XAttention:We have updated our protocols to allow clients to come into our building effective Tuesday, June 15, 2021, at 8:00 am.Read More


animal clinic

Matthew S. Demey, DVM


Matthew S. Demey, DVM, joined the team right after graduating from Michigan State University College of Veterinary Medicine in 2000. In 2004, Dr. Demey joined SHVH as a partner in the business, and as of 2016 became the sole owner as Dr.'s Ley and Mullen retired. Dr. Demey has developed a special interest in surgery over the  years, particularly laparoscopy and orthopedics.  Dr. Demey is a certified TPLO surgeon and performs this procedure on a regular basis.  This is a procedure performed for a torn ACL in a dog’s knee. Dr. Demey has extensive experience with different methods of  fracture repair and advanced soft tissue surgery as well. Dr. Demey also volunteers his time providing veterinary care for different species of raptors with the Raptor Education Foundation.  He also volunteers advanced surgical services at the Denver Animal Shelter.  Dr. Demey and his wife, Jess, have a son, Cole, and three four-legged family members at home, Ringo, Yeti and Bill.

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Julie Supon, DVM


Dr. Julie Supon received her Bachelors in Microbiology with Honors at Colorado State University in 2001.  She was also Phi Beta Kappa. Dr. Supon received her DVM also from CSU in 2005.  She is a member of the AVMA,  CVMA, and AAHA. Dr. Supon has been accredited with the USDA since 2005.  She is a graduate of FRANK Workshop 1.0.  Some additional trainings and workshops that she has attended and participated in are for performing abdominal ultrasounds and for advanced dental extractions. She has always known that she wanted to be a veterinarian and deeply enjoy meeting new people and caring for their beloved pets. Dr. Supon has volunteered her time to participate in the 9News PetCheck for several years.  When she is not treating patients, she loves to be outdoors. Her hobbies include hiking, biking, fly-fishing and gardening. She and her husband also love to travel. She enjoys giving back to the community through her church. Her husband and son Liam also share their house with Penelope, a feisty tortishell cat.

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Chandra Francis, DVM

Assistant Medical Director

Dr. Chandra Francis, DVM, attended Colorado State University where she received a Bachelors of Sience in Biology and a Master of Science in Zoology.  She earned her Doctor of Veterinary Medicine in 2002. Dr. Francis is a certified Fear Free Practitioner since 2018.  She also attended the Veterinary Dentistry Course, and the VMG Regional Leadership Retreat in 2017. She is passionate about being an animal welfare advocate and veterinary medicine allows her to combine her love for animals with the challenge of medicine. When she is not working she enjoys camping, hiking, traveling, running and spending time with her husband and their kids Aubrey and Colin. Her family cares for Rigby, a yellow Labrador, and a cat named Bodie.


Tressa Magnone, DVM


After completing her dual BS degrees in Biology and Chemistry at Slippery Rock University of Pennsylvania, she ventured forward toward her life goal of practicing veterinary medicine. She received her DVM from Michigan State University in 2012. She remained in Michigan for a year and a half at a small animal private practice offering both general and emergency medicine. With growing ambition and joy for her new career, she ventured to Colorado and became part of the Seven Hills Veterinary family in January, 2014. Her dog, Mirabel, and cat, Desperado, were her ever faithful tag-alongs. Tressa and her small family have come to feel at home in Colorado. She is delighted at the opportunity to provide compassionate care to her patients, as well as the ability to positively affect the lives of their human companions.

Brooks Butler, DVM


Dr. Brooks Butler attended Kansas State University, where he earned a Bachelors degree in Agribusiness in 2009, a Masters in Biomedical Science in 2011, and a Doctor of Veterinary Medicine in 2013. Upon graduation, Dr. Butler moved to Texas and practiced at a mixed animal veterinary hospital for 3 years. In 2016, he returned to his home state of Colorado to join Seven Hills Veterinary Hospital. Dr. Butler attended the FRANK Communication Training, Ultrasound Training, and has a WVC TPLO Certification.  Dr. Butler also attended the course for AO North America Principles in small Animal Fracture Management.  Dr. Butler grew up around horses, dogs and cats, and always knew he wanted to pursue a career working with animals. His specific interests include diagnostic imaging and soft tissue surgery. Hobbies outside of work include hiking with his Labrador "Brew", skiing, and playing golf.

Molly Maass, DVM


Dr. Molly Maass received her undergraduate degree in Animal Science from the University of California, Davis in 2011. She then went to Midwestern University in Glendale, Arizona to obtain her DVM. While in veterinary school she volunteered for World Vets in 2015.  Dr. Maass completed the Hill's Nutritional Assessment Course and the Veterinary Dental Education Online Course at the University of Illinois in 2017. She moved to Colorado after realizing Arizona was too hot for her and joined SHVH in June 2018. She is also Fear Free Certified.  She enjoys working with clients and getting to know them and their furry companions. She enjoys snowboarding, hiking, traveling and reading.

Diana Rydzewski, DVM


Dr. Diana Rydzewski received her Bachelors in Biology with a concentration in Neuroscience at Stony Brook University in 2014. Dr. Rydzewski received her DVM from Cornell University College of Veterinary Medicine in 2018. She then completed Small Animal Emergency and Specialty Internship at Alameda East Veterinary Hospital in Denver. She recently completed surgical training at WVC in Las Vegas. Dr. Rydzewski wanted to be a veterinarian since she was five years old. Her main interests include emergency and feline medicine. Dr. Rydzewski also loves to volunteer at organizations that provide low cost veterinary care for communities in need. She has previously done work with Humane Society of Boulder Valley in Colorado, Humane Alliance in North Carolina, People for Animals Spay/Neuter Clinic in New Jersey, RAVS in South Dakota as well as FARVets Wellness and Sterilization Clinic in Belize. Her hobbies include snowboarding, hiking and traveling.

Analisa Weber

Analisa Weber, DVM

Veterinarian - General Practice/Emergency

Dr. Analisa Weber attended Colorado State University (Go Rams!), where she earned a degree in Biomedical Sciences with a minor in Business Administration in 2011 followed by a Doctor of Veterinary Medicine in 2015. She then completed an intensive one year small animal rotating internship at California Veterinary Specialists in sunny southern California. Although she still misses the beaches and palm trees, Dr. Weber returned afterwards to her home state of beautiful Colorado and has been practicing here since. Her special interests include soft tissue surgery, dentistry, internal medicine, and emergency medicine. Dr. Weber has completed multiple dentistry training courses through the Colorado Pet Dental Training Center in Colorado Springs, CO and is proud to be Fear-Free Certified. She enjoys giving back to the community through volunteering at the Denver Animal Shelter helping with their high-volume spays and neuters. Her hobbies include reading, cake/cupcake decorating, baking, outdoor activities, and traveling. She and her husband share their home with a sweet Golden Retriever mix named Gracie. Dr. Weber is thrilled to join the Seven Hills family and hopes to continue fostering the human animal bond while living out her childhood dream of being a veterinarian.

Kate Westberry, DVM