The King of Thailand, Bhumibol Adulyadej, has an estimated net worth of $30 billion as of 2011 according to Forbes. He has reigned for 64 years, the longest reigning monarch in Thailand’s history and the longest serving current head of state in the world. Known as Rama IX, he was born on December 5, 1927 in Mount Auburn Hospital in Cambridge, Massachusetts. He was the younger son of HRH Prince Mahidol Aduljadej and HRH Princess Srinagarindra. He was enrolled by his father in the Public Health program at Harvard University. He briefly attended Mater Dei school in Bangkok but his mother took the family to Switzerland in 1933. He continued his education at the Ecole Nouvelle de la Suisse Romande in Lausanne. He received the baccalauréat des lettres (high-school diploma with major in French literature, Latin, and Greek) from the Gymnase Classique Cantonal of Lausanne. In 1945, he begun studying science at the University of Lausanne, when the family returned to Thailand after the World War II ended.

Bhumidol Adulyadej is credited with a social-economic theory of self-sufficiency. In 2010, Forbes has estimated his personal fortune to be $30 billion. This included the property managed by the Crown Property Bureau which is considered a national property. Since then, he has been consistently listed as number one of “The World’s Richest Royals” by the magazine. He also owns stakes in the publicly listed Siam Cement and Siam Commercial Bank. Recently, he increased his investment in Deves Insurance in order to take it private. While the crown remains technically separate from state, he exerts great influence. The king is thought to have given his implicit blessing during the 2006 coup that overthrew former Prime Minister Thaksin Shinawatra.

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