A new player in Wall Street trading has made a key hire

Mizuho, the Japanese bank with big ambitions in Wall Street trading, has made a key hire.
The bank has hired Massimo Tassan-Solet, a former Goldman Sachs and Deutsche Bank executive, as head of derivatives trading. He will report to Thomas Hartnett, head of fixed income sales and trading, and play a key role in the build out of Mizuho's derivatives platform. 
Tassan-Solet is a former head of US dollar interest rate options trading at Deutsche Bank, working with Hartnett at the Ger