Mac Pier is president and founder of the New York City Leadership Center and has hosted a half dozen urban consultations for 10,000 leaders since 1995. He is the author of The Powe...lihat lebih banyakMac Pier is president and founder of the New York City Leadership Center and has hosted a half dozen urban consultations for 10,000 leaders since 1995. He is the author of The Power of a City at Prayer.lihat lebih sedikit