Dr. Cornwell holding her catDr. Theresa Cornwell

After graduating from the University of Illinois in 1990 and entering the veterinary field, Dr. Cornwell recognized the limitations of practices that offered treatment to many different types of animals. In 1992, she decided to devote her work exclusively to the care of cats. After 3 years training in a feline-only practice, she launched the Cat Care Professionals veterinary clinic in 1995. With a belief that high-stress situations can trigger or exacerbate illness, Dr. Cornwell strives to provide a calm and relaxed environment for all patients. As the proud “mother” of 6 felines, she understands the joys and challenges that come with having cats as companions. In her daily practice, Dr. Cornwell provides cat owners with the insights that 30 years of experience have given her. All her patients are shown the same compassion and care she provides to her own pets.


Dr. Ellingsen holding her cat, OtisDr. Kris Ellingsen

After graduating from the University of Wisconsin-Madison in 1988, Dr. Ellingsen spent two years as a veterinarian at a small animal practice. Realizing her dream of working exclusively with cats, she spent 9 years at one of the nation’s original feline-exclusive hospitals in Seattle, Washington. In 2002, she brought her skills and experience to Oregon to join Dr. Cornwell at Cat Care Professionals. Dr. Ellingsen demonstrates her devotion to the health and well-being of all pets through her work as a spay and neuter surgeon in Portland with the Oregon Humane Society and other local pet shelters. She is also on the Board of Directors and is the current President of the Feral Cat Coalition of Oregon (FCCO), volunteering regularly for their spay/neuter clinics. She shares her home with 3 adorable cats; 12 year-old Otis is shared in the photo.


Dr. Tisha Posey sitting with her catDr. Tisha Posey

Dr. Posey graduated from veterinary school in 2008 from Oklahoma State University. She worked at a traditional small animal clinic in Tulsa for many years, but she and her partner, Chris, always hoped to move to the beautiful Pacific Northwest. In 2014, she fulfilled that dream and started working as a housecall veterinarian in Portland. Reducing stress, treating patients like she’d treat her own animals, and providing excellent medical care has always been her top priority in veterinary medicine. She also enjoys building genuine relationships with her clients. Helping them care for and advocate for their animals through education and problem solving is a great satisfaction to Dr. Posey. While doing housecalls she found she has a particular love and skill in working with cats. They deserve special attention, patience, and understanding, which she feels she appreciates better than most. As a veterinarian she finds joy in providing cats with a fear-free veterinary experience and swears she has never met a cat she doesn’t like. She’s also found that providing compassionate palliative and hospice care for animals and their people gives her career extra meaning and satisfaction. Working with feline caregivers to find creative ways to provide support and prolong quality time for their special kitty brings her much joy. Dr. Posey shares an acreage outside of Portland with her partner, Chris; two adorable cats, Zaphod and Juniper; and two amazing dogs, Apollo and Bernie.