Mr. & Mrs. Roger Lemelin of Barrington, NH are pleased to announce the engagement of their daughter, Sarah Ann to Edward Joseph MacDonald III, son of Dr. Claire and Mr. Edward MacDonald Jr. of Andover, MA. Miss Lemelin graduated from the University of New Hampshire, Magna Cum Laude, and is currently the Program Marketing Manager for Fiksu in Boston, MA. Mr. MacDonald graduated from the University of New Hampshire, Summa Cum Laude, and earned a Master's Degree from Brandeis University, Summa Cum Laude. He is currently a data analyst with CEB in Boston, MA. A summer wedding is planned.