Oncology / Radiation Therapy - Oncology Team

To learn more about any of our staff members, simply select their name below to reveal their information.

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Robyn Elmslie
DVM, DACVIM (Oncology)

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Dr. Elmslie fulfilled her childhood dream of becoming a veterinarian when she graduated from the College of Veterinary Medicine, at the University of Montreal, in Canada, in 1986. It was during the oncology residency at Colorado State University that she became increasingly interested in research in the field of immunology. After completing the oncology residency in 1990, she embarked on an immunology research fellowship at the National Jewish Center in Denver.

Dr. Elmslie founded the Veterinary Cancer Specialists, the Oncology department of VRCC, in 1993 with the goal of combining her clinical oncology expertise with her immunology research background to improve quality of life of pets with cancer and to contribute to the development and evaluation of innovative cancer therapies.

Dr. Elmslie and her husband have two sons, Cooper and Sawyer, and several pets which include three dogs, Roxy, Gus and Charli, three cats, Ethel, Peeper and Ford, a small parrot named GB, Dynamite the corn snake, along with many fish. Free time is spent with family and friends enjoying the great outdoors.

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Kim Statham-Ringen
DVM, DACVIM (Oncology)

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Dr. Ringen grew up in South Florida. After completing two years of her undergraduate degree at The University of North Florida she moved to Colorado with a mountain bike and a backpack. She completed her undergraduate degree in Biology at the Metropolitan State College of Denver. Dr. Ringen was then accepted into the Veterinary Medicine program at Colorado State University where she completed her Doctor of Veterinary Medicine degree. It was during her time at CSU that Dr. Ringen realized her passion for Veterinary Oncology. She completed a Small Animal rotating Surgery and Medicine Internship at Kansas State University followed by residency training in Medical Oncology at the University of Missouri-Columbia.

Dr. Ringen has a Master of Science degree from the University of Missouri-Columbia. Her research interests include evaluating the status of bcl-2, an inhibitor of apoptosis (programmed cell death), and its relationship as a prognostic indicator in B-cell lymphoma. As a result of this training, Dr. Ringen completed the certification process to become a Board Certified Veterinary Oncologist. Dr. Ringen is excited about providing compassionate care while pursuing innovative therapy options at Veterinary Cancer Specialists. Dr. Ringen and her husband share their home with three dogs: Jill, Madison, and Petey and with Bernard, their new 4 month old kitten. She enjoys many hobbies such as: running, hiking and snowboarding.

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Nancy Gustafson
DVM, MS, DACVR (Radiation Oncology)

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Dr. Nancy Gustafson is a board certified Radiation Oncologist. She is a 1999 graduate of Colorado State University’s (CSU) College of Veterinary Medicine. She then completed a rotating internship in small animal medicine and surgery at Angell Memorial Animal Hospital in Boston, Massachusetts. Her chosen career in Radiation Oncology led Dr. Gustafson back to academia in 2000 where she pursued advanced training at Colorado State University. In 2003, she completed her residency training program at CSU in Radiation Oncology as well as receiving a Master’s degree (Mammalian Radiobiology). In 2004, Dr. Gustafson was an Assistant Professor of Radiation Oncology at Michigan State University College of Veterinary Medicine while simultaneously spending additional time studying medical oncology. Dr. Gustafson’s philosophy on treating cancer includes the pet’s quality of life, the pet owner’s goals as well as the latest medical knowledge and advances. She works closely with each owner in making the most effective, caring and ethical decision in the best interest of each patient and owner.
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Cheryl H.
BS, CVT

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Cheryl joined VCS in July 2007 after having been an Internal Medicine technician at another emergency and referral hospital for eight years. She earned a degree in Psychology at Connecticut College in 1992, and then actually went to work on a horse farm for a while. While still riding horses, she worked her way up the ladder in the retail industry for five years.

In 1998, a career change into the Veterinary field finally felt right and Cheryl moved to Colorado to attend the Bel- Rea Institute of Animal Technology. She graduated and became a CVT in June 1999. Her two male cats, Jache and Ritchey, continually fulfill her daily laughing quota! Some of her favorite activities include spending time with her boys, road biking some hard-core mileage, including events such as the Triple Bypass and the Deer Creek Challenge, and also being a distributor at home shows for a jewelry company.

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Shantell G.
VT

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Shantell joined our Oncology team in January 2011. She has been working in the Veterinary field for over 11 years. She shares her life with her husband, Adam, their new daughter, Acadia, and their 2 dogs, the charming Madd Maxx Rockatanski (an 8 year old mixed breed) and the feisty Firenze Bean (a 9 year old affenpinscher). In her free time, Shantell enjoys motocross, rock-climbing and rafting. Shantell loves the changing seasons in beautiful Colorado and all that the outdoors has to offer.

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Aly M.
CVT

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Aly is originally from North Dakota, but recently moved to Denver from Fort Collins. Aly graduated with her CVT in August 2012, and worked at the CSU teaching hospital and a specialty ophthalmology practice in Loveland, before joining our oncology department in August 2013. Aly shares her life with her girlfriend Andrea, and their naughty, but spoiled, 7 year old puggle, named Puggle. Aly enjoys working out, traveling, touring new breweries, and going to concerts.

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Emily G.
CVT

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Emily graduated from Front Range with an AAS in Veterinary Technology in 2010 and moved to Saskatchewan, Canada, where she worked in a mixed practice for a year before returning to Colorado. She grew up on a ranch in northeastern Colorado and still own cattle which are currently run with her parents. On May 10, Emily and her husband got married in the pasture on her parents’ ranch, which her great-grandfather started around 1920. In her spare time, Emily enjoys cooking, reading, working on the pickup with her husband, and going to country concerts.

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Sadie W.
BS, CVT

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Sadie graduated from Purdue University in 2008 with a bachelor’s degree in Animal Science, and again in 2010 with an associate’s degree in Veterinary Technology. She and her husband moved to Colorado from Indiana in November of 2011. Sadie worked in a general practice for four years before pursuing her career in Oncology, and joined the VCS team in July of 2014. She lives in Thornton with her husband, their cat, Wednesday, and their goofy corgi, Flynn. When Sadie is not at work, she enjoys spending time with friends and exploring the great outdoors.

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Ruby Post
BS, Practice Manager

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Ruby joined the VCS team in December of 2005. She is a Colorado native, and graduated from the University of Denver in 2001 with a bachelor’s degree in Biology. Ruby lives with her husband Ryan, their newborn son Joaquin, their 4 year old Chihuahua/Papillon Sophia, and their 11.5 year old kitty Alexis, who was adopted from the Dumb Friends League where Ruby worked from 2001-2004. In her spare time, Ruby competes in women’s doubles beach volleyball at the open level.

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Diana Hutcherson
Office Manager

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With an extensive background in administration and sincere love of animals, Diana enjoys keeping the office running smoothly in the Oncology practice. Diana has lived in Colorado for over 40 years and loves spending time outdoors with her 2 grandsons. She stays busy with rock or ice climbing, hiking, biking, skiing and camping. Diana insists “It’s not just about the activity, but where the activity takes you!” Pepper, her beloved long-hair dachshund rescue, tags along for most of the outdoor adventures. He’s got a lot of spunk and refuses to believe his legs are only 3 inches long.

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