One of the top private equity executives at the London office of Weil, Gotshal & Manges is departing the US law firm, leaving the UK arm with five partners.

Will Rosen has been with the firm more than a decade and was named one of Financial News' Rising Stars in in 2005. He will leave Weil Gotshal at the end of this week and plans to take time off over the summer before deciding his next move.