Edward J. Grefenstette

President, CEO and CIO

Edward Grefenstette serves as the President, Chief Executive Officer and Chief Investment Officer of The Dietrich Foundation. Prior to joining in April 2010, he served as Treasurer and Chief Investment Officer of Carnegie Mellon University in Pittsburgh. He previously co-founded Commonwealth Capital Group, L.P., a small-cap private equity fund, following seven years in investment banking and law. He earned his AB in Economics with honors from Georgetown University, a JD with honors from Georgetown University Law Center, and an MBA in Finance and Strategy with honors from Carnegie Mellon University. In addition to serving as a Trustee of The Dietrich Foundation, he also serves as a trustee and member of the Investment Committee of Carnegie Mellon University, a trustee and member of the Investment Committee of the University of Pittsburgh, a member of the investment committee of the University of Pittsburgh Medical Center (UPMC), a trustee of the Hillman Family Foundations and a director of The Hillman Company.

Matthew W. Rozyczka

Managing Director

Matthew Rozyczka joined in March 2011 and serves as a Managing Director. He focuses on portfolio construction and manager selection in various asset classes including private equity (specializing in buyout and distressed investing), public equity, and hedge funds. Matthew previously served as a Senior Portfolio Manager at Mellon Capital Management, after having served in analyst roles at the Federal Reserve and at Federated Investors. He earned his BS in Finance at Duquesne University and his MBA in Finance at the University of Notre Dame. Matthew is also a CFA and FRM Charterholder.

Ryan L. Vaccaro

Managing Director

Ryan Vaccaro joined in May 2012 and serves as a Managing Director. He focuses on portfolio construction and manager selection in various asset classes including private equity (specializing in venture capital and growth equity), public equity, and hedge funds. He was formerly a Senior Research Analyst with Mellon Capital Management where he performed global quantitative equity research. Prior to his role at MCM, he executed business and derivatives valuations at both Deloitte and Ernst & Young. Ryan is a CFA Charterholder and earned an MS in Management in Operations Research from Case Western Reserve University as well as a BS in Mathematics with honors from Westminster College. Beyond his role at the Foundation, Ryan serves on Investment Committees for The Pittsburgh Symphony Orchestra and the Pittsburgh Cultural Trusts.

Lee S. Tilghman

Managing Director

Lee Tilghman joined in May 2015 and serves as a Managing Director. He focuses on manager selection and portfolio monitoring with a special interest in emerging markets. He was formerly a Transaction Associate with BNY Mellon’s Global Corporate Development team where he analyzed acquisitions, divestitures, and early-stage financial technology investments for the bank. Prior to BNY Mellon, he was a field artillery officer in the US Army’s 101st Airborne Division. Lee earned his BA in Mathematics at Vanderbilt University and his MBA at the University of Pittsburgh.

Nancy A. Watson

Vice President – Finance

Nancy Watson joined in June 2012. Previously, Nancy had served as a Senior Manager in the public accounting firms of Parente Beard LLC and McCrory and McDowell LLC with a concentration in audits of non-profit organizations. Nancy graduated magna cum laude from the University of Pittsburgh with a BS in Business/Accounting. She is a Certified Public Accountant licensed in the State of Pennsylvania.