Ken McAtamney, partner, is a portfolio manager for William Blair’s International Growth, Global Leaders, and International Leaders strategies. He was previously the co-director of research and a mid-large-cap industrials and healthcare analyst. Before joining William Blair in 2005, Ken was a vice president at Goldman Sachs and Co., where he was responsible for institutional equity research coverage for both international and U.S. equity. Before that, Ken was a corporate banking officer with NBD Bank. He received a B.A. from Michigan State University, and an M.B.A. from Indiana University.

Hugo Scott‐Gall, partner, is the head of the global equity team and a portfolio manager for the Global Leaders and Emerging Markets Leaders strategies at William Blair Investment Management. Before joining William Blair in 2018, he was a managing director and head of the thematic research team at Goldman Sachs. In that role, Hugo managed a global team of approximately 15 people who investigated thematic changes, analyzed their effects across industries, and sought to identify long‐term structurally advantaged companies. He and his team produced Fortnightly Thoughts, a publication offering thematic insights across sectors, and GS Sustain, a long‐term‐focused publication that sought to find best‐in‐breed companies, with environmental, social, and governance (ESG) analysis forming an integral part of the process. Hugo also oversaw GS Dataworks, a team that used alternative data to augment fundamental research. Before his move into thematic research, Hugo was an equity research analyst covering European transportation companies. Before joining Goldman Sachs, he was an equity research analyst at Fidelity Investments.

Chandan Khanna, an Associate of William Blair Investment Management, LLC, has co-managed the William Blair Global Leaders Fund since 2025. Before joining William Blair in 2025, Mr. Khanna was a Senior Partner and Portfolio Manager at Eighteen48 Partners, a boutique investment firm based in London where he managed a global equity strategy from 2020 to 2025. Before joining Eighteen48 Partners, he was a Managing Director and Portfolio Manager with Rezayat Investments from 2015 to 2020. Prior to that, Mr. Khanna was a Vice President and Investment Manager at Capital Group from 2008 to 2015. He also worked in investment banking at Morgan Stanley from 2004 through 2006 and as an associate at KPMG from 1999 through 2004. Mr. Khanna has also qualified as a Chartered Accountant. Education: M.B.A., Institut Européen d’Administration des Affaires.