Dr. Kalinowski graduated from the University of Minnesota in 1990 and proceeded to move into private practice form there. After practicing veterinary medicine on the Iron Range for numerous years, Dr. Kalinowski decided to further his career by buying the Mesaba Animal Hospital in 2009. He has since grown the business to the size of 3 doctors, 5 technicians, 3 receptionists, and numerous other individuals that perform vital tasks that make our animal hospital work on a daily basis. Dr. Kalinowski has the knowledge and skills to treat your pet, no matter the type. Dr. K. treats dogs, cats, birds, reptiles, pocket pets, and goats. In his free time, he enjoys traveling, gardening, reading, kayaking, fishing, and spending time with his wife and three children.

Please welcome Dr. Molly Feiro to our clinic! She was raised in Hibbing and graduated from the University of Minnesota with a Bachelor's degree in Animal Science in 2013. She then moved on to get her Doctorate in Veterinary Medicine from the University of Edinburgh in 2017. In her free time, she enjoys kayaking, horseback riding, reading, and perfecting her various musical talents. She has one animal kid, a cat, named Gus.  Her passion lies within exotic and small-animal medicine.

Tammy has served double duty as Dr, Kalinowski's wife and Practice Manager here at Mesaba Animal Hospital since 2009. Her 'dungeon' is upstairs where she has Sassy the clinic cat that help her with her daily tasks. Dr. Kalinowski and Tammy have three children. Liz is their oldest, Bev, their middle child, and Ben is their youngest. They also have two animal kids: A bulldog (Kenya) and a cat (Flo). When not at work, she enjoys sewing, scrap booking, cross-stitching, reading, and cooking.