Marcee Cohen of Linwood, N.J., and Nat and Heidi Leonard of Huntingdon Valley announce the engagement of their daughter, Allison Brooke Leonard, to Mason Kardon, son of Richard and Nina Kardon of Ambler.
Allison earned a Bachelor of Science degree from the University of Delaware.
Mason graduated from Ithaca College with a bachelor's degree in theater and is currently pursuing a master's degree at Arcadia University.
Sharing in the couple's happiness are Allison's sisters, Ashley and Taylor, along with brother Jeffrey; and Mason's brother and sister-in-law, Damon and Erin.
The couple, who lives in Philadelphia, is planning a September 2012 wedding.