About Wincen Santoso

Wincen Santoso of Santoso, Martinus & Muliawan Advocates is a New York- and Indonesia-qualified attorney with more than 17 years of experience. He has represented the Indonesian government and multinational corporations in various sectors. Wincen has advised major multinational companies on doing business in Indonesia, including major pharmaceuticals and medical device companies. He is ranked in Chambers Asia-Pacific 2025, which noted: “Wincen Santoso has a very strong commercial vision. He is a seasoned, versatile, and insightful lawyer”. As described in Chambers Asia-Pacific 2026, “[h]is experience is not just deep, but also broad, which allows him to provide sophisticated risk assessments and strategic advice that is both practical and insightful”.


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