About Us

Meet our staff of experienced veterinarians and technicians.


Our veterinary clinic is fully accredited by the American Animal Hospital Association based on a quality review of our veterinary practice methods, pet health care management, facility and equipment in addition to a stringent evaluation of more than 900 standards in patient care, client service and medical protocols. Only 12 percent of small animal hospitals in the U.S. have achieved this accreditation.

Our Veterinarians and Staff

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      Holly Cogswell

      Doctor of Veterinary Medicine & Practice Owner

      Dr. Cogswell has owned and led Aurora Animal Hospital since 2003. A graduate of Colorado State University, one of the world’s leading veterinary schools, she also completed an externship at the prestigious Angel Memorial Animal Hospital in Tokyo and received her Certification in Veterinary Acupuncture from CSU. Caring and experienced, Dr. Cogswell is a veterinarian whose life-long love for animals pushes her to care for your pets as passionately as she does for her own. A Colorado native, Dr. Cogswell looks after a critter family including kitties Ling, Bodhi & Scout, Bam Bam the puppy, Poe the bunny, Harry the chameleon and backyard chickens Mabel, Audrey & Alice.

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      Stefanie Tande

      Doctor of Veterinary Medicine

      Dr. Tande earned her Doctor of Veterinary Medicine Degree from Tufts University in Boston after earning a degree in Biochemistry from Case Western Reserve University. She completed an internship at Wheat Ridge Animal Hospital before joining our team. Caring and enthusiastic, Dr. Tande is gifted in her knowledge of current veterinary practices and has special interests in preventative care, dentistry, geriatric care, and internal medicine. A native of North Dakota, Dr. Tande lives with kitties Lao-Tzu & Siddhartha.

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      Aziz Chughtai

      Doctor of Veterinary Medicine

      Dr. Chughtai is a graduate of the Cummings School of Veterinary Medicine at Tufts University and he also holds a Masters of Public Health degree. Innovative and thoughtful, Dr. Chughtai brings great care for the well-being of his patients and their owners in all that he does. A native of Iowa, Dr. Chughtai shares his home with kitties Lao-Tzu & Siddhartha.

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      Dayna Willems

      Doctor of Veterinary Medicine

      Dr. Willems earned her Doctor of Veterinary Medicine Degree from the prestigious Texas A&M University after completing her Biomedical Science degree. Dedicated and compassionate, Dr. Willems has special interests in preventative care, emergency medicine, surgery, and exotic animal medicine. A Texas native, Dr. Willems has a BIG animal family including dogs Moki & Bogart; cats Izzy & Pangur Ban; chameleons Loretta, Buster & Kal; tortoises Keeva & Pancakes; turtles Calvin, Hobbes, Layla, Spot & Dot; axolotls Ariel & Ponyo; and, Franklynn the iguana.

    • Tanya Strickland

      Tanya Strickland

      Doctor of Veterinary Medicine

      Dr. Strickland earned her Doctor of Veterinary Medicine Degree from the renowned Iowa State College of Veterinary Medicine. She has also completed the International Veterinary Acupuncture Society (IVAS) program. Progressive and experienced, Dr. Strickland has special interests in acupuncture, herbal medicine and exotic animal medicine. A New Jersey native, Dr. Strickland’s animal family includes dogs Lola, Buddy & Gent and kitties Harry & Sally.

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      W. Preston Stubbs

      Doctor of Veterinary Medicine & Surgery Specialist

      A trusted member of our extended team, Dr. Stubbs is a Board Certified surgeon by the American College of Veterinary Surgery (ACVS). As owner of Mile High Veterinary Surgical Specialists, he brings deep experience and specialized skill to our surgery services. Dr. Stubbs received his DVM degree from the Virginia-Maryland Regional College of Veterinary Medicine, received his internship training at Cornell University and completed his residency in small animal surgery at the University of Florida. A published author of articles for medical journals, speaker and consultant to numerous zoos and animal rescue organizations, Dr. Stubbs is brings a wealth of experience to our hospital.

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      Linda Konde

      Doctor of Veterinary Medicine & Radiology Specialist

      A trusted member of our extended team, Dr. Konde is a Board Certified radiologist. A member of the American College of Veterinary Radiologists and owner of Diagnostic Imaging (a business she established in 1991), she brings tremendous experience in radiology including ultrasound. Dr. Konde received her veterinary degree from Michigan State University in 1976, interned in private practice for one year and then completed a 3-year residency in radiology at The Ohio State University. Dr. Konde taught at Colorado State University as an assistant professor from 1980-1987. During that time, Dr. Konde was one of the pioneers in veterinary ultrasound; she published several articles, lectured at veterinary meetings, and authored several book chapters on veterinary ultrasound and radiology. She also taught at North Carolina State University for two years before establishing Diagnostic Imaging in 1991.

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      Ashley Larson

      Practice Manager

      A devote animal lover, Ashley keeps our practice running efficiently so your experience with us is consistently smooth and reliable. She’s committed to your satisfaction, and to making sure your pets always receive the best possible care. She is a graduate of the University of Colorado at Denver and has completed AAHA’s Veterinary Management School program. Though she's a Denver native, Ashley has worked in veterinary hospitals in Portland, Oregon & Santa Barbara, California, including a 24hour emergency hospital. Ashley lives with her brood that includes dogs Tiger & Diver, cats Olive Oyl & Mowgley, and seahorses Eleanor & Franklin.

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      Kelley Holmes

      Assistant Manager & Customer Care

      Kelley’s compassion for animals and passion for customer service will welcome you when you walk through our doors. As our Team Manager and head receptionist, she’s responsible for making sure your visit is smooth and always a great experience. A Colorado native with a degree in Biology from the University of Northern Colorado, Kelley also cares at home for dogs Cyrus & Vita, Ru the bunny, and leopard geckos Puka & Zulu.

