Alisandra Welch of Weirton and Zachary Tieke of Hinsdale, Il. have announced their engagement and approaching marriage.
The bride-to-be is the daughter of Janeen Rateau Welch of Weirton and Thomas and Betty Jo Welch of Weirton. She is a 2014 graduate of Madonna High School and earned a Bachelor of Science degree in chemical engineering with highest honors from Carnegie Mellon University.
Her fiance is the son of Bradford and Sara Tieke of Fairfield, Connecticut. He is a 2014 graduate of Fenwick High School in Oak Park, Illinois, and has earned two Bachelor of Science degrees with high honors from Lehigh University in chemical engineering and integrated business and engineering.
Both are employed as chemical engineers by ExxonMobil in Houston, Texas.
The couple will exchange vows July 6 at St. Paul Cathedral in Pittsburgh, Pennsylvania.