His administration faced two service interruptions in July and August 2007 caused by torrential rains, including the storm associated with the 2007 Brooklyn tornado.
[8] Sander served as Commissioner of the New York City Department of Transportation under Mayor Rudolph Giuliani from 1994 to 1996, where he was credited with improving the agency's performance, including eliminating graffiti and debris from the City's highways and bridges, and completing the reconstruction of Columbus Avenue in record time, while reducing the agency's budget by 20%.
Sander was President and Chief Executive Officer of the HAKS Group, an architectural and engineering firm specializing in water, wastewater, transportation, and buildings, from November 2011 until January 2015.
[10] Prior to that, Sander served as Group Chief Executive, Global Transportation for Aecom, from August 2009 to November 2011.
[12] Sander is Chairman Emeritus of the Regional Plan Association, Vice-Chairman of the Greater Jamaica Development Corporation, and on the Board of the Leo Baeck Institute.