John Sumner Crossley and Sandra Kathleen Williams of Hartland, Vermont announce their engagement. The future groom is the son of James and Karen Crossley of Braintree, Vermont. He is a 1998 graduate of Randolph Union High School and a 2002 graduate of Old Dominion University in Norfolk, Virginia. He is currently working as a project manager for TomTom in Lebanon. The future bride is the daughter of Richard and Sandy Williams of Andover. Sandra graduated from Merrimack Valley High School in 2000 and is currently employed by the State of Vermont. She is also studying for a degree in human services at the Community College of Vermont. The couple is planning a September wedding.