Jonathan Kellner to Lead MEMX
The former CEO of Instinet is named as the head of the newest US stock exchange.

On January 7, it was announced that a group of nine financial services firms would come together to launch an equities venue dubbed the Members Exchange (MEMX). The startup finally has its first public face: Jonathan Kellner.
Kellner was previously the CEO of Instinet. He started at the agency broker in 2007 after Nomura Group bought the company. He took the chief executive reins in 2014, but in August 2018 it was reported that he would be stepping down. Then, in October, it was announced that
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