Bruce and Dr. Loretta Keil, of Allentown, are proud to announce the engagement of their daughter, Alyssa Marie Keil, to Christopher William Bistline, son of Ronald and Linda Bistline of Pennsauken, N.J.

The bride-elect is a 2005 graduate of Allentown Central Catholic High School. She received a Bachelor of Science in forensic chemistry from York College, York County, in 2009 and a Master of Science in pharmacology and toxicology from the University of Sciences, Philadelphia, in 2012.

She is a site services supervisor for Avantor, Inc., Spring House, Montgomery County.

Her fiance received a Bachelor of Science in biological science from Drexel University, Philadelphia, in 2015.

He is a scientist for Eurofins, Inc., West Point, Montgomery County.

The couple is planning a July 4 wedding at the Inn at Lambertville, Lambertville, Hunterdon County, N.J.