Announcement has been made of the engagement of Kristen L. Nau and Michael G. Callahan, both of Montoursville.

A July 2015 wedding is being planned.

Nau is the daughter of Barbara A. and Thomas A. Nau, of Montoursville. She graduated from Montoursville High School in 2000 and received a bachelor’s degree in marketing from West Chester University. She is employed by DeWald Chiropractic as a practice representative.

Callahan is the son of Delores and P. Michael Callahan, of Montoursville. He graduated from Montoursville High School in 1996 and received an associate degree in wild life technology from Penn State University DuBois. He also is a graduate of the Certified Appraisers Guild of America in personal property appraisal. He is employed by Callahan’s Antiquities, Montoursville, as the owner and proprietor.