Our Team
Gregory S.C. Chann, D.M.D.
Dr. Chann has practiced in Wilton for over 30 years.
After graduating from Tufts University School of Dental Medicine with honors, a residency at Johns Hopkins University Hospital and a few years with a group practice in New Haven affiliated with Yale New Haven Hospital, he decided it was time to come back to Wilton, his home town.
As a lifelong member of the American Dental Association, the Greater Norwalk Dental Association, the Academy of General Dentistry and the Wilton Dental Study Club, Dr. Chann is committed to continual engagement in professional education and excellence in dental standards.
Dr. Chann is active in many community organizations and enjoys supporting…
- Wilton Kiwanis Club—as the President and a long time member of the Board of Directors
- Wilton Historical Society—as an Emeritus Trustee and past president (2006-2014)
- First United Methodist Church Stamford—as the long-term Chair of the Board of Trustees and the New York Annual Conference Board of Trustees
- Westport Weston Wilton Medical Reserve Corps—as a team member
- United Way or Norwalk & Wilton—as a past president
- Commission on Social Services, Town of Wilton—as past chair
- And as a Dental Consultant to many pre-schools, day care centers and other not-for-profit organizations
Dr. Chann and his wife Debbie, who works with technology at Wilton High School, raised their 2 children in Wilton.
MaryAnn Sementini
MaryAnn has worked in our office for 30 years as our office manager. She is the primary staff member when interfacing with financial and insurance matters. Prior to joining our practice she worked as administrative assistant in the Planning & Zoning / Conservation department for the Town of Wilton. She has lived in Wilton for over 40 years raising her 2 children here. She loves spending time with her 2 grandkids.
Diane Candullo
As an office assistant, Diane has worked as part of our team for over 25 years. She enjoys honing her skills with us and takes a personal interest in our patients. She and her husband live in South Salem and raised their 3 children there. She is a proud grandmother to 5 grandkids!
Joanna Stefanidis
Having worked for many years in other local dental offices Joanna has found a relatively new home for her passion in providing gentle dental care with our team as an office & dental assistant. She is a lifelong resident of Norwalk and along with her husband, who works for the Norwalk Fire Department, is dedicated to their 3 sons and their extended families.