Hari Prakosa joined SIP Law Firm in 2022.  Prior to joining SIP Law Firm, he worked for Syamsul Djafar & Associate and establishes his own law firm by name of Hari Prakosa and Rekan in Pekanbaru, Riau.

He has developed his expertise in the area of agrarian law,  state administrative law, marriage law and criminal law during his more than 20 years of experience in the legal field.

He is known as a disciplined lawyer who has the capability to resolve complex cases. One of his achievement is his assistance in the settlement of land conflict of oil palm plantations involving transmigrant communities and a palm oil company in Kabupaten Kampar, Riau