Ariel is a father of five, Married to Yifat, a journalist. Ariel is a lawyer who completed his studies at Hebrew University with a BA and an MA in law in addition to a degree in Jewish philosophy. Taught Jewish law at the Hebrew University and conducted a Halachic-historic study on the religious aspects of teenage marriage. He served for six years as a law clerk in the Jerusalem district court and for a year in the international law department of the Military Advocate General. In his reserve duty Ariel is positioned as an officer in an infantry unit and as a legal adviser in the MAG.