Dr. Rosenberg is a board-certified orthopedic surgeon with
additional fellowship training in orthopedic sports medicine,
shoulder, and knee surgery. He has a certificate of added
qualification (CAQ) in orthopedic sports medicine. He has
practiced orthopedic surgery in Middlebury for 25 years.
Dr. Rosenberg is the orthopedic consultant for Middlebury College athletic teams and orthopedic advisor to the Mad River Glen ski patrol. He is a past-president
of the Vermont Orthopaedic Society and the Porter Hospital Medical Staff. He currently serves as the Vermont representative to the American Academy of
Orthopedic Surgeons Board of Councilors.
Dr. Rosenberg performed the first arthroscopic ACL reconstruction in Middlebury, along with the first arthroscopic rotator cuff repair, the first arthroscopic labral
repair for recurrent shoulder dislocation, the first total shoulder replacement, and the first reverse total shoulder replacement. He also helped develop a total joint
replacement program at Porter that offers faster recovery and shorter hospital stays.
Board Certifications | Orthopedic Surgery, American Board of Orthopaedic Surgery
Specialty | Sports Medicine
Watch Dr Rosenberg's Intro Video
Dr. Eric Benz joined Dr. Rosenberg in founding Porter Orthopedics in 2002. A 1988 summa cum laude graduate of Middlebury College, was drawn back to the area for its biking, skiing, hiking and quality of life. He graduated from Harvard Medical School in 1994 and received his training in Orthopedic Surgery at the University of Rochester Medical Center from 1995-1999.
Dr. Benz's practice includes evaluation and treatment of problems of the hip, knee, shoulder, elbow, hand, wrist, foot, ankle, and spine. He has a special
interest in joint replacement surgery, including anterior approach total hip replacement, custom total knee replacement and partial knee replacement. He also
performs fracture treatment, arthroscopic surgery, and hand surgery.
After serving as an officer in the U. S. Air Force Medical Corps, Dr. Benz moved to Middlebury with his wife and four children. .
Specialty | Orthopedic Surgery
Trina L . Wilson, PA-C
Trina Wilson joined Porter Orthopedics in November 2009. She assists in surgery
and performs pre and post-operative patient care. She previously worked at
Brigham and Women’s Hospital in Boston, Massachusetts in general surgery.
While at Brigham, her primary duties included assisting in the operating room
and managing in-patient care. She also served as a preceptor for Harvard
Medical School, where she taught clinical skills to medical and physician
Ms. Wilson graduated from Yale University’s Physician Associate Program in
2003. Prior to her graduate studies, she worked as a registered dietitian at
Massachusetts General Hospital and Dartmouth Hitchcock Medical Center,
with a specialty in critically ill patients. Ms. Wilson is a cum laude graduate
of the University of Vermont and received her bachelor’s degree in nutrition
She lives in Middlebury with her husband and two children.
Brian Joslin, PA-C
Brian Joslin is a nationally certified physician assistant, and he completed his
graduate degree program at Franklin Pierce University. He is an eighth generation
Vermonter who attended the University of Vermont for undergraduate
studies. He joined the Porter orthopedic practice in 2017 and treats both adult
and pediatric patients with a wide range of orthopedic conditions.
Having previously competed as a junior alpine ski racer and an amateur triathlete
Mr. Joslin has a special interest in sports-related injuries. He lives in Middlebury
with his wife Tracy and their black lab, Rally. He enjoys hiking, skiing, and cycling
throughout the Green Mountains in his free time.
Luc Dupuis, PA-C
Luc Dupuis is a nationally-certified Physician Assistant who completed his Masters in Physician Assistant Studies at Northeastern University in 2012. He is a native Vermonter, born and raised in the Northeast Kingdom, who also attended the University of Vermont for his undergraduate studies.
He began his career at Porter Orthopedics in October of 2012, providing treatment to patients of all ages for surgical and non-surgical orthopedic conditions. In 2017, he joined the UVM Medical Center Emergency Department, where he treats many conditions from minor injuries to critical illness. He returned to Porter Medical Center in 2019, to continue his work in orthopedics, while also assuming the role of Clinical Director of Surgical Process Improvement. As a Board Member of the Physician Assistant Academy of Vermont, he works to maintain quality and advancement of the profession.
Mr. Dupuis resides in Shelburne with his wife Francesca, son Sebastien, and their dogs Copper and Diesel. He enjoys many outdoor activities, including mountain biking, kayaking, hiking, and nordic skiing, as well as organized basketball, hockey, and football. You will also find him cruising Vermont roads on his motorcycle.