Gregorian, Zareh B. of Cambridge, passed away on Monday, March 23, 2015 at the age of 83 following a battle with liver cancer. Gregorian was a Harvard-trained engineer and worked on several large projects during his career including buildings, stadiums and movie theaters. He was a principal with Gregorian Engineers in Belmont, Massachusetts and fellow of ACI AND ASCE with more than forty years of experience in teaching, research and design of steel and concrete masonry and wood structures. Gregorian was born December 15, 1931 in Tabriz, Iran. He is survived by his wife of 59 years, Emily, a brother, Henry, sons, Fredrick, Oshin and Garen Gregorian, and two grandchildren. Funeral service at Saint Stephen’s Armenian Church, 38 Elton Avenue, Watertown on Friday, March 27 at 11:00 a.m. Relatives and friends are kindly invited to attend. Visiting hours at the Aram Bedrosian Funeral Home, 558 Mount Auburn Street, Watertown on Thursday from 7 - 9 p.m. In lieu of flowers, memorial gifts may be made to Saint Stephen's Armenian Church or Saint Stephen's Armenian Elementary School, Watertown. Interment at Mount Auburn Cemetery, Cambridge.