The following summarizes a 3 April 2013 article published in the American Shipper.
Thomas Winkowski has been given the reins of U.S. Customs and Border Protection following the retirement of Deputy Commissioner David Aguilar, who was the de facto head of the agency in the absence of a politically appointed leader.
Winkowski is now listed as the acting commissioner and Kevin McAleenan is the acting deputy commissioner.
This article is available in its entirety at: http://www.americanshipper.com/Main/News/Winkowski_takes_lead_of_CBP_53451.aspx.