When China last week elevated Yi Gang to head the body responsible for its foreign exchange reserves, most attention focused on the gargantuan $2,132bn (€1,499bn, ￡1,295bn) pile of funds under his agency's management.
But Mr Yi's promotion within the People's Bank of China, the central bank, was important for another reason. A former tenured professor from Indiana University, he is one of the government's most senior “sea turtles” – the term used to describe returnees from overseas study.
The nickname comes from the Chinese word for returnees, haiguipai, a homonym for sea turtles.
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