He is a skilled mediator, negotiator and public speaker; abilities that serve to increase the client’s value of his analytical work. Andum heads up our Tax Consultancy Service, as well as our innovative work in the field of taxation.

His excellent education and experience background has proven that he has an outstanding knowledge both Indonesia and International tax policy.

Since 1997, he has entered a field of tax by being officer at Tax Office(Kantor Pelayanan Pajak/KPP)Balikpapan, continued to be Tax Auditor from 2002 to 2012 in some of Tax Office in Surabaya and Jakarta.

Furthermore, he has followed some training such as International Tax Planning – Post BEPS IBFD Singapore 2016 and In House Training IHT Perbankan Konvesional DJP 2010. Andum expertise areas are Transfer Pricing, Tax Audit, Tax Compliance and Tax Litigation.

Graduated from STAN Jakarta and having Master Degree in Economic Science from the University of Indonesia and Master of Arts in International Development from International University of Japan. Alex has over 20+ years of experiences in the field of taxation. Throughout his career at the Directorate General of Taxes which began in early 2000, Alex has experienced various positions. Staff at the Head Office of Directorate General of Taxes, Analyst at the Directorate KITSDA, Tax Auditor at various tax offices, and Account Representative at the Foreign Investment Tax Office. Alex also pursued his career as auditor at public accountant office and as accountant at private companies. In 2016, Alex pursued his career as Tax Manager at tax consultant office in the SCBD Jakarta area. In 2018, Alex joined the WiN Partners as Tax Manager. Currently Alex carries out his mandate as Director of the WiN Partners business group. Alex is very experienced in the areas of Transfer Pricing, Tax Audit, Tax Advisory, Tax Planning, and Tax Appeal

Born in Ujung Pandang, Muhammad Armadari last studied in Magister Management Hasanuddin University. Over 30 years of his career as a Government Employees in Indonesian Directorate General Of Tax, Muhammad Armadari served in many important position in the institution, such as Head of Guidance and Counseling Section of Tax in South, West & Southeast Sulawesi and had experienced as Head of Supervision Section & Consulting I of KPP Pratama Jakarta Kebon Jeruk Satu, West Jakarta, Head of Supervision Section & Consulting I of KPP Pratama Jakarta Sawah Besar Satu, Central Jakarta. The highest position served as Head of Tax Office in several regions in Indonesia, and last as Head of KPP Pratama Maros and got retired in 2019. After retiring for 2 years, he got a licence to practice as a Tax Consultant from Ministry of Finance and registered with a practice licence number: KEP 7816/IP.C/PJ/2021. In 2021 he started to join WiN Partners, as Director in Makassar Branch.