John, 57, passed away May 12, 2010 after a long illness in Littleton, Colorado. A beloved son, husband, father, grandfather and brother, his survivors include his mother Jane Bis of Kalamazoo, Michigan; his wife of 30 years, Francine; children Rachelle (Stephan) Gerali and Steven Bis; granddaughters Laurel and Aubrey Gerali; and brother Allen Bis also of Kalamazoo. John graduated from Hackett High School and Western Michigan University with a Master's Degree. He moved to Colorado in 1981, where he worked for an engineering firm. Visitation to be held Monday, May 17, 2010 from 5:00 to 7:00 p.m., followed by a Recitation of the Rosary at 7:00 p.m., both at Horan & McConaty Family Chapel, 5303 East County Line Road (one block to the west of Holly Street), in Centennial, Colorado. Funeral Mass to be held Tuesday, May 18, 2010 at 11:00 a.m., followed by a luncheon reception, both at Light of the World Catholic Church, 10316 West Bowles Avenue, in Littleton, Colorado. Interment follows at 2:15 p.m. at Mount Lindo Memorial Park, 5928 South Turkey Creek Road, in Morrison, Colorado. Memorial Donations are being suggested to the Huntington's Disease Society of America, 505 Eighth Avenue, Suite 902, New York, New York 10018, www.HDSA.org, or by calling 1-800-345-4372. Please share your memories of John and condolences with his family by selecting the ""sign guestbook"" button below.