Craig Demarest graduated from Louisiana State University with a Bachelor of Science degree in accounting in May 1987. He worked for KPMG for 17 years and served as an audit partner in the firm's New Orleans office. As audit partner, Craig was responsible for the audits of a wide variety of clients, both publicly held and privately owned, primarily in the energy service, marine transportation and outdoor advertising industries, among others.

Craig joined Tidewater in May 2004 as Corporate Controller where he is responsible for day-to-day accounting matters as well as coordinating and reviewing the monthly, quarterly and annual consolidated financial statements of Tidewater. He was appointed an Officer role in April 2005, and holds the position of Vice President.

Craig is a Certified Public Accountant and a member of the American Institute of Certified Public Accountants and the Society of Louisiana Certified Public Accountants. He currently serves on the Board of Directors of the New Orleans Crimestoppers organization, previously serving as Treasurer. He lives in New Orleans, Louisiana, with his two children.