An Oct. 15 wedding is being planned by Karen Tritch and Sean Sadler, both of Pittsburgh.

The bride-to-be is the daughter of Robert and Mary Ann Tritch of Butler. Parents of the prospective bridegroom are Ronald and Elaine Sadler of Myerstown.

The bride-elect graduated in 1994 from Butler High School and in 1998 from Indiana (Pa.) University, receiving a bachelor of science degree in business administration. She is the finance manager and a certified public accountant for the Qatar Campus at Carnegie Mellon University in Pittsburgh.

Her fiancé graduated in 1996 from Eastern Lebanon County High School. He earned a bachelor's degree in communications media in 2000 and a master's degree in communication technology in 2001, both from Indiana (Pa.) University. He works as a graphic designer for Access Data in Pittsburgh.