Dion joined MacalloHarlin Advocates in mid-2017. He has been involved in several cases, such as state administrative, distributorship, and construction disputes. He has also assisted clients with certain employment matters.
Dion graduated from the Faculty of Law, Parahyangan Catholic University in 2016. Before joining MacalloHarlin Advocates, Dion was a Junior Associate at Rosetini & Partners, where he was involved in several corporate and commercial transactions, as well as general corporate matters. Prior to this, he was an Intern at Assegaf Hamzah & Partners. In late 2017, Dion passed the Indonesian bar exam.