Debbie Landau will leave her post in mid-December after 12 years leading the organization.
Three 8-foot water towers containing neon lights and mirrors will go on display in Madison Square Park.
Three 40-foot bronze trees will be incorporated into the park's natural landscape beginning Sept. 26.
Artist Orly Genger is known for her use of intricately hand-knotted nautical rope covered in paint.
The sculpture, by artist Leo Villareal, will be on display from Oct. 25 through February 2013.
Madison Square Park will hire a curator to continue its popular contemporary art exhibitions.
Artist Charles Long will create a network of pipes in the park that will produce sound when touched.
The giant head may be gone, but public art in Madison Square Park is alive and well, with a new sculpture series unveiled on Sept. 22, 2011.
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