Dr. Atang received his bachelor's and master's degree at the Indonesian Islamic University in Yogyakarta. He then continued with his Doctoral Program at Padjadjaran University in Bandung.

Besides being a lawyer, Dr. Atang is also an active lecturer at the Faculty of Law of Pasundan University in Bandung. Previously, he was also active in teaching law at the Parahyangan University, Unikom, and Maranatha University, all based in Bandung.

Dr. Atang has also served as an Expert Staff of the House of Representative (DPR-RI) and Regional Representative Council (DPD-RI) of the Republic of Indonesia for the period of 2004 to 2019. Currently, he has been appointed as the Special Staff of the Indonesian People's Consultative Assembly Leader (MPR-RI) for the period of 2019 to 2024.

With a wealth of experience both in student organizations and having his own office of DR Iriawan & Irawan Law Firm, Dr. Atang now serves as the Senior Advocate with strong reliability in handling advocacy issues and corruption crimes cases.