X0202 3 2007-04-01 1 0001135185 ATLAS AIR WORLDWIDE HOLDINGS INC AAWW 0001394268 Steen Michael C/O ATLAS AIR WORLDWIDE HOLDINGS, INC. 2000 WESTCHESTER AVENUE PURCHASE NY 10577 0 1 0 0 SVP & Chief Marketing Officer Exhibit 24 - Power of Attorney /s/ Michael W. Borkowski, as attorney-in-fact 2007-04-02