![L-R: Lee Hodgkinson, Mark Makepeace and Kay Swinburne](https://s.wsj.net/public/resources/images/FN-AB840_lse_M_20171019125831.jpg)
Xavier Rolet has announced his decision to step down as chief executive of the London Stock Exchange before the end of 2018. His will be big shoes to fill.
The former Lehman Brothers equities trader has helped diversify the iconic exchange beyond its traditional capital markets business, placing a huge emphasis on post trade and information services.