Mark S. Stewart

Tel 215.864.8225
Fax 215.864.8999

Mark S. Stewart is Chair of the firm. Before assuming his full-time leadership position, Mark successfully litigated complex commercial matters, including securities, antitrust, contract disputes, and product liability, on behalf of major pharmaceutical and other corporate clients. He also chaired the firm's Higher Education Practice Group and represented university clients across the country in commercial disputes and other civil litigation.

Under Mark's leadership, the firm expanded to New York in 2013, opening an office in Manhattan as part of Ballard Spahr's combination with the highly regarded litigation boutique Stillman & Friedman, P.C.

Mark is a member of the firm's Diversity and Inclusion Council and is recognized as a leader in the effort to bring greater diversity to the legal profession.

From 2004 to 2011, Mark led Ballard Spahr's strategic initiatives as the firm’s Strategic Planning Partner. During his tenure, he oversaw the opening of offices in Atlanta, Las Vegas, Los Angeles, and Phoenix and the recruitment of lateral partners in all cities in which the firm has offices. As Strategic Planning Partner, Mark was instrumental in Ballard Spahr's addition of Needle & Rosenberg, the prominent intellectual property firm in Atlanta.

Mark also previously chaired the firm's Hiring Committee and co-chaired the Diversity Committee.

Pro Bono Experience

Mark is a member of the team instrumental in overturning a death penalty for a father convicted in the arson death of his two children.

Judicial Clerkships

Hon. Justice Sidney M. Schreiber, Supreme Court of New Jersey

Recognition & Accomplishments

The Best Lawyers in America, commercial litigation, 2019 

University of Delaware College of Arts and Sciences Alumni Achievement Award, 2016

Associated Black Charities Change Agent for More in the Middle Award, 2016

AV Peer Review Rating, Martindale-Hubbell

Recipient, Albert S. Dandridge, III Business Law Section Diversity Award – Philadelphia Bar Association, 2015

Recipient, Profiles in Diversity Journal's 2015 Diversity Leader Award

Recipient of Profiles in Diversity Journal's "CEO Leadership in Action" 2012 Award


"Progress Toward True Diversity," Profiles in Diversity Journal, March/April 2012

Community Activities

For 18 years, Mark served as director of the Jefferson Hospital Philadelphia Distance Run, a world-class half-marathon that is run each September in Philadelphia.

Mark is Chairman of the Board of Students Run Philly Style, an organization dedicated to promoting good health and successful life prospects for Philadelphia students through distance running. The program's adult mentor-coaches work closely with students ages 12 to 18 as they prepare to compete in road races.

Board Memberships

Children's Hospital of Philadelphia Corporate Council

Students Run Philly Style, Board Chair

Dream Camp Foundation

Entoto Foundation

Police Athletic League

Select Greater Philadelphia Council

University of Pennsylvania Law School (J.D. 1982)

University of Delaware (B.A. 1978, with distinction and highest honors)
Recipient, Alexander J. Taylor Award (for outstanding male graduate)

London School of Economics (G.C. 1977)

New Jersey