Dr. Sweet completed his veterinary degree at the University of Pennsylvania, School of Veterinary Medicine in 1989, and stayed on there to complete an internship the following year.

He completed his small animal surgery residency training at the North Carolina State University, College of Veterinary Medicine, and became board certified by the American College of Veterinary Surgeons in 1994. He spent a year at Washington State University as a clinical instructor in small animal surgery, and then two years as an Assistant Professor of Small Animal Surgery at the University of Pennsylvania.

Dr. Sweet joined the staff of OSVS in 2003. He was on the board of the Rhode Island Veterinary Medical Association from 2004 through 2008 and served as its president in 2007. He was honored with the RIVMA Veterinarian of the Year award in 2008. He has also served on the board of directors of the Companion Animal Foundation and the Ocean State Animal Coalition. He continues to volunteer at the Potter League Pets in Need Veterinary Clinic. His clinical interests include pain management, soft tissue surgery, minimally invasive surgery, and oncologic surgery including reconstruction techniques. His personal interests include tai chi, reading, and enjoying the company of his wonderful family.