Tiffany Healey, DVM

Tiffany Healey DVM grew up in Cheyenne and graduated from Central High School in 1991.  She received her Bachelors of Science in Zoology from the University of Oklahoma in 1996 and her Doctor of Veterinary Medicine from Oklahoma State University in 2002. During her time in veterinary school she was active in research using lasers in surgery in veterinary medicine.  She received a grant from the National Institutes of Health and multiple scholarships including the Sue Busch Memorial Award in recognition for her role is supporting companion animals and the human-animal bond.

Dr. Healey is married to Nick, an attorney, and they have two children.  The Healeys have one cat MACS  and two crazy mixed breed dogs Oban and Robbie.   When Dr. Healey is not caring for her two and four legged critters, she spends time volunteering in the veterinary community.  She is the president of the Cheyenne Veterinary Medical Association and the delegate for Wyoming to the American Veterinary Medical Association.  In addition, she serves on the AVMA Committee for the Advancement of Veterinary Technicians and Technologists.  Dr. Healey also loves working closely with Black Dog Animal Rescue.


Chelsea Croghan, DVM

Dr. Chelsea Croghan graduated from the Colorado State University College of Veterinary Medicine in 2010.  Immediately after graduating from CSU she practiced mixed animal medicine in rural Colorado for a few years before returning to her home town of Cheyenne with her husband, 2 small children, and horses.  Dr. Croghan enjoys the challenges of surgery in veterinary medicine, and has a passion for helping clients understand and learn about the health of their pets.  Dr. Croghan’s hobbies include spending time with her family, camping, fishing and horseback riding.

Sarah Crystal, DVM

Dr. Sarah Crystal grew up in Colorado and attended Colorado State University for her Bachelor of Liberal Arts degree.  After working in a variety of fields, she returned to CSU for her Master of Biomedical Science and Doctor of Veterinary Medicine degrees.  She has an interest in surgery and emergency medicine and a special place in her heart for geriatric patients.  She lives in Cheyenne with her daughter and one rescue pup named Agnus.  Skiing, camping, paddle boarding, and traveling are among her favorite activities outside of work.


Laura Conn, RVT, CVPM, CVBL

Laura grew up in Cheyenne and began her career in veterinary medicine in 1988 as a volunteer at a local veterinary clinic.  She graduated from Bel-Rea Institute of Animal Technology in 1996 and received her license as a Certified Veterinary Technician.  In 2012, after attending St. Petersburg University, Laura earned her designation as a Certified Veterinary Practice Manager.  Additionally, in 2012 she established the Veterinary Technician Association of Cheyenne.

Laura is a member of the Colorado Association of Certified Veterinary Technicians, Veterinary Hospital Managers Association and the Air Force Association.

Laura and her husband Rob have three daughters.  They take advantage of every opportunity to enjoy the outdoors, especially a good fishing trip or visit to Estes Park.


Brenda DeJersey, RVT

Brenda can’t remember a time when animals were not a big part of her life.  She has been a technician for over 20 years.  Prior to joining the veterinary world, she worked in the animal shelter/rescue world for over 20 years.  She has one fun-loving crazy rescue dog named Quigley and four horses, Sampson, Husker, Pistol, and last but not least Whiskey. She enjoys horseback riding, hiking, and spending time with her family.


Tanya Keel, RVT, CVT

Tanya has a love for animals that began in 1974 with her first pet, a fly named ‘Chuck’. After receiving her B.S. from The Ohio State University (Go Buckeyes!) she obtained an Associate’s degree in Veterinary Technology. Her career has allowed her to live and work all over the country while she followed her ARMY husband. Her most recent move from Vermont has brought her to Cottonwood Veterinary Clinic where she is appreciative to work with other people that understand the strong bond we have with our pets. She is a self-proclaimed “Lab Lover” and in her free time she enjoys fly fishing, watching college football, and attempting many different crafts.


Stephanie Kushner, RVT

Hello, my name is Stephanie and I have been a vet tech for about 16 years, mainly in emergency medicine for dogs and cats! I am originally from Ohio, but moved out to CO in 2017 and then moved up to the Cheyenne area in 2018. I live with my husband and our 3 crazy kiddos. We have a two, soon to be three, horses (Maple, Storm, and Pony) a hen house, an orange one-eyed naughty cat named Qubert, a border-collie mix named Sadie, and an American Eskimo named Pixie.

I have found my second family here at Cottonwood and hope to have many more years to look forward to with this amazing team!


Erin Amos, Veterinary Assistant

Erin Amos joined Cottonwood in 2023.  Previously Erin worked as a veterinary assistant in Colorado.  She grew up in Texas and moved to Colorado in 2013.  Erin likes to snowboard and ride her horse Bugs.  She has two dogs, Louie and Benson who love getting into trouble.  Erin is attending Front Range Community College and is working on her nursing degree.


Shawn Hyberg, Veterinary Assistant

A wildlife biology graduate from Humboldt State University, Shawn has been working in veterinary medicine after being influenced by his technician sister. Shawn has previously exclusively worked at overnight emergency hospitals in California, Washington, and Colorado with Cottonwood being his first general practice clinic.

At home he has a border collie / Australian shepherd mix named Mischief, two senior kitties (Fat Cat and Pretty Kitty), two tiny kittens (Butterbeer and Momiji), and one yellow-bellied slider named Patricia.


Lindy Keel, CSR

Lindy has always been passionate about animals and she was able to use that passion by starting to work for veterinary clinic in Arizona as an assistant. She later moved back to her hometown of Cheyenne and continued her career with animals as a receptionist. In her free time Lindy enjoys camping with her husband Ken and their two dogs, Kobie and Jorie. She also loves spending time with her son Jake and her granddaughter Mackenzie.


Kris Schiffman, CSR

Kris has many years of animal experience, having worked in veterinary clinics for over 25 years.  Before moving to Wyoming, Kris lived in Wisconsin.  Her dogs and horses are a big part of her country life.  Kris enjoys art, crafts, and home improvement projects in her spare time.


Cicada Prue CSR

Cicada moved to Cheyenne in 2021 with her partner Ellis, to further their education.  Outside of work Cicada enjoys art and playing with her dogs.  She is enrolled at LCCC working towards a degree in natural resource management.  In the future, Cicada would like to work at a museum.  She has 3 dogs, 1 cat and a Virginia opossum at home.

Andrea 2

Andrea Martinez, CSR

Andrea is happy to be part of the Cottonwood team.  She adores her family, cooking and spending time with her grandkids.

Liz Studley

Liz Studley, CSR

Liz has been a Customer Service Representative in the veterinary field since 1988. She and her husband Jack love spending time with their 3 daughters, 7 grandchildren and a great grandaughter. They share their home with Olive, a Cavalier King Charles and Pearl, a Siamese. In her spare time she enjoys walking with friends. She is an avid reader.


Rod Forseth

Rod is originally from Duluth, Minnesota and moved to Cheyenne 36 years ago.  He is married to Crystal and their blended family has 4 children and 6 grandchildren.  When not working, Rod enjoys hunting, gardening and yardwork.  He also really enjoys the outdoors, researching bigfoot, and spending time making custom walking sticks.  However, his greatest joy is spending weekends with his family while cooking at the barbecue.