Mike and Sue Koren of 1222 Fundy Road have announced the engagement of their son, Dr. Nicholas Koren, to Debbie Lay, both of Boston. She is a daughter of Jerry and Wendy Lay of Scottsdale, Ariz.
The bride-to-be graduated from Chaparral High School in 2004, from Cornell University in Ithaca, N.Y., in 2008 with a bachelor's degree, and from Boston University School of Public Health in Boston with a master of public health degree and a master's degree in 2012. She is a community health planning coordinator at Boston Children's Hospital.
The prospective bridegroom graduated from Quincy Notre Dame High School in 2006, from Southern Illinois University at Edwardsville in 2010 with a bachelor's degree, and from Boston University School of Dental Medicine in 2015 with a doctor of dental medicine. He is a general dentist at DiBona Dental Group in Exeter, N.H.
A Sept. 22 wedding is planned in Boston.