​Istama T. Siddharta

​President Director

Over 30 years providing tax and financial planning strategies for restructuring, merger and acquisition transactions to the manufacturing, telecommunications, energy,  oil & gas, mining, plantation, consumer markets and financial services sectors. 

​Sukiman Muljana

​Director, Business & Corporate Services

Extensive experience in auditing, accounting, payroll, taxation and corporate areas. He was a consultant and external auditor for seven years with KPMG Indonesia, an internal auditor in one of the largest conglomerate companies in Indonesia and finance manager in a multinational company. Sukiman specializes in manufacturing, financial services, trading, construction, mining and consumer markets. He has also been an University lecturer for more than 10 years

​​Grace Gosal

​Director, Tax Services

Specialized in both corporate and individual  taxation  since 1995. 
She provides tax consulting and compliance services to multinational and domestic companies in many industry sectors, including manufacturing, trading and services.  
She has in-depth knowledge of the full range of Indonesian tax issues, including individual income tax, corporate income tax, VAT, withholding taxes and taxation of employees. She specializes in servicing major Japanese corporations. In addition, Grace manages challenging tax audit, objection and dispute resolution.