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Staff

  • George Haggerty
    DVM
    Practice Owner, Veterinarian, and Surgeon

    Marina has been my life for nearly 40 years, when we first opened our doors. I enjoy seeing all of my clients and patients over the years. Chip, Genttrree, Nikki, and my cats are just some of my pets, but I also have horses and a few goats. I enjoy spending time with my family and watching TV, and football.

  • Susan Christian
    DVM
    Veterinarian and Surgeon

    After 24 years of being with Marina, I enjoying performing surgeries and wellness exams every day. At home, I enjoy gardening, fishing, and playing hand bells for my church. I have several pets, Nova the English Mastiff, Lulu and Hazelnut both French Bulldogs, Pip the Terrier Mix, Frog and Toad the cats, and Rio a Mexican Red Head Parrot.

  • April York
    DVM
    Veterinarian

    I love being at Marina, it’s been 14 years since I first came to join the family. I have a lot of pets at home too, Boots, Bella, Lizzy, Casper, Buzz, Peanut, Keto, Fred, and last but not least Coco. I enjoy being able to help prevent diseases and seeing others recover and go home happy and healthy. I also enjoy spending time with my family and watching my kids during their activities, as well as participating in CrossFit and running.

  • Steven Slusher
    DVM
    Veterinarian

    I’ve been here for 11 years now. I like the challenges from complicated cases that aren’t often seen. My wife and I currently have no pets at home. Away from work, I enjoy exercise, shooting, boating, fishing, and traveling.

  • Chrystal Gregg
    DVM
    Veterinarian and Surgeon

    I’ve been with Marina for 4 years. I like performing surgery on all of our furry patients. I have 4 cats at home, and enjoy reading when I’m not at the clinic.

  • Nicole Mason
    DVM
    Veterinarian

    I will have been here for 4 years this summer, and enjoy seeing all the interesting cases that we have come in. I have several pets; 2 dogs, Shadow and Baxter; 2 cats, Cricket and Shadow; and 1 horse, Debut that lives with my parents in Kansas. Away from Marina, I enjoy spending time with my family, running and have even complete several marathons.

  • Katharine Monnet
    DVM
    Veterinarian

    I’ve been here for almost 3 years. I love birds, and have 5 of my very own, all cockatiels, Brensy, Sunshine, Bettes, Emster, and Mr. Handsome. I like seeing all the different patients that come in to see me. I like reading a wide variety of books at home.

  • Phillippa Simmons
    DVM
    Veterinarian

    After graduating from Ross University School of Veterinary Medicine, I began working at Marina in April, 2017.  One aspect of my job that I enjoy is dermatology.  I especially enjoy providing relief for the itchy or uncomfortable pet and giving peace of mind to the worried owner.  In my free time, I enjoy traveling around Oklahoma since I am still a new resident.  At home, I have 4 dogs: Adam, a  Scottish terrier mix; Lee, a Boston terrier mix; Joe, a Rottweiler mix; and Maximus, a German Shepherd.  I also have one cat, Titus, a tuxedo, who generally likes to keep to himself!

  • Enrique Lopez-Calleja
    DVM
    Veterinarian, Bilingual

    For nearly a year, I’ve been providing care for the patients at Marina. I enjoy seeing exotics as well as helping heal sick pets. I have a 9 year old cat Waffles, 2 saltwater reef tanks, and a few exotics of my own, Beef a 15 year old Red Tegu and Burrita, a 10 year old Black and White Tegu. On my days away from the clinic, I like spending time with my girlfriend, fishing, camping, cooking, and playing video games.

  • Mariann Haggerty
    Office Manager

    I’ve been with Marina for 27 years, where I enjoy taking care of the patients as well as the clients’ needs. I have 3 dogs, Trynnitee the English Bull dog, Raynnee a Yorkshire Terrier Mix, and Leennkynn a Great Dane, and my cat Gremlin. When I’m not at work, I enjoy spending time riding horses for barrel racing, driving my 2010 V8 customized Camaro, or riding my Harley.

  • Heather Potter
    RVT
    Manager, HR, Licensed Technician

    I’ve been with Marina for 23 years. I enjoy helping all the sick and injured patients. I have several pets at home including 3 dogs, Hippie the Labrador Mix, Mavis the Chinese Crested, and Bella the Chihuahua; as well as a few cats, MeowMeow, Monster, and Willie the Sphynx. I enjoy watching my children’s wrestling and baseball activities and spending time with my granddaughter.

  • Victoria Oliveira-Brown
    RVT
    Licensed Technician, Fear free certified Level 1

    I’ve been with Marina for nearly a year. I have 2 cats, Lazzlo and Truffles and a Pomeranian named Rigby. I like providing care for my patients and advocating for their well-being. I also enjoy belly dance classes, and playing video games.

  • Theresa Panther
    Veterinarian Assistant

    I’ve been with Marina for 16 years. I have several pets at home, including Gaby, a Miniature Poodle; Gracie, an Australian Shepherd; Faith, a Chihuahua; and my cats Tiny, Tommy Boy, Willie, and Stormey. I enjoy taking care of all the patients at the clinic, and taking x-rays, assisting in C-Sections, and placing IV catheters. I enjoy watching movies, when I’m at home.

  • April Judd
    Certified Veterinarian Assistant

    After 12 years, I have a lot of favorite things about my job; especially assisting with C-sections and newborn care. I have a Maltese named Becky, and 3 cats, Boo, Kingston, and Fiona. When I’m not here, I like spending time with my children, taking naps, sewing, painting, and listening to music.

  • Jennifer Randolph
    Certified Veterinarian Assistant

    I’ve been with Marina for 12 years. I love what I do and getting to help all the patients. I have 1 cat, Banana; and 1 dog, Emma. When I’m at home, I enjoy spending time with my family, watching the Cowboys play, crocheting, and anything and everything outside like camping, traveling, or especially off-roading our Jeeps.

  • Peggy Isbester
    Veterinarian Assistant

    I’ve been with Marina for 4 and a half years now. I like the feeling of helping an animal in need and learning new things every day. I have 3 pets; a 2 year old Bloodhound, Andre; a 6 month old Rottweiler, Dandy; and a 4 years old Sphynx named Weezer. I enjoy Yoga, taking long walks, hiking, camping, and fishing.

  • Stefani Aguilera
    Receptionist, Bilingual

    I recently had the joy of having my first child, and I love him so much! I’ve been here for a little over 3 years. I have one dog, Juno. I love Pit Bulls and enjoy being an advocate for them. I like seeing the regular clients and their sweet Pittys every day.

  • Brandi Arnett
    Receptionist and Kennel Attendant
  • Megan Mitchell
    Receptionist
  • Ginger Meeker
    Receptionist
  • Jesse Witt
    Kennel Attendant
  • Clarisa Gonzalez
    Bilingual Kennel Attendant
  • Lacy Rankin
    Kennel Attendant
  • Ana Duran
    Bilingual Kennel Attendant
  • Edwin Cruz
    Bilingual Kennel Attendant
  • Erin Andrews
    Kennel Attendant
  • Janie Harges
    RVT
    Registered Veterinary Technician
  • Sasha Sasser
    Kennel Attendant
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