Dan Halloran is ICANN's Deputy General Counsel. One of ICANN's longest-serving employees, having joined the organization in May 2000, Dan has previously served ICANN as a Registrar Liaison, Chief Registrar Liaison, and was the corporation's Acting Secretary before General Counsel John Jeffrey assumed that responsibility.

As Deputy General Counsel, Dan works along side John Jeffrey on all ICANN-related legal matters. Dan has particular knowledge and experience with gTLD registrar and registry matters.

Dan is a graduate of Loyola Law School (Los Angeles) and the University of Chicago College, and has studied at the Universidad Nacional Autónoma de México. Dan speaks and writes Spanish fluently, is familiar with Portuguese and has studied Mandarin Chinese.