David Seidl, DVM — Chief of Staff
A Michigan native, Dr. David Seidl, our Chief of Staff, graduated from Michigan State University (MSU) in 1973, where he earned both an undergraduate degree and a Doctorate of Veterinary Medicine. He has a special interest in geriatric medicine and soft tissue surgery.
Dr. Seidl and his family live in Hastings. He is happily married to his wife Marianne, a retired 4th grade teacher. They have three dogs, two cats, three children, and four grandchildren (and grand-animals). His hobbies include working around the farm, riding motorcycles, watching basketball and football (especially Michigan State games) and growing American Chestnut trees.
Charity Koons, DVM
Dr. Charity Koons graduated from Michigan State University (MSU) in 2002, where she earned both an undergraduate and veterinary degree. Prior to joining the Seidl Veterinary Hospital team in August 2013, she worked at Sprinkle Road Veterinary Clinic in Kalamazoo for 11 years. Dr. Koons has a special interest in veterinary laser therapy.
Dr. Koons and her husband live in Hastings with their twin girls, two dogs, five cats, and four horses. She is happy to be working closer to her home and caring for the pets of old and new friends. When not working, Dr. Koons enjoys riding horses, going camping, and spending time with family.
Heather Chalmers, DVM
After completing a Bachelor's degree in Animal Science and a Master's degree in Food Safety, Dr. Heather Chalmers earned a Doctorate of Veterinary Medicine from Michigan State University in 2011. She joined the Seidl Veterinary Hospital team in November 2016. Previously, she worked at Irwin Avenue Animal Hospital in Albion, MI.
Dr. Chalmers enjoys all areas of small animal veterinary practice including internal medicine, exotics and pocket pets. She is excited to be part of a team that focuses on high-quality preventive medicine and is dedicated to keeping your furry family members happy and healthy.