Andrea S. Markezin is the Treasurer of The Pershing Square Foundation where she is oversees the operational aspects of the Foundation which include accounting, tax, compliance and human resource activities. Prior to this, Ms. Markezin served as the President of Marujupu LLC, the family office of a multi-generational family. In this role Ms. Markezin managed the personal financial affairs of family members, the family foundation, family governance and coordinated issues related to the family control of a public company. Ms. Markezin began her career in public accounting and until 1999, was a partner in the Personal Financial Counseling Group at Ernst & Young. Ms. Markezin has over 20 years of experience in financial counseling to individuals and closely held businesses. A CPA, Ms. Markezin holds an M.B.A. in Tax and Finance from New York University and a B.S. in Accounting from Lehigh University. She has contributed to publications on issues related to tax and financial planning and serves on the boards of several nonprofit organizations.