Sitorus & Ganda Group May 13, 2011 | Profiles Martua Sitorus is known for his Wilmar International Ltd, a company with market cap of S$27 billion, listed in Singapore but most of operations in Indonesia. How about his brother Ganda Sitorus? To subscribe please click here PreviousLongki Djanggola NextThe marriage of titans: Soeryadjaja & Eka Tjipta