Douglass Winthrop


Our team works hard to foster a culture of unwavering commitment to putting our clients’ interests first.

Mary Kush


Mary is a principal in Douglass Winthrop Advisors, LLC. Previously, she was the COO, CFO and Senior Equity Analyst at Eagle Capital Management LLC, where she oversaw day to day operations and was responsible for equity research and idea generation for the firm’s portfolio. Mary was an early partner at Eagle, helping grow the firm from $300 million in assets under management to almost $30 billion when she retired in 2018.

Mary is on the board of the Park Avenue Armory, where she serves on their Audit and Finance Committee. She is a member of the Lehigh University Investment Committee.  Mary is also a member of the Cornelia Connelly Finance Committee.

Mary graduated from Lehigh University in 1988 with a BS in Accounting and received her MBA in Finance and MS in Taxation from Fordham University in 2001 and 2002, respectively.