Liebenberg is a member of Fine, Kaplan and Black. She is a 1970 graduate of the University of Michigan and a 1975 graduate of the Catholic University Columbus School of Law, magna cum laude, where she was the Notes Editor of the Law Review. Thereafter, she served as a law clerk for the United States Court of Appeals for the Fourth Circuit. She concentrates her practice in complex commercial litigation, including antitrust, class actions and white collar criminal defense.
Liebenberg is the recipient of the 2008 Sandra Day O'Connor Award by the Philadelphia Bar Association. This award is conferred annually on a woman attorney who has demonstrated superior legal talent, achieved significant legal accomplishments, and has furthered the advancement of women in both the profession and the community. In May 2007, Liebenberg was named as one of The National Law Journal's "50 Most Influential Women Lawyers in America." In both June, 2008 and June, 2009, she was named as one of the "Top Ten Super Lawyers in Pennsylvania" in Philadelphia Magazine, the only woman to receive this
designation. In October, 2006, Liebenberg was named by Pennsylvania Gov. Ed Rendell as a "Distinguished Daughter of Pennsylvania." In April, 2003, she was named as the first recipient of the Lynette Norton Award by the Pennsylvania Bar Association's Commission on Women in the Profession. That award was given to her in recognition of her outstanding litigation skills and mentoring of women attorneys. In December, 2003, she was named as one ofthe "Women of Distinction" by the Philadelphia Business Journal and the National Association of Women Business Owners, based on her commitment to professional excellence
and community involvement. Every year since 2004, she has also been recognized by Philadelphia Magazine as one of the "Top 50 Female Super Lawyers in Pennsylvania" and one of the "Top 100 Super Lawyers in Pennsylvania."
Since August 2008, Liebenberg has served as Chair of the American Bar Association's Commission on Women in the Profession, whose first Chair was Senator Hillary Clinton. In addition, she chaired the Pennsylvania Bar Association's Commission on Women in the Profession from 1995 to 1997. She also served as Co-Chair of the Philadelphia Bar Association's Women in the Profession Committee from 2005-2007. Liebenberg was appointed by the Pennsylvania Supreme Court to the Interbranch Commission for Gender, Racial and Ethnic Fairness, and serves as Chair of its Domestic Violence and Sexual Assault Victims Committee. Previously, she was appointed by the Pennsylvania Supreme Court to its Committee on Racial and Gender Bias in the Justice System, where she was Co-Chair of the Gender Bias Committee.
Liebenberg served as Chair of the American Bar Association's Standing Committee on the Federal JUdiciary from 2006-2007. Ms. Liebenberg was one ofthe founders of "Direct Women," an ABA initiative to prepare women lawyers to serve as directors on corporate boards.