He started his army service in 1977 and served in a paratrooper unit during the 1982 Lebanon War and ended up losing an eye in Lebanon in 1983. He later published a book about his experiences, "Guf Sheni". He has been a journalist for Maariv and Yediyot Achronot for 25 years along with hosting popular television news and sports programs. As a journalist, Shelah specialized in writing about security issues and on sports.
Shelah lives in the Ginaton moshav, and is widowed with two children.