Lhatu Wangchuk
Lhatu Wangchuk (born December 15, 1951) was a UN Ambassador from Bhutan, having assumed that office in January 2009. He served in this position until January 2014, being replaced by Kunzang Namgyel. Career. Wangchuk had served earlier as an ambassador to Bangladesh between 1998 and 2001, and was the tourism director general of Bhutan. United Nations. In 2011, Wangchuk authored a UN resolution establishing "Gross National Happiness" as a human development indicator (HDI), alongside traditional measures such as Gross National Income. The motion was eventually backed by 66 co-sponsors and was brought into the UN agenda. Lhatu