Mark Gilbert served as Vice Chairman of UBS Private Wealth Management in the Americas from July 2017 until February 2023. From 2014 to 2017, he served as the United States Ambassador to New Zealand and The Independent State of Samoa.

On November 19, 2016, Ambassador Gilbert was awarded the United States Navy's Distinguished Public Service Award – the U.S. military's highest civilian honor – for "exceptional service" and "presiding over a historic strengthening of the Navy's and Marine Corps relationship with New Zealand."

Mark has over 35 years of experience in the financial industry, working with institutions, corporations, and private wealth families. He has built strong relationships with entrepreneurs, family offices, and wealthy individuals, using his diverse background, geopolitical knowledge and myriad experiences to provide sophisticated investment solutions.

Before his banking career, Mark played professional baseball for eight seasons, reaching the major leagues with the Chicago White Sox in 1985. He is the first former major league player to become a United States Ambassador.

Mark is Chairman of the Board of the Foundation for Clean Sport, created by the World Anti-Doping Agency to enhance the fight against doping and protect clean athletes. Its mission is to identify and fund educational, scientific or other projects to complement or support ongoing activities from the World Anti-Doping Agency or other anti-doping organizations.

Mark is a member of Meridian International Center's Advisory Committee for Diplomatic Engagement, which brings together the diplomatic corps with U.S. public and private sector leaders to collaborate on solutions to modern global issues. He is also a member of the National Democratic Institute's

Ambassador's Circle a nonprofit, nonpartisan, nongovernmental organization, that works to establish and strengthen political and civic organizations, safeguard elections, and promote citizen participation in every region of the world.

Mark previously served on the Development Committee and Utah Advisory Board of the Sundance Institute, and served as Chairman of the Board and Chairman of the Finance Committee at the Pine Crest School. Mark is a graduate of Florida State University.