Erin Kostecki and Jonathan Gelman

Doreen and Dan Kostecki of Newtown announce the engagement of their daughter Erin to Jonathan Gelman, son of Anna and Maks Gelman of Eastchester, N.Y.

A July 2010 wedding is being planned, to take place in Newtown and New Rochelle, N.Y.

Erin is a 2001 graduate of Newtown High School, and a 2005 graduate of New York University. She is a marketing associate for Avon Products in New York City.

Jonathan graduated from Eastchester High School in 2000, and then from Colgate University in 2004. He is an assistant vice president at JP Morgan in Jersey City, N.J.

The couple currently resides in Hoboken, N.J.P