Andrew Siepker, CFA, Partner

Portfolio Manager

Andrew Siepker, CFA, partner, is a portfolio manager for the International Growth and International Small Cap Growth strategies at William Blair Investment Management. He is also a member of the firm’s extended leadership group. Formerly, Andy held roles as an equity research analyst covering large-cap industrials, a small-cap consumer analyst, and a research associate on William Blair’s sell-side focused on e-commerce and hardline retailers. Before joining the firm in 2006, Andy was a financial analyst in a finance training program at First Data Corporation. He is a member of the CFA Institute and the CFA Society Chicago. Andy received a B.S. in finance, with high distinction, from the University of Nebraska.

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Issued in the United Kingdom by William Blair International, Ltd., authorized and regulated by the Financial Conduct Authority (FCA), and is only directed at and is only made available to persons falling within articles 19, 38, 47, and 49 of the Financial Services and Markets Act of 2000 (Financial Promotion) Order 2005 (all such persons being referred to as "relevant persons").

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Issued in Australia by William Blair Investment Management, LLC (“William Blair”), which is exempt from the requirement to hold an Australian financial services license under Australia's Corporations Act 2001 (Cth). William Blair is registered as an investment advisor with the U.S. Securities and Exchange Commission (“SEC”) and regulated by the SEC under the U.S. Investment Advisers Act of 1940, which differs from Australian laws. This material is intended only for wholesale clients.

Issued in Singapore by William Blair International (Singapore) Pte. Ltd. (Registration Number 201943312R), which is regulated by the Monetary Authority of Singapore under a Capital Markets Services License to conduct fund management activities. This material is intended only for institutional investors and may not be distributed to retail investors.

Issued in Canada by William Blair Investment Management, LLC, which relies on the international adviser exemption, pursuant to section 8.26 of National Instrument 31-103 in Canada.

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