col : no. | name | term of office | president(s) served under row 1 : 1 | william bennett | 1989 - 1991 | george h. w. bush row 2 : 2 | bob martinez | march 28, 1991 - january 20, 1993 | george h. w. bush row 3 : 3 | lee p. brown | january 1993 - december 12, 1995 | bill clinton row 4 : 4 | barry mccaffrey | february 29, 1996 - january 4, 2001 | bill clinton row 5 : 5 | john p. walters | december 7, 2001 - january 19, 2009 | george w. bush row 6 : 6 | gil kerlikowske | may 7, 2009 - march 6, 2014 | barack obama row 7 : acting | michael botticelli | march 6, 2014 - | barack obama
which directors are listed? of those, who served the longest term?
john p. walters
No. Name Term of Office President(s) served under
of those, who served the longest term?
1 William Bennett 1989 - 1991 George H. W. Bush
2 Bob Martinez March 28, 1991 - January 20, 1993 George H. W. Bush
3 Lee P. Brown January 1993 - December 12, 1995 Bill Clinton
4 Barry McCaffrey February 29, 1996 - January 4, 2001 Bill Clinton
5 John P. Walters December 7, 2001 - January 19, 2009 George W. Bush
6 Gil Kerlikowske May 7, 2009 - March 6, 2014 Barack Obama
Acting Michael Botticelli March 6, 2014 - Barack Obama
John P. Walters
of those, who served the longest term? || which directors are listed?