Our Team

Dr. Aiden Costello, DVM

Veterinarian

Dr. Aiden Costello grew up on a small cattle ranch in Fort Jones, California. He holds a BS in Biology/Zoology from Humboldt State University and received his DVM with high honors in 2009 at Ross University in St. Kitts, West Indies.  He practiced for 3 years at a small animal clinic in Denver, Colorado before finally coming back home to the “State of Jefferson.”  During this time he developed an abundance of experience in orthopedic and non-routine surgery, providing training for visiting vets from numerous countries.  In 2015 Aiden purchased the “a” street animal clinic, and is happy to have found an environment where he can develop lasting relationships with his patients and clients.

Dr. Jessica Voellm, DVM

Veterinarian

Dr. Jessica Voellm joined “a” street animal clinic in 2017. Originally from New Jersey, she also attended Ross University, graduating in 2009 with honors. Jessica worked at a feline exclusive practice prior to relocating to the Rogue Valley, and has also worked closely with animal shelters throughout her career. She has a special interest in geriatric feline medicine and preventative medicine. Jessica and Aiden live with their shelter mutt Shelby, and their two cats, Augustus and Neville (aka Bonzo).

Dr. Nicki Leonard, DVM

Veterinarian

Dr. Nicki Leonard received her Doctor of Veterinary Medicine from Washington State University in 2011. She has worked in emergency and general practice and has a special interest in dental surgery. She has a hobby farm with her husband and children, and loves to mountain bike and hike with her two super mutt pups.

Alaina

Certified Veterinary Technician

Alaina graduated from Humboldt State University with a B.S. in Zoology and went on to Bel-Rea Institute of Animal technology in Colorado for her Associate of Applied Science Degree in Veterinary Technology. A California native who loves to travel, Alaina has swum with sea turtles in Costa Rica and worked with flying foxes in Australia. In her free time she enjoys hiking, ceramics, home restoration projects and gardening. She has two cats, Sophie and Poplin, as well as a turtle named Sir Percy Shelley.

Jasmine

Veterinary Receptionist 

Jasmine began volunteering at Cascades Raptor Center in Eugene in 2001 and became a Veterinary Assistant at All Pets Hospital in San Francisco in 2008. She has since volunteered and worked in clinics and hospitals in California, New Mexico and in Oregon. Jasmine graduated from UNM with a BA in Interdisciplinary Arts in 2020 and when she is not spending time with her two kitties she can be found dancing Flamenco and sewing.

Amy

Veterinary Assistant

Amy was born and raised in Medford, Oregon, and has many years of experience from her long-standing history working with animals. She began working in animal medicine back in 2000 at a clinic in Medford. She joined “a” street animal clinic at the beginning of 2012. She enjoys spending time with her family and being outdoors.

Stephanie

Veterinary Assistant

Stephanie was born in San Francisco and raised in southern Oregon. She started working in the veterinary field 7 years ago. She enjoys spending time outside of work outdoors with her husband or cuddled up with a good book and her three cats Goose, Wanda and Peter.

Diana

Veterinary Assistant

Diana graduated from University of California Los Angeles in 2023. She has been working as a vet assistant since then. Outside of work, Diana enjoys baking, gardening, and spending time with her cat Elvis and dog Otis.