Born in Waupaca, Wisconsin, and grew up in Denmark, Wisconsin. Graduate of the University of Wisconsin at Green Bay in 1978. Married Mary Haefner September 14, 1985.

Employed as a reporter with Denmark Press 1975 to 1977. He was later a sports reporter with the Green Bay News Chronicle 1976 to 1980.

Sieber joined Numismatic News in September 1980. He was promoted to news editor in December 1982 and editor in April 1983. In 1984 he was named managing editor of World Coin News and editor of Coins magazine. From January 1, 1991, to 1992 he was editor of Numismatic News, editor of Coins magazine, executive editor of World Coin News and executive editor of Bank Note Reporter. Editor of 1993 North American Coins & Prices. In 1992 he became public relations coordinator for Krause Publications. Retired in January 2006.

Author of A Kid’s Guide to Collecting Coins (2011). Author of Warman’s U. S. Coins & Currency Field Guide (2014).

bio by interview 5/1/91