Allegheny Conference Announces 2027-2029 Board Leadership Team

Allegheny Conference Announces 2027-2029 Board Leadership Team
CEO Pashman Announces Plans to Step Down Later This Year

PITTSBURGH, PA - In keeping with its established governance model of leadership rotation every three years, the Board of Directors of the Allegheny Conference on Community Development announced today that it has elected its leadership for the 2027-2029 term. Leroy M. Ball, Chief Executive Officer and Chairman of Koppers, will serve as the incoming Chair of the Allegheny Conference. Mark Wiedman, President of The PNC Financial Services Group, Inc., has been elected to serve as Vice Chair.

With the forthcoming Board leadership transition, Allegheny Conference CEO Stefani Pashman also announced her plans to step down later this year from her role at the organization. In doing so, she reflected that this transition point provides a natural opportunity to align new executive leadership with the organization's next phase of work, bringing forward fresh perspective and energy. Pashman further expressed her gratitude for leading the organization over the last 8.5 years.

Since being elected President and CEO of Koppers in January 2015, Leroy Ball has led the company with a focus on safely and sustainably preserving global infrastructure while anchoring the company's culture around its values of People, Planet, and Performance. He originally joined Koppers in 2010 as VP and Chief Financial Officer before serving as Chief Operating Officer in 2014. Prior to his tenure at Koppers, Ball spent a decade with Calgon Carbon Corporation, serving as Controller and Senior VP and Chief Financial Officer. He also previously held essential financial roles at Carmeuse Lime Co./Dravo Corporation.

He is highly active in the Pittsburgh community, serving on the boards of ATI Inc., Highmark Health, The Advanced Leadership Initiative (TALI), Blood Cancer United, and the Hillman Family Foundations. He holds a bachelor's degree from Florida International University and an MBA from Robert Morris University.

"I am honored to be selected as the next Chair of the Allegheny Conference," said Ball. "I am excited to work with Mark, the Board, and Conference leadership on mapping out the next phase of our strategy to grow the region and build upon the momentum created under David and Stefani's leadership."

Mark Wiedman is responsible for driving PNC's core business segments and growth strategy. Prior to joining PNC in April 2025, Wiedman spent 21 years at BlackRock, including 13 years on the executive committee. His extensive public and private background also includes serving as senior advisor to the Under Secretary for Domestic Finance at the U.S. Treasury, an associate at McKinsey, and a law clerk on the U.S. Court of Appeals for the Seventh Circuit in Chicago. teaching finance and policy at Yale Law School.

He serves on the board of Focusing Capital on the Long Term and is a member of the Council on Foreign Relations. Wiedman earned a Bachelor of Arts in Social Studies from Harvard College, and a Juris Doctor from Yale Law School.

"What sets Pittsburgh apart is the way its business, civic, and community leaders come together with a shared purpose, and the Allegheny Conference is a powerful example of that collaboration in action,"
said Wiedman. "PNC is proud to be headquartered in a city where partnership drives progress, and we remain deeply committed to invest in the Pittsburgh region's continued growth and long-term success."

The newly appointed officers will officially assume their roles on January 1, 2027, marking the organization's standard triennial passing of the baton. They succeed current Conference Chair David L. Holmberg, Chief Executive Officer of Highmark Health, who will conclude his term at the end of 2026. This seamless leadership transition ensures steady executive oversight and continuity for the Conference's long-term regional economic and community development initiatives.

Incoming Chair Leroy Ball will lead the search committee to select the new CEO of the Conference. Pashman will remain CEO until a successor has been named.