The Committee of Seventy

, the 110-year-old nonprofit Philadelphia nonpartisan, good government, good-governance watchdog group, has elected

Stephen S. Tang

chairman. Tang, who is president and CEO of the University City Science Center, succeeds

Mike Carbone

of TD Bank.

People's Light & Theater, Malvern, has elected Romona Riscoe Benson and Colin Kelton to its board. Benson is manager of corporate relations with Peco Energy Co. Kelton is a principal of retail marketing and communications at Vanguard.

Glenmede Trust Co. N.A., a Philadelphia investment and wealth-management firm, has named Joseph N. Pew V to its board. He is an attorney with Scarff Law Firm, P.L.L.C.

The Center City Proprietors Association has elected the following officers: Linda Karp, president of Karp Marketing, president; Joe Wolf, a retail consultant, vice president; Eric Marzluf, a partner at Caesar, Rivise, Bernstein, Cohen & Pokotilow Ltd., secretary, and Neal Herzog, owner of Signarama Center City Philadelphia, treasurer.

The following were named board directors: Peter McEllhenney, principal and chief content officer of Endgame; Sharen Nocella, chief marketing officer at Obermayer Rebmann Maxwell & Hippel L.L.P.; and Patty Tawadros, owner of Xercel.

Robert H. Louis has been elected vice president of the Spring Garden Soup Society, a nonprofit that aides needy families in Philadelphia through the support of homeless shelters and soup kitchens. He is a partner and cochair of the personal wealth, estates, and trusts practice at Saul Ewing L.L.P., Philadelphia.

Wesley T. McMichael has been elected to the board of Citizen Diplomacy International of Philadelphia (formerly the International Visitors Council). He is a shareholder at Volpe & Koenig P.C., an intellectual-property law firm with offices in Philadelphia and Princeton.

The Gesu School, an independent Catholic, Jesuit school in North Philadelphia, has elected Aliya Browne to its board of trustees. Browne is a board-certified clinical cardiologist and an ambassador for the American Heart Association and is pursuing a fellowship in integrative medicine and a master of divinity degree.

Stephen C. Aronoff, professor and chair of the department of pediatrics at the Temple University School of Medicine, has been elected to active membership in the American Pediatric Society, the oldest academic pediatric society in North America, effective Jan. 1.

Cheryl Kubelick and Jackie Penrod have been appointed to the Pennsylvania Humanities Council, a private, nonprofit, nongovernmental organization dedicated to providing every Pennsylvanian with access to the humanities. Kubelick is former vice president of the Buhl Foundation and the Frick Educational Fund. Penrod is a senior attorney at the AmeriHealth Caritas Family of Cos.

W. Russell McDaid has been promoted to president and chief operating officer of the Pennsylvania Health Care Association from chief operating officer and executive vice president. The association is a statewide advocacy organization for Pennsylvania's most vulnerable older residents and their care providers.

- Mike Zebe