Chris Tattersall is an internationally recognized tunneling expert. For 31 years Chris and his teams have applied innovative design, state-of-the-art tunneling technology, and highly developed construction-management skills, to help in the delivery of prominent global infrastructure projects such as the English Channel Tunnel, Alaska's Whittier Tunnel, and the St. Clair River CN Rail Tunnel. The Whittier and St. Clair River tunnels were both winners of the Schreyer Award, the most prestigious of Canadian engineering project awards. Chris and his teams have resolved several tunneling challenges over his career including building the CN Rail Tunnel within a meter of the bottom of the St. Clair River.