Simon Fennell, partner, is a portfolio manager for William Blair’s International Growth, International Small Cap Growth, and International Leaders strategies. He joined William Blair in 2011 as a technology, media, and telecommunications research analyst focusing on idea generation and strategy more broadly. Before joining William Blair, Simon was a managing director in the equities division at Goldman Sachs in London and Boston, responsible for institutional equity research coverage for European and international stocks. Previously, Simon was in the corporate finance group at Lehman Brothers.

Alaina Anderson, CFA, partner, is a portfolio manager for the International Leaders and International Leaders ADR strategies. Previously, she was a global research analyst covering real-estate, utilities, and engineering companies. Before joining William Blair in 2006, she was a senior analyst in the investments department of the MacArthur Foundation, where she provided research support for internally managed portfolios and was involved in investment manager due diligence, selection, and monitoring for the foundation’s U.S., non-U.S., and hedge-fund portfolios. Before joining the MacArthur Foundation, Alaina was an investor relations consultant with Ashton Partners and a financial advisor with UBS Painewebber. She is a fellow of Leadership Greater Chicago, a board member of the North Lawndale Employment Network, and a member of the CFA Institute and the CFA Society Chicago. Alaina received a B.S. from the Wharton School at the University of Pennsylvania and an M.B.A. from the University of Chicago’s Booth School of Business.

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.