Staff Role: Veterinarian - Primary Care

Dr. Lindsay Tretter is an Associate Veterinarian at Pieper Veterinary who brings a passion for client education and a love for the variety that general practice offers. With three years of experience in general practice, she enjoys building relationships with pet owners and helping them better understand their pets’ health, ensuring each patient receives thoughtful, individualized care.

Dr. Tretter earned her Doctor of Veterinary Medicine degree from the University of Missouri. She has a strong interest in surgery and values the opportunity to continually grow her skills while supporting her patients through all stages of care.

Dr. Tretter always knew she wanted to become a veterinarian—drawn to the profession by her desire to be around and care for animals. She finds it especially rewarding to help both pets and their owners feel their best.

Outside of work, Dr. Tretter enjoys staying active year-round, from skiing in the winter to hiking with her dog. She shares her home with her golden retriever, Franklin, her cat, Twix, and her horse, Mercury.

Dr. Amy Lamborghini Blakeslee is an Associate Veterinarian at Pieper Veterinary’s Norwichtown Veterinary Hospital, bringing decades of diverse experience to her role. She began her career practicing large animal medicine and surgery in Canterbury, Connecticut for 11 years before transitioning to small animal medicine and surgery in Danielson, where she practiced for 19 years. Today, she provides compassionate small animal care in Norwich, while still occasionally treating farm animal patients—allowing her to maintain a connection to her large animal roots.
Dr. Blakeslee earned her Doctor of Veterinary Medicine degree from Atlantic Veterinary College in 1991 and later completed the Canine Rehabilitation Certification Program in 2021. While she has happily stepped away from surgery, she continues to enjoy all aspects of veterinary medicine, with a particular interest in alternative therapies and exploring both innovative and time-honored approaches to healing.

Inspired at a young age by the novels of James Herriot, Dr. Blakeslee has always been drawn to the meaningful bond between people and animals. She values the variety each day brings and embraces the challenge of complex cases, always striving to provide thoughtful, individualized care.

Outside of the hospital, Dr. Blakeslee enjoys spending time on her farm with her husband and their grown daughters. She has four horses and rides as often as possible, with her corgi, Darby, never far from her side.

Dr. Hazel Sebens is an Associate Veterinarian at Pieper Veterinary with over 15 years of clinical experience providing compassionate, high-quality care for dogs and cats. She is skilled in diagnosing and treating a wide range of medical conditions and is especially known for her thoughtful, clear communication with pet owners—ensuring they feel informed, supported, and confident in their pet’s care plan. Dr. Sebens is dedicated to building lasting relationships with families while delivering personalized veterinary care tailored to each patient’s needs.

Dr. Sebens earned her Doctor of Veterinary Medicine degree from The Ohio State University in 2010. She enjoys practicing a broad spectrum of medicine and has a special interest in helping new puppies and kittens get off to a healthy start, as well as supporting senior pets in maintaining comfort and quality of life throughout their golden years.

Originally from Ohio, Dr. Sebens relocated to be closer to family. She lives with her husband, son, and their beloved Labrador retriever. Outside of the hospital, she enjoys gardening, cross stitching, reading, and scrapbooking.

Dr. Seth Dunipace brings 15 years of veterinary experience, including eight years in small animal care. Originally trained in production animal medicine with a focus on pigs, he now practices general veterinary medicine with an emphasis on surgery, working closely with clients to determine the most reasonable and effective treatment plans for their pets.

A 2011 graduate of the University of Pennsylvania, Dr. Dunipace completed a Fulbright Fellowship in Denmark and studied animal welfare at Cambridge, gaining a global perspective on veterinary care.

He is passionate about surgical procedures and providing compassionate, client-focused care. Outside the clinic, Dr. Dunipace enjoys cycling, wrestling, cooking, and spending time with his pet rabbit.

Dr. Yu brings a truly global perspective to her work at Pieper Veterinary, shaped by a diverse background in both wildlife and companion animal medicine. Born and raised in Medellín, Colombia, she earned her Doctor of Veterinary Medicine degree from Universidad de Antioquia before spending five years as the solo veterinarian at Zoológico Santa Fe, where she cared for a wide range of wildlife species. She then continued her academic journey as a Fulbright Scholar at Virginia Tech, earning a Master of Science degree with a focus on mule deer research. Dr. Yu further advanced her training through the Foreign Veterinarian Graduate Program at Purdue University and joined Mountain Lore Animal Hospital in 2007.

With a passion for delivering thoughtful, compassionate care, Dr. Yu has a special interest in ophthalmology and endocrinology. She is dedicated to staying at the forefront of veterinary medicine through ongoing continuing education and enjoys collaborating with clients to ensure the best possible outcomes for their pets.