International Leaders Fund

Fund manager head shot

Ken McAtamney

Portfolio Manager for the William Blair Global Leaders and International Leaders strategies. Ken joined William Blair in 2005 and previously served as co-director of research, as well as mid-large cap Industrials and Healthcare analyst. Prior to joining William Blair, Ken was a Vice President for Goldman Sachs and Co., responsible for institutional equity research coverage for both international and domestic equity, and he was a Corporate Banking Officer with NBD Bank.

Education: B.A., Michigan State University; M.B.A. Indiana University.

Tenure with William Blair: Since 2005

Fund manager head shot

Simon Fennell

Portfolio manager for the International Growth and International Leaders strategies. Since joining the firm in 2011, Simon previously served as a TMT Research Analyst, also focusing on idea generation and strategy more broadly.  Prior to joining William Blair, Simon was a Managing Director in the Equities division at Goldman Sachs in London and Boston, where he was responsible for institutional, equity research coverage for European and International stocks. Previously, Simon was in the Corporate Finance Group at Lehman Brothers in London and Hong Kong, working in the M&A and Debt Capital Markets Groups.

Education: M.A., University of Edinburgh; M.B.A., Johnson Graduate School of Management, Cornell University.

Tenure with William Blair: Since 2011