Maureen and Jim Busis of Squirrel Hill are thrilled to announce the engagement of their son, Ethan Busis, to Sarah Hull, a daughter of Jill Hull of Reading, Pennsylvania. Ethan is the grandson of the late Sidney and Sylvia Busis of Pittsburgh, and the late Richard and Diane Kelly of Houston. He is a graduate of Community Day School and Shady Side Academy Senior School. Sarah and Ethan met on their freshman hall at Washington University in St. Louis, where Ethan earned a BS and MS in mechanical engineering, and Sarah earned a BA and BFA. After graduating they moved...