Joe O’Carroll is a recognized leader in risk management for the water, wastewater, transit and highway tunnel infrastructure construction projects in the United States, regularly supporting Agencies in risk assessments, risk analyses and the development of risk and contingency management plans. Mr. O’Carroll has over 30 years of diverse global experience in the design, construction, risk management, and risk assessments of bored, cut-and-cover, and NATM tunnels. He has led and participated in a wide range of feasibility, technical, constructability, and value engineering reviews for large, complex tunnel projects. He has developed and performed capital cost and schedule risk assessments and quantitative risk analysis for agencies and authorities with new and existing underground infrastructure assets. Mr. O’Carroll is the co-author of the UCA “Guidelines for Improved Risk Management of Tunneling and Underground Construction in the United States of America”.