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      Erica Lemacks

      Customer Care & Certified Veterinary Technician

      A Certified Veterinary Technician from Bel-Rea Institute, Erica really enjoys working with our clients in Customer Care. Her CVT training is invaluable in helping our clients through their visit with us. A native of North Carolina, Erica's passion for animals shows at work and at home, she's a foster mom for the Denver Dumb Friends League and has fostered over 100 animals since 2009. In addition to her furry foster family she has a dog, Teddy, cats Toby, Mister, Neko & Tiny, and fish.

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      Kayleigh Taylor

      Customer Care

      Kayleigh is part of our Customer Care team that greets you at the hospital and helps your through your visit. She brings her calming personality and desire to provide the best service possible to make your time with us the best it can be. A Virginia native, at home she loves on Spike the dog.

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      Andrea Spagnolie

      Customer Care

      Andrea is part of our Customer Care team that greets you at the hospital and helps your through your visit. With a degree in business from the University of Denver, Andrea's professionalism and commitment to client care will make your time with us the best it can be. A Colorado native, Andrea lives with and loves her dogs Tucker & Ernie.

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      Rose Couffman

      Certified Dog Trainer & Customer Care

      With the philosophy that there is a humane, effective and balanced way to communicate with any dog, Rose leads our dog training program featuring our New Puppy Classes, in addition to working as part of our awesome Customer Care team. With an American Kennel Club Canine Good Citizen Evaluator Certificate, Rose has been teaching people to effectively communicate with their dogs for over 10 years and specializes in the following: Canine Good Citizen Training; Basic & Intermediate Obedience; Fear, Anxiety and Aggression Training; Baby Proofing; and more! A Colorado Native, Rose shares her home with dogs Rockey & Gerodi and Miles Davis, the cat.

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      Christina McGruder

      Certified Veterinary Technician

      Earning a degree in Equine Sciences from Colorado State University, Christina started with us as an intern and became a Certified Veterinary Technician after earning her second degree from Bel-Rea Institute. Her warm smile and caring touch will put even the most anxious pet at ease. A Colorado native, Christina lives with her dog Bella and kitty Gracie.

    • Mistie Pruitt

      Mistie Pruitt

      Certified Veterinary Technician

      A graduate of prestigious Bel-Rea Institute with an applied science degree in Veterinary Technology, Mistie brings over 8 years of experience to our hospital. Mistie moved here from Alabama and shares her home with two dogs, Leighlou & Brody, and a cat named Rikku.

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      Meg Fry

      Certified Veterinary Technician

      A Certified Veterinary Technician with a degree from leading Bel-Rea Institute, Meg brings her enthusiasm and great care for animals to working with our team and patients. A native of Ohio, Meg loves on her kitty Foofers.

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      Cailin Jones

      Certified Veterinary Technician

      Dedicated and caring, Cailin studied Zoology at CSU and became a Certified Veterinary Technician at the Community College of Denver. A Pennsylvania native, Cailin lives with dogs Mist, Pono & Smokey.

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      TIffany Pinkerton

      Certified Veterinary Technician

      A graduate of innovative Bel-Rea Institute, Tiffany brings experience and compassion to her role as Certified Veterinary Technician. A Colorado native, Tiffany shares her home with chihuahuas Chico & Lotus, and Spade the cat.

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      Kat Suhova

      Veterinary Assistant

      Driven by her love of animals, Kat started as a volunteer and is now employed as one of our valued Veterinary Assistants. After high school she plans to attend college with a pre-veterinary emphasis. Originally from St. Petersburg Russia, Kat moved to the U.S. in 2001 and at home cares for kitties Alice & Beatrice, and Sammy the dog.

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      Kenny Angelo

      Veterinary Assistant

      Passionate about animals, Kenny loves providing the best care possible for your pets as a valued Veterinary Assistant, and one day aspires to attend veterinary school. A Colorado native and graduate of Cornell University, Kenny's furry family includes Daisy the dog and Ginger the cat.

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      Cejay Dawson

      Veterinary Assistant

      With prior experience caring for pets at a well-regarded doggie daycare, Cejay just plain loves people and their pets and works hard to provide the care you expect from us. An Ohio native, Cejay loves her dogs Choochee & Peysyn and Clair the kitty.

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      Lauren Slagle

      Veterinary Assistant

      Very experienced in the veterinary world, Lauren brings her compassion and energy for animals to working with our team and patients. A native of Arizona, Lauren shares her home with dogs Bentley & Maverick and a chinchilla named Rocky.

The Scratching Post

Hypoallergenic, Allergy-Free Dogs?

I feel so sorry for families and individuals who never get to experience the tender love and joy of having a pet share their lives. So many want a dog, but can’t tolerate the allergy symptoms of sneezing and itchy, teary eyes; or worst, allergies for children with asthma can be life threatening. In recent […]

on February 5th, 2015 // No Comments »

Happy and Safe Halloween for Your Pets

Halloween is one of my favorite holidays! I don’t even need the candy. Getting to dress up and get together with friends is all I need. Even at Aurora Animal Hospital, we all dress up and have a costume contest for our animal friends and hand out safe treats. But, halloween can be dangerous for […]

on October 17th, 2014 // No Comments »

Fear of Fireworks

I love the Fourth of July! Don’t you? I must admit I have a particular fondness for fireworks. I love the flashing lights, shower of sparks, whizzing whistles…even the burning chemical odor! Sadly, this thrill of mine is torture for my animal friends; the Fourth of July is truly the most terrifying and dangerous day […]

on July 3rd, 2014 // No Comments »