Meet the friendly staff at The Animal Hospital of Celina!

  • Allison M. Stead

     Dr. Allison Morse (Schultz) Stead graduated from Texas A&M College of Veterinary Medicine and has been practicing small animal medicine in the north Dallas area for over 30 years.  Dr. Stead worked in a large 6 doctor practice in Plano for many years, as well as working at an emergency clinic. She was the lead veterinarian for the City of Plano Animal Shelter providing surgical and medical needs for the shelter animals.  She opened The Animal Hospital of Celina in 2004.  Dr. Stead's areas of interest are surgery, feline medicine and veterinary practice management. Dr. Stead loves talking with clients and providing a personal touch through both client communication and excellent patient care. Dr. Stead is married to Doug Stead, a former executive in the auto business.  They have 3 children.  Kaylyn Schultz Appleyard is married and received her bachelor's and  master's degree from Baylor University.  Lauren Schultz graduated from the United States Military Academy at West Point, New York in 2020. She is in graduate school currently.  Travis Stead is the finance manager at Mercedes of Baton Rouge, Louisiana.  Dr. Stead and her husband have 2 dogs, Sammy, a Bouvier and Tucker, a Golden Retriever.  They also have 3 cats, Howard (pictured here), Bunny and Norman, a Ragdoll cat.  Dr. Stead loves to read, work on her little farm and travel. 

  • Clara B. Vadala
    Associate Veterinarian

    Dr. Clara Bush Vadala provides veterinary care for dogs, cats, birds, exotics, pocket pets, small mammals, and reptiles.  She is a graduate of Texas A&M University College of Veterinary Medicine.  She is a native of Celina and is happy to be back in her hometown!  Besides caring for a variety of species, Dr. Vadala has a special interest in birds, surgery, internal medicine and behavioral medicine.  She enjoys meeting and talking with clients and building relationships with them and their furry family members.  Dr Vadala is married to Adam Vadala, who is an elementary school music teacher in Van Alstyne.  They have 3 dogs, Lulu, a pit bull mix, a Lab named Zeus (both shown here), and Nema, a shepherd mix.  They have 3 cats, Treble, Sonnet and Isabel, a cockatiel named Kenneth, and 2 rats, Izzy and Jamie. Dr. V also enjoys writing poetry in her spare time.  A fun fact about Dr. Vadala is that she is a published poet and published her first book while in vet school. (Prairie Smoke:Poems from the Grasslands)!

  • Traci Wysocki
    Receptionist/Client Specialist

    Traci works as a receptionist and client specialist.  Traci has worked for our hospital since May 2018.  She brought over 8 years of experience as a veterinary assistant as well as working for a dog boarding facility and on a horse farm.  She is married to Tom Wysocki, and has three children, Thomas, Megan and Michael.  Her four legged children include 3 dogs, Nathan a miniature Dachschund, and Piper the Pomeranian (shown here).  She has a new baby, a Bernese Mountain Dog, named Holly. Traci was born and raised in Highland Mills, New York. 

  • Emma Bee
    Veterinary Assistant

    Emma has worked as a member of our team since May 2016.  She works as a veterinary assistant and also uses her knowledge of birds and exotics to assist Dr. Vadala.  Her previous work experience includes bathing dogs in a grooming facility and volunteering as a boarding kennel assistant.  She is currently taking classes for her undergraduate degree at University of North Texas in Denton.  Her animal family includes Lacy 'Bean', a mixed breed dog, Pistol, a Pit Bull mix (both pictured here), two cats, Odin and Salem, and a fancy rat named Mara.  Emma grew up in Killeen/Fort Hood, Texas. 

  • Shannon Dickson
    Kennel Manager

    Shannon became our kennel manager in August 2018.  Previously, she worked as a kennel manager for 11 years in the same location!  She provides excellent care to our boarding pets while keeping the area spotlessly clean and organized.  She graduated from Ivy Tech College as a medical assistant.  She is married to Scott Dickson, and has 2 sons, Chase and Colten.  She shares her home with two awesome labs, Duke (shown here) and Lucy.  Shannon grew up in Indiana and Kentucky.

  • Kalena Foy
    Veterinary Assistant

    Kalena joined us as a veterinary assistant in August 2020. She grew up just outside Los Angeles on the coast where her interest in all creatures started at a very early age.  She has worked with various animals from kangaroos and ostriches to snakes and insects.  Although she has only been working as a vet assistant since 2018, Kalena has volunteered and worked with animals since she was 10 years old.  She is currently going to school to get her veterinary technician license.  Kalena shares her home with her boyfriend Mason, her lovebird Kai (pictured here), cat Isabelle, rescue hamster Piglet, and a variety of scaly (Fynn is pictured here!) and eight legged friends.  

  • Lissa Bostick

    Lissa first joined our Celina Team in 2005.  She took time off when she had her children, but is now back with her years of experience in veterinary medicine!  Lissa is originally from Colorado.  When she moved to Texas, she attended vet tech school, and went to work as a vet tech in Dallas, TX.  When Dr. Stead graduated from vet school, she went to work at this same practice.  Lissa and Dr. Stead have worked together for most of the last 30 years!  Lissa has great compassion for, and extensive knowledge of vet patient care, as well as surgical and dental assistance.  Lissa is married to John Bostick, and they have 3 children, Rebekkah, Riekkhen, and Rikkalah.  Their other kids include 9 dogs, 6 cats, and 5 birds.  In her free time, Lissa enjoys her animals, collecting, and watching nostalgia tv. 

  • Danee' Jensen

    Danee' joined our team in September 2019.  She has over 30 years of experience as a pet groomer. 

  • Erica Benson
    Veterinary Assistant

    Erica brought her extensive experience to our team in December 2020.  She has been working in the veterinary field for 19 years.  Erica loves helping animals and their owners.  She lives in Sadler, with her loving husband Shane, and their son Justin.  The family has 2 pet family members, Whiskey, an Australian Shepherd (pictured here), and a 6 month old kitten named Mittens.  In her free time, Erica enjoys camping, and playing in the mud in their side-by-side. 

  • Kathryn Truman
    Receptionist/Client Relations

    Kathryn became a team member at our hospital in December 2020. She works at our reception desk, coordinating appointments, greeting clients (currently by phone), and organizing our patient schedules.

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Office Hours

Our Regular Schedule


8:00 am-6:00 pm


8:00 am-6:00 pm


8:00 am-6:00 pm


8:00 am-6:00 pm


8:00 am-6:00 pm


8:00 am-12:00 pm