Credit Suisse (CS)’s Japan head of solutions and sales quit last week, joining the wave of departures at the investment bank division.

Tomoyuki Sasai (pictured) ,  managing director, head of solutions and sales for Japan   has resigned from the role last week after 14 years at the Swiss bank,  according to two sources close to the matter who did not say where he is going.   He reported to Min Park, head of markets, Asia Pacific (Apac) at CS.  Sasai, who has over 25 years’ experience in equity derivatives marketing, sales and structuring, joined CS as director, Japan equity structured products ma