VCA - Key Persons


Amy Komitor

Job Titles:
  • Veterinary Specialist

April Rowe

Job Titles:
  • Credentialed Veterinary Technician / Administration

Audrey Bilmar

Job Titles:
  • Hospital Manager

Bobbi Burkett

Job Titles:
  • Staff Veterinarian

Breanna Karr

Job Titles:
  • Hospital Administrator

Carley Saelinger

Job Titles:
  • Veterinary Specialist

Dr. Andrew Simpson

Job Titles:
  • Veterinary Specialist
Dr. Andrew Simpson is a 2009 graduate from the University of Florida College of Veterinary Medicine. After completing an internship in small animal medicine and surgery at VCA Aurora Animal Hospital and VCA Berwyn Animal Hospital, he spent four years working as a general practitioner at various VCA animal hospitals in the greater Chicagoland area. Dr. Simpson finished his residency in veterinary dermatology along with a Master's degree at the Colorado State University College of Veterinary Medicine and Biomedical Sciences in June of 2017. He has published multiple papers in the veterinary literature, including his more recent research on monitoring urinary tract infections with allergy therapy, novel treatment for pemphigus foliaceus, along with a study on absent eardrums in dogs. His interests include allergic skin disease, otology (ear disease), immune-mediated skin disease, and cutaneous manifestations of systemic disease. Dr. Simpson enjoys spending time with his wife and two kids exploring outdoor activities including hiking.

Dr. Annika Sundby

Job Titles:
  • Veterinarian - Surgery Resident

Dr. Betty Chow

Job Titles:
  • Veterinary Specialist

Dr. Karen Oberthaler

Dr. Karen Oberthaler, VMD, DACVIM (Oncology), graduated magna cum laude from the School of Veterinary Medicine at the University of Pennsylvania in 2002. She completed an internship at the Animal Medical Center in New York City and a residency at the University of Pennsylvania. She practiced oncology for 13 years in New York City and in Miami before joining VCA Veterinary Specialists of Northern Colorado in 2019. Her clinical interests include lymphoma, osteosarcoma, mast cellgiosarcoma, and bladder cancer. She's also interested in cancer prevention and palliative care. In her free time, Dr. Oberthaler loves skiing, running and exploring mountain towns. She's also a potter, and she creates functional ceramics that she describes as simple, pretty and a little imperfect. Her studio name-Morning Dew Ceramics-comes from her daily greeting to her own sweet dog, Dewey: "Morning, Dew."

Emilee Mitchell

Job Titles:
  • Veterinarian

Eric Chow

Job Titles:
  • Veterinary Specialist

Evan Geer

Job Titles:
  • Client Service Manager

Hannah Able

Job Titles:
  • Veterinary Specialist

Hannah Johnson

Job Titles:
  • Social Worker

Jean Reichle

Job Titles:
  • Veterinary Specialist

Jennifer Kelsey

Job Titles:
  • Veterinary Specialist

Jennifer Matousek

Job Titles:
  • Veterinary Specialist

Jessica Corrie

Job Titles:
  • Veterinary Specialist

Jill Keller

Job Titles:
  • Staff Veterinarian

John Peacock

Job Titles:
  • Veterinary Specialist

Joseph Campbell

Job Titles:
  • Dir, External Affairs
  • Director, External Affairs

Katee Adair

Job Titles:
  • Veterinary Specialist

Katie Reed

Job Titles:
  • Marketing Director & Referral Coordinator at VCA Regional Institute for Vet Emergencies and Referrals in Tennessee, Shares Her Story of Pride and Allyship.

Kristen Baumgartner

Job Titles:
  • Staff Veterinarian

Kristin Barncord

Job Titles:
  • Veterinary Specialist

Lauren Nazarian

Job Titles:
  • Staff Veterinarian

Lavan Holmes - COO

Job Titles:
  • Director of Operations

Lindsey Olmos

Job Titles:
  • Relationship & Marketing Manager

Mary Somerville

Job Titles:
  • Veterinary Specialist

Matthew Bischoff

Job Titles:
  • Veterinary Specialist

Matthew Goldrick

Job Titles:
  • Staff Veterinarian

Meagan Sowders

Job Titles:
  • Veterinary Specialist

Melissa Skowronski

Job Titles:
  • Veterinarian

Mia Farago-Iwamasa

Job Titles:
  • Staff Veterinarian

Michael Green

Job Titles:
  • Veterinary Specialist

Michelle Curran

Job Titles:
  • Veterinary Specialist

Miyu Mercier

Job Titles:
  • Veterinary Specialist

Nicole Spurlock

Job Titles:
  • Criticalist / Emergency & Critical Care Department Co - Manager / DVM, DACVECC

Pet Health

Job Titles:
  • Expert

Randy Cochran

Job Titles:
  • Veterinary Specialist

Raviv Balfour

Job Titles:
  • Veterinary Specialist

Rebecca Packer

Job Titles:
  • Veterinary Specialist

Ruth Rose

Job Titles:
  • Medical Director, Veterinary Specialist ( Surgical Oncology )

Samantha Middleton

Job Titles:
  • Veterinary Specialist
Samantha Middleton, DVM, MS, graduated from Michigan State University College of Veterinary Medicine in 2011. She completed a small animal rotating internship at Michigan Veterinary Specialists in 2012. She went on to complete a small animal internal medicine residency/master's degree program at the University of Illinois. Dr. Middleton has special interest in nasal disease, specifically sinonasal aspergillosis.

Sandy Bierman

Job Titles:
  • Owner

Sarah Rippy

Job Titles:
  • Veterinary Specialist

Sean Yoshimoto

Job Titles:
  • Medical Director

Sheila McCullough

Job Titles:
  • Veterinary Specialist

Sonia Honkisz

Job Titles:
  • Veterinary Specialist

Steven Abel

Job Titles:
  • Veterinary Specialist

Sue Downing

Job Titles:
  • Member of the ACVIM Foundation
  • Veterinary Specialist
Dr. Downing is a charter member of the ACVIM Foundation and has received recognition on the Veterinary Honor Role by the Morris Animal Foundation. She is also a past Commissioner at the Los Angeles Zoo and volunteers regularly with the Southern California Veterinary Medical Association and Downtown Dog Rescue to provide free vaccinations, deworming, microchipping, flea/tick control, and other wellness services.

Susan Wight

Job Titles:
  • Staff Veterinarian

Teresa Linder

Job Titles:
  • Veterinary Specialist

Terry Medinger

Job Titles:
  • Medical Director

Tricia Tovar

Job Titles:
  • Criticalist / Emergency & Critical Care Department Co - Manager / DVM, DACVECC

Vanessa Washburn

Job Titles:
  • Emergency & Critical Care Department Manager

Zoe Olmos

Job Titles:
  • Specialty Departments Manager