. Janice has two dogs, two cats, and a sugar glider at home. She enjoys the people that she works with, as well as working with the many animals at the clinic.

Victoria Hawkins, Receptionist
Victoria has worked at the clinic since June, 2006. Originally from Arkansas, Victoria lives with her husband, Pete, and their four daughters. She has another baby on the way. Victoria enjoys spending time with her family, going to the movies, and listening to her husband's band. The family has six dogs, a snake, and an African bullfrog. Victoria likes working with her coworkers at the clinic and seeing the many varieties of animals that come in. She also enjoys being able to help the clients.

Ellen Thomas, Technician
Ellen Thomas has worked at the clinic since 1995, starting out as a kennel worker and then working as a receptionist and, later, technician. She is a recent graduate of Texas A&M Galveston, with a degree in Maritime Administration. Ellen has four cats: Miles, Bud, Davis and Mr. Mau, all of whom were rescue kittens from the clinic.

Doug Ketcham, Technician
Doug worked at the clinic in the kennel for five years before recently returning as a technician. A native Texas, Doug is a graduate of Allen High School. He lives with his parents and two younger sisters in Allen. In his spare time Doug enjoys watching TV and movies, playing poker, hunting, fishing, and off-roading. He has four cats at home. His favorite, Chub Chub, was adopted from the clinic. Doug likes the people and the animals that he works with here.

Michael Cartwright, Technician
Michael has worked at the clinic as a technician since January, 2006. He is from Tulsa, Oklahoma, and plans to return in the fall to begin a pre-vet program there. His family includes his parents and two sisters, and he has two Walker coon dogs, Roofus and Roxanne. He spends his leisure time with his girlfriend, and he likes to play the drums. Michael enjoys working with the staff, learning from the doctors, and getting to know the animals at the clinic.

Celeste McQuiddy, Technician
Celeste has worked at Allen Vet. Hospital since July, 2006. Originally from Angel Fire, New Mexico, she previously worked at the Stray Hearts Animal Shelter in Taos, New Mexico. She and her husband, Nick, have two dogs and two cats. Nick is a chef, and they both enjoy travelling. Celeste enjoys working at the clinic where she can help animals who cannot tell us what is wrong.

Sonya Renae Mitchell, Technician
Sonya has worked at the clinic since November, 2006. She grew up in east Texas and she has been working in the veterinary field since 1998. The eldest of five children, Sonya's family still lives in east Texas and the Dallas area. She and her roomate have three dogs. When she is not working she enjoys spending time with her friends, playing with her dogs, and watching TV and movies. Sonya enjoys the family feeling at the clinic, and she finds the work, the clients and their pets very interesting.

Tyler Ivie, Technician
Tyler began working at Allen Vet. Hospital in March, 2007. He is a country boy from Idaho who is currently pursuing his education in veterinary medicine. Tyler and his wife, Tammy, have a ten year old pug. In his leisure time he enjoys sports, hunting, and fishing, as well as being with his wife. Tyler enjoys the variety of work at the clinic and the friendly staff. He also likes communicating with the clients about their pets.

Cathy Tol, Receptionist
Cathy has worked at the clinic as a receptionist since April, 2004. Originally from Sherman, she attended Grayson County Community College. Cathy and her husband, Ron, have two teenaged sons, as well as four dogs and three cats. Besides caring for her family and pets, Cathy likes to go boating, shopping, and working in her yard. She loves working at the clinic because it is never boring and there is always something exciting going on. She enjoys working with the doctors and staff, and she continues to learn new things.

Kelli Kerutis, Receptionist
Kelli has worked part time as a receptionist since August, 2004. Originally from Liberty, Texas, Kelli is a registered medical assistant who decided to work with animals instead of people. She and her husband have two daughters and three grandchildren, as well as four dogs and two abandoned cats. She loves seeing the many kinds of animals that come into the clinic. In her leisure time Kelli enjoys caring for her family and pets, riding horses, water skiing, snow skiing, and gardening.

Morgan Polcer, Receptionist
Morgan has been working at the clinic since January, 2007. While her husband is serving in Iraq, Morgan and her daughter Emma are living with her mother. They have six dogs at home Morgan is from Texas and has a background in massage therapy. She enjoys everything about her job.

Katy Dickson, Receptionist Katy began working at the clinic in May, 2007. She is from Wylie, and has completed her first year of college. Katy has previously worked in day care, and for an insurance agency. She lives with her mother and two sisters, and they have three dogs, three cats, and two fish. In her spare time, Katy likes to hang out with her friends and her boyfriend. She enjoys working at the clinic because she loves being around animals.

Andrew Veibell, Kennel Worker Andrew has worked at the clinic since April, 2007. He is pictured here holding one of our clinic cats, One-Eyed Jack. A high school graduate, Andrew lives with his family in Allen, and he has two brothers and two sisters. He also has two dogs, two cats, and a Siamese fighting fish. In his spare time, Andrew enjoys playing video games, drawing Manga (Japanese coloring book style), and creative writing. He likes taking care of the animals at the clinic.

Ashley Mangrum, Kennel Worker Ashley, kennel worker, started working at the clinic in May, 2007. A recent high school graduate, Ashley likes to play soccer, swim, and hang out with her friends. She lives with her parents and sister in Allen. Ashley has a Shitzu puppy named Abby and a dove named Tan. She enjoys working at the clinic, and walking the dogs, because of the animal interaction.