Tony Tan, who has a Ph.D. in applied mathematics. Tan won the very close
election and joined the government of Prime Minister Lee Hsien Loong,
who also has a degree in mathematics.
President Hu Jintao was trained as a hydraulic engineer and Premier Wen Jiabao as a geo=mechanical engineer. In fact, eight out of the nine top government officials in China have scientific backgrounds.
German Chancellor Angela Merkel has a doctorate in physical chemistry,
and, going back a bit, Margaret Thatcher earned a degree in chemistry.
Complete NY Times:Why Don’t Americans Elect Scientists?