Our Team

Dennis Schwarzentraub, D.V.M.

Dr. Schwarzentraub, while officially retired, will always be an integral part of Prospect Animal Clinic.  He grew up on a farm north of Princeton Illinois and did his undergraduate work at the University of Illinois. He graduated from the University of Illinois College of Veterinary Medicine and worked at Holly's Animal Hospital for 9 years as an associate veterinarian.  He built Prospect Animal Clinic and moved in on July 23, 1979. He especially enjoys working with all the families and pets he has known over the many years in Peoria. In his spare time he enjoys reading, movies, travel and spending time visiting his four children--Jeff, Jennifer, Julie and Justin and all of his grandchildren.  As most everyone knows he LOVES Chicago Sports (Cubs, Hawks,Bears, and even Bulls) along with the struggling Illini sports teams.  Doc has officially retired now, but we see him often and he helps us out in any way he can.

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Keith Peterson, D.V.M.

Dr. Peterson was born and raised in Peoria, attended Woodruff High School and then graduated from Illinois Wesleyan University in 1989. He went on to graduate from the University of Illinois School of Veterinary Medicine in 1993.  From there, he moved to the Chicago area and practiced for 3 years in several large veterinary hospitals before returning to his hometown.  In 1996 he joined Prospect Animal Clinic and has special interests in canine and feline internal medicine.  He and his wife, Meggin, and two children Lydia and William reside in Dunlap, along with their 2 crazy cats, Pelita and Guapo.  Dr. Peterson enjoys the outdoors, fishing and has practiced Shorei Ryu karate for over 20 years.

Brittany Jacobs, D.V.M.

Dr. Jacobs is from Washington, IL and attended Washington Community High School, where she met her husband.  She then received her undergraduate degree and DVM from the University of Illinois.  Dr. Jacobs and her husband, Zach, now reside in their hometown with their two Australian Shepherds Yadi and Paisley.  In her free time, she enjoys spending time with friends and family, traveling, reading, movies, and finding ways to stay active outdoors. 

Colleen Gratton, D.V.M.

Dr. Gratton is from Peoria and originally had a career in graphic design. She received a bachelor's degree in biology from the Illinois State University. At ISU, she had the opportunity to participate in research projects including House Wren behavior. She then attended the University of Illinois College of Veterinary Medicine and graduated with her Doctor of Veterinary Medicine degree in 2001. She has treated a variety of animals in the last 20 years including wildlife, pet birds, rabbits, guinea pigs, rats, mice, hamsters, reptiles, dogs, and cats. She an her husband reside in Peoria with 2 dogs, Mollie and Wrigley and 5 birds.

Kelley, manager

Kelley started working October 1996 as a kennel attendant and after 2 years she worked full time as a technician. She became office manager January of 2013.  She is a proud mom of 4 daughters who keep her very busy. She has two golden retrievers named Jeffrey and Ava that she loves dearly!  She also has three cats...a domestic short hair named "Henry", an abyssinian named "Annabelle", and "Oliver" the cat who thinks he's a dog.

Darlene, technician

Darlene has over 25 years experience in veterinary medicine, joining Prospect Animal Clinic in the spring of 1998. Her fur family includes 2 domestic short haired cats  "Jammers" & "Kristof", a golden retriever named "Willa", "Charles" the green cheeked conure, and "Scoop" the hamster.

Lisa, receptionist

Lisa began work here in December of 2010.  She graduated from SIU Carbondale with a Bachelors in Zoology and has over 15 years of experience in the veterinary field.  She is married to a Red Sox fan and together they have 2 children, and a three-legged Pit Bull named Lucky and a Shih-Tzu named Fenway.

Jamie, technician

Jamie Started in 2013 as a kennel attendent through her co-op program in high school. After graduating, she started working as a veterinary technician while attending ICC to study radiography. She has a 2 year old coonhound mix named Ellie and Tuffy the dog.

Jodi, receptionist

Jodi has been working for the clinic since 2014.  She loves greeting all the fur babies and their parents during their visits.  She has 5 fur kids of her own - 4 cats (Giggles, Howie, Bernadette, and Lennie) and a pit mix named Shiloh.

Kenzie, technician

Kenzie graduated from WIU with a Bachelors in Zoology.  She has 3 dogs, 3 cats, and 3 reptiles at home.  In the future she hopes to work with big cats and endangered species.  She loves nature and crafting in her spare time. 

Kayla, C.V.T.

Kayla has been working as a veterinary technician for 15 years since graduating from Parkland College in 2005.  She joined Prospect Animal Clinic in the spring of 2018 as the primary surgical technician and loves her job because she gets to meet and take care of so many animals and their families.  She lives with her husband, Adam, and they are lucky to share their home with their 3 dogs, Tank (American Bully), Whiz (Chinese Crested), and Rosco (Pittie).  They also have one cat named Cardi.  In her free time she volunteers with a group of other animal lovers to reunite missing pets with their families.