David Joseph Walsh (born 17 June 1955) is an Irish sports journalist and chief sports writer for the British newspaper The Sunday Times. He is a four-time Irish Sportswriter of the Year and a three-time UK Sportswriter of the Year. Walsh was the key journalist in uncovering the doping program by Lance Armstrong and the US Postal Service Cycling Team, leading to a lifetime ban from cycling for Armstrong and being stripped of his seven Tour titles.[1]