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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      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 cats Izzy & Pangur Ban; chameleons Kal, Pearl, Jade & Tiki; turtles Callie, Hallie, Dory, Emmy, Spot, Roo, & Darcy; Keeva the tortoise; 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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      Abby Holtman

      Doctor of Veterinary Medicine

      Dr. Holtman earned her Doctor of Veterinary Medicine Degree from University of Wisconsin-Madison and earned valuable experience in emergency medicine and critical care prior to joining Aurora Animal Hospital. Thorough and seasoned, Dr. Holtman has special interests in preventative care and emergency medicine. A Wisconsin native, Dr. Holtman's furry family includes red heeler mix Romy and cats Indiana and Ninja.

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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.

    • Yukari Bianchi dog trainer

      Yukari Bianchi

      Experienced Dog Trainer

      With a foundation of experience as a Veterinary Assistant from an animal hospital in her native Japan, Yukari has invested an incredible amount of time, energy and passion into becoming a truly exceptional dog trainer. Experienced and compassionate, she is a member of The Association of Pet Dog Trainers, The Colorado Dog Trainer Network, The International Association of Animal Behavior Consultants, and The Behavior Education Network. She also holds a Pet First Aid/CPR certificate from the American Red Cross.

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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 her dog Vita, Ru the bunny, and leopard geckos Puka & Zulu.

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      Lisa Little

      Customer Care

      Lisa brings an array of experience to our hospital having spent time working at the Dumb Friends League, Birds of Prey Foundation, and Friends of Horses Horse Rescue. A native of Colorado Springs, Lisa lives with her dogs Cassius Play & Cricket, and Scooter the kitty.

    • Nicole Eveland

      Nicole Eveland

      Customer Care

      A recent graduate of Colorado State University with a degree in Environmental Science, Nicole brings compassion and maturity to her work as part of our Customer Care team. A native of Colorado Springs, Nicole lives with a sweet cat named Harley.

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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.

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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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      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, a chinchilla named Rocky and sugar gliders Haven & Halo.

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      Ashleigh Nakata

      Veterinary Assistant

      Currently a student at Metropolitan State University of Denver with an emphasis in Pre-Veterinary Medicine, Ashleigh is tireless in her work with our clients. She has also been a volunteer with the Wild Animal Sanctuary and the Weld County Humane Society. A Denver native, Ashleigh lives with her dogs Lilo & Kalea and a fish named Felix.

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      Julia Hedrick

      Veterinary Assistant

      Julia earned her Bachelor’s Degree from DePaul University in Chicago and following her passion for animal care is currently enrolled at University of Colorado Denver with an emphasis in Pre-Veterinary Medicine. She also spent last summer volunteering at an animal hospital in India. An Ohio native, Julia spends as much time with Gizmo the hospital cat as she can.

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 »