In this pivotal role, Mr. Bertolino drives growth strategies to enhance the delivery of our fully integrated premier services to clients around the world. Harnessing decades of experience as a trusted advisor, his focus is on strengthening client relationships, fostering cross-border collaboration, and building high performing teams to ensure we deliver the full gamut of A&M’s services to address our clients’ most complex challenges with superior results.  

Through this expanded global approach, Mr. Bertolino unlocks new market entry points and supports broader business objectives, accelerating international expansion and deepening A&M’s impact across industries and geographies.  

With more than 37 years of experience, first as an international tax partner and account leader and subsequently as a global leader, Mr. Bertolino is a strategic executive with a track record for aligning global teams, creating synergies across various capabilities, and driving revenue growth. As a member of A&M’s executive leadership team, he optimizes worldwide operations across technology, market strategy, talent integration, and client service.  

Prior to joining A&M, Mr. Bertolino was with EY where he held the position of Global Leader, People Advisory Services for more than four years, overseeing a team of 15,000 professionals. Before that, he held the role of Deputy Global Vice Chair of Tax, based in the UK, for a global workforce of more than 40,000 professionals. He also spent time managing the US West region practice and leading the international tax services business for the Pacific Southwest region.

Mr. Bertolino earned a bachelor’s degree in accounting with an emphasis in computer science from San Diego State University and completed executive education at the Northwestern University Kellogg School of Management, the Stanford Graduate School of Business, and Harvard Business Publishing.