Sergio founded Rustan Consulting in 2001, when he saw the need for ‘World Class Tax Solutions with Local Expertise that are also Down to Earth.’ He gained extensive experience managing the tax and payroll services for multinationals as a tax professional at a leading global tax consulting firm. He is a Registered Tax Court Attorney, a Registered Tax Consultant and an active member of the Indonesian Tax Consultants Association. He frequently engages in overseas tax training and has been a regular speaker at regional seminars. He lives in Jakarta with his family.
Timothy founded Rustan Consulting together with Sergio. He gained extensive experience as tax professional at a leading global tax consulting firm and involved in some tax works/ projects for major oil & gas companies operating in Indonesia. He is a Registered Tax Court Attorney, a Registered Tax Consultant and an active member of the Indonesian Tax Consultant Association. He frequently participates in Indonesian and overseas tax training, and he has been a keynote speaker at tax seminars. He lives in Jakarta with his family.
Edita has been heading the Rustan Consulting Bandung Office since 2010. She started her professional expertise in tax field in Jakarta in 1995. She continues participating in national and international trainings and workshops. She moved to Bandung and lives with her family.
Diahjeng is a Senior Tax Manager at Rustan Consulting. As a registered Indonesian Tax Consultant and Registered Tax Court Attorney, her career started as accounting, finance and tax supervisor at the industry. Before joining the company, she gained experience in a professional UK firm that handles special audit matters for multinational organizations. Diahjeng graduated from the University of Leeds and she participated in overseas tax trainings and seminars.She lives in Jakarta with her family.