William B. Diaz is Head of Marsh Client Technologies and President of CS STARS. He is responsible for all of Marsh's client-facing technologies. Marsh Client Technologies is the division of Marsh that produces MarshConnectTM, Marsh's web-based client portal, and also encompasses CS STARS and its suite of industry-leading, commercially-available risk and claims management products and services.

Mr. Diaz brings more than 14 years of insurance industry experience in a variety of globally-focused executive roles. With Marsh since 1994, Mr. Diaz’ area of expertise is risk and claims management technology solutions. He has been responsible for building and globally deploying MarshConnect, Marsh’s web-based client desktop application currently utilized by more than 800 clients with users in 30+ countries. Mr. Diaz was formerly also an executive with CS STARS where he held various senior leadership positions including Global Sales Manager.

Mr. Diaz holds a Bachelors of Science Degree in Management Information Systems from Northern Illinois University. He also holds a Master of Business Administration Degree from Kellogg School of Management, Northwestern University.