Dr. Brian Siever, DVM
Dr. Siever and Cindy were married on a beach in the Bahamas in 2000 and have 4 children, Rebecca, Alison, Griffin, Seth, and 2 grandchildren AJ and Maleah. The Siever family lives on a farm outside of Knoxville, Illinois where they enjoy gardening and raising farm animals including chickens and ducks. The family also has 2 indoor cats, 3 barn cats, and 4 dogs including 2 large Great Pyrenees dogs that guard the barn animals.
In his free time, Dr. Siever enjoys bike riding, shooting sports, woodworking and wire bending. He is also a member of Community Bible Church in Knoxville, Illinois.
Dr. Becca Schwieter, DVM
Dr. Megan Blackwell, DVM
Dr. Blackwell joined our staff at Knox Pet Clinic in August of 2009. She has her Bachelor’s degree in Animal Sciences as well as her B.S. in Veterinary Science and her Doctorate of Veterinary Medicine all
from the University of Illinois Urbana-Champaign.
Dr. Blackwell is originally from Lewistown, Illinois where she was a member of 4-H and FFA showing and judging livestock and participating in dog obedience competitions. Dr. Blackwell lives in Galesburg with
her domestic shorthair cat, Mia. In her free time, Dr. Blackwell enjoys traveling, shopping, skiing, and hiking.
Dr. Blackwell is a member of the American Veterinary Medical Association and the Illinois State Veterinary Medical Association.
Dr. Josephine Swanson, DVM
From a young age, Dr. Swanson loved animals. She wanted to be a vet so she could not only help animals but also help owners learn more about their pets and to provide the best possible care for them. What she finds most interesting is the variety of animals, in addition to seeing cats and dogs, Dr. Swanson does basic health checks on exotics and pocket pets.
Dr. Swanson enjoys spending time with her family including a huge extended family, a brother, and sister, a brother-in-law and a niece and nephew. She also enjoys watching movies and visiting historical sites. Dr. Swanson has a terrier mix, Wally, who is pictured with her here.
Jackie Derham, CVT
Emily joined our team in August of 2009, working part-time as a receptionist and is now a Veterinary Assistant working with the technicians and doctors. Emily attended Carl Sandburg College and has her Associate’s in Science as well as her cosmetology license. Emily has been married to her husband Adam since 2009, and they have 3 children, Adam Jr, Mavrick, and Danika. Emily’s family also has 3 fur members: Jax (cat), Mocha (Labrador mix), and Mikey and Larry (Boxers). In her free time, Emily enjoys being outside and playing with her kids as well as writing, and drawing.
tomcat), Lily (Himalayan), Paisley (Corgi/Chihuahua mix), Theo (gray striped tomcat), and Archie (American Bulldog). In her free time, Katie enjoys watching movies, reading books, and spending time with her husband and pets. Katie’s favorite things are dancing and animals! A little fun fact, her name is Mary Kathryn but she always goes by Katie.
Cindy Siever, CVT
Cindy joined the staff at Knox Pet Clinic in June of 1999, she is currently the office manager handling the business and fiscal part of the practice. She is a graduate of Jefferson College in Hillsboro, Missouri where she received her Associate’s of Applied Science in Veterinary Technology. Cindy was working at the University of Illinois Champaign-Urbana as an ER and ICU vet tech when she met Dr. Siever who was there studying to become a veterinarian. Cindy and Dr. Siever have 4 children, Becca, Alison, Griffin, and Seth and 2 grandchildren AJ and Maleah. The Siever family lives on a farm outside of Knoxville, Illinois where they enjoy gardening and raising farm animals including chickens and ducks. The family also has 2 indoor cats, 6 barn cats, and 6 dogs including 2 large Great Pyrenees dogs that guard the barn animals. In her free time, Cindy enjoys reading, working out, and spending time with her family.
Veterinary Assistant/Marketing and Social Media Manager
Animal Care Assistant
Animal Care Assistant
Certified Veterinary Technician
Sat: 8:00am - 12:00pm
Tues: 8:00am - 4:00pm
Thurs:8:00am - 4:00pm