Dio has honed his expertises in employment law issues, capital market and other general corporate transactions. To date, he has dealt in many banking projects, corporate matters, including but not limited to acquisitions of some of mining companies, investment transactions and other civil matters. He has also advised a U.S. organization on the overview of Indonesian criminal procedural law.
His major works include representing one of foreign seismic companies for its day-to-day business including but not limited to its employment matters and licenses, as well as involved in the right issue transaction conducted by one of Indonesian banking companies. Dio is also a member of the Indonesian Advocates Association (PERADI).