Annes William Siadari as a founder and managing partner of the firm obtainded his Law degree from University of Padjajaran. Now he is master Law from University of Pelita Harapan.

Previously associated with a major Corporate and litigation Law firm in Jakarta. His particular expertise is in Corporate and Commercial Practice, Litigation and Arbitration Practice. Beside his expertise in handling litigation cases, he has several experiences handling Bankruptcy; Intellectual Property; Foreign Investment; Corporate & Commercial Law; Employment. Annes William Siadari is an active member of professional organisations, including the Indonesian Advocates Association (Perhimpunan Advokat Indonesia) and the Indonesian Receiver and Administrator Association (Asosiasi Kurator dan Pengurus Indonesia).