Mark A. Whitaker, CFA, Senior Managing Director and Equity Portfolio Manager, is involved in portfolio management for Funds. Mark is an equity portfolio manager on Wellington Management's Mid Cap Opportunities Team, which manages accounts for a globally diverse group of individual, institutional, and mutual fund clients. Prior to joining the firm in 2004, Mark was an equity research analyst at Morgan Stanley, covering packaging and containers and electrical equipment (2000 — 2002). Before that, Mark was a cash management consultant at Ernst & Young (1999 — 2000). Mark received his MBA from Stanford University (2004) and his BS in business administration from the University of Kansas, Lawrence (1999). He holds the Chartered Financial Analyst designation.

Mr. Katz has managed the MainStay WMC Enduring Capital Fund since February 2024. Mr. Katz is an equity research analyst on the Durable Equity Team, where he focuses on the Durable Companies and Durable Enterprises approaches. Prior to joining Wellington, Mr. Katz co-founded Durable Partners, a long-term oriented investment firm focused on investing in small/mid-size private companies. Mr. Katz previously worked as an analyst in the Public Equity Group at Bain Capital from 2013 to 2019, as an associate at Clayton, Dubilier & Rice from 2010 to 2012, and as an investment banking analyst at Goldman Sachs from 2008 to 2010. Mr. Katz earned his MBA from Harvard Business School and his A.B. in economics from Princeton University.