
Simon Fennell
Partner, Portfolio Manager

About Simon
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 in London and Hong Kong, working in the M&A and debt capital markets groups.
Simon received an M.A. from the University of Edinburgh and an M.B.A. from Cornell University’s Samuel Curtis Johnson Graduate School of Management.
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About William Blair
William Blair is a premier global boutique with expertise in investment banking, investment management, and private wealth management. We provide advisory services, strategies, and solutions to meet our clients’ evolving needs. As an independent and employee-owned firm, together with our strategic partners, we operate in more than 20 offices worldwide.*

Year William Blair was founded

Employees worldwide

Client assets

Independent and employee-owned

Offices worldwide

Companies under coverage
As of March 31, 2022
*Includes strategic partnerships with Allier Capital, BDA Partners, and Poalim Capital Markets.