Greg J. Czarnecki

Portfolio Specialist, Research Coordinator

Greg Czarnecki is a portfolio specialist and research coordinator for the Small Cap Value, Mid Cap Value, and Small-Mid Cap Value strategies at William Blair Investment Management. He is also a member of the firm's sustainability leadership team. Before joining William Blair in 2021, Greg served as the head of institutional business development and client service for ICM. Previously, he served as a director for Concordia Advisors, now Mariner Investment Group, a relative-value multi-strategy hedge fund. Before that, Greg was a senior associate at Acadian Asset Management, an investment manager focused on active quantitative equity strategies. He received a B.A. in economics from Boston University and an M.B.A. from the University of Toronto’s Rotman School of Management.

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Greg J. Czarnecki

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