Mark F. Michelotti, VMD​

Originally from the Camp Hill area of Pennsylvania, Dr. Michelotti received his BS in Animal Science from Penn State University in 1979. He received his VMD at the University of Pennsylvania School of Veterinary Medicine in 1983 and was first in his class. After graduating, he moved back to State College because of his love for the area. From 1983-88 he practiced as an associate veterinarian at Animal Medical Hospital in State College. In February of 1988, he opened Centre Animal Hospital as a solo practice. Dr. Michelotti's veterinary specialties include orthopedics, ear, nose, and throat surgery, and canine reproductive services.

In his free time, Dr. Michelotti enjoys playing squash, fly fishing, fly-tying, bow hunting, and bird hunting with his dog, Kira.

Debra J. Smart, DVM

Dr. Smart is from Lancaster, Pennsylvania. She graduated from Princeton University, and then earned her DVM at Colorado State University. She practiced in Colorado for 4 years and in Minnesota for 5 years before moving to State College with her husband, who joined the meteorology department at Penn State.

Dr. Smart lives with her husband, Ken Davis, and their three children: Maggie, Nathan, and Mary, in Warriors Mark. The family has a Portuguese Water Dog, three cats, two Morgan horses, and one pony. Dr. Smart's special interests are in feline medicine and dentistry. She treats pocket pets (guinea pigs, gerbils and hamsters) and rabbits here at Centre Animal Hospital. Dr. Smart enjoys horseback riding, both dressage and trail riding, and traveling and camping with her family.

Jennifer Nunnery, DVM​

Dr. Nunnery is originally from Murfreesboro, Tennessee. Her love of biology and love of animals combined to make veterinary medicine a perfect fit for her. She earned a BA in Biology from Hollins College in Roanoke, Virginia, and in 2002 received her DVM from the University Of Tennessee College Of Veterinary Medicine. Dr. Nunnery's experience includes working as a small animal veterinarian in Tennessee and in public health at the Centers for Disease Control and Prevention in Atlanta, GA. Her areas of special interest include feline medicine, ultrasound and palliative care.

In August of 2006, following her husband's career move to Penn State University to teach philosophy, she joined the Centre Animal Hospital team. She and her husband, Mark, live in State College with their daughter, Allison and their dog, Virginia and two cats, Nenagh and Haiki. They call Haiki “Swiper” because he likes to steal things like socks from laundry baskets and toast or broccoli from the table. In her leisure time she enjoys hiking, walking with Virginia, knitting, reading and cooking.

Diane Porter, DVM​

Dr. Porter was born and raised in State College and always wanted to be a Vet since she was 8 years old and stitched up her own injured rabbit. She attended Penn State University then went on to attend North Carolina State University and earned a BS in Animal Science and her DVM from the College of Veterinary Medicine in 2005. Dr. Porter joined Centre Animal Hospital when she moved back to the area in April of 2008 after practicing in Virginia for 3 years. Her interests include exotic animals, aquatic medicine and ultrasound. She recently finished an advanced course in abdominal ultrasound. Dr. Porter sees pocket pets (guinea pigs, gerbils and hamsters) and rabbits here at the hospital.

Dr. Porter lives with her husband, David, and three daughters, Breanne, Ella and Kelsey in Centre Hall. They have three cats, Brown Horse (named by the kids), Daisy and Thomas, two German Shorthaired Pointers, Drake and Gabriel (whose hobbies include chewing up the kid’s stuffed animals whenever he can get them), 2 turtles, some salt water fish and chickens. She enjoys spending time in the outdoors and likes to hike, camp, kayak, and garden.

Renee Calvert, DVM​

Dr. Calvert knew from the beginning exactly what she was meant to do in life – she was in third grade when she decided to become a veterinarian, and she hasn't slowed down since. She developed her early love of animals into a profession where she can contribute to their wellness, aide in their healing, relieve their suffering and educate their owners all while continually learning and developing her skills.

Originally from near Allentown, PA, Dr. Calvert got her start raising Seeing Eye puppies. She later graduated from Penn State and went on to vet school at Purdue (where she was the top medicine and surgery student in her class). She worked at hospitals in Fairmont, WV and Somerset, PA before moving back to State College in 2000 to found her own practice – Mountain MobileVet. After 8 great years on the roads of Centre County, she was ready for a change, and was happy to join the staff of Centre Animal Hospital. She has a special interest in dentistry.

Dr. Calvert lives near State College with her husband Jeff, son Lucas, dog Nellie, and her sphynx cat Angelica. She enjoys trail running and is an avid fan of Penn State sports.