Jeffrey David "Jeff" Koch, age 47, of Duluth, GA died January 24, 2010 at his home. Jeff was an Electronic Tech Facilitator for Scientific Atlanta and a member of the Southeastern Referee Association for Volleyball. He is survived by his wife, Lynn (Wisnieski) Koch of Duluth, GA; daughter, Molly Koch of Duluth, GA; parents, Tony and Joan Koch of South Sioux City, NE; brothers, Steve Koch of South Sioux City, Jerold Koch of Rapid City, SD, Paul Koch of Lincoln and Richard Koch of Dakota City, NE; sisters, Becky Petersen of Lilburn, GA, Kim Criddle of Sioux City, IA and Carol Glackin of Moville, IA. Funeral lunch will be served immediately following the mass in the church fellowship hall. To leave a message for the family - at the top of this page click "Send Condolences" / fill in YOUR name and e-mail address / type in your message / click PRIVATE (type in code) or PUBLIC / click "Add Memorial entry".