“I am delighted to be able to announce Rob as the new Chair of TISEA,” said Mr Geffen.
“Since taking the role myself, I have found it hugely rewarding and as an esteemed and experienced capital markets lawyer, Rob is ideally positioned to pick up the baton.”
Mr Trefny has spent more than a decade working in New York. In 1999 he moved to London to work as Capital Markets Partner at Clifford Chance.

Pictured: Mr Trefny said he is hugely excited to start working with his fellow board members.
“I am extremely pleased to be succeeding Charlie as Chair of TISEA,” said Mr Trefny.
“He has made a significant impact in working with the executive team to ensure that we are offering a first-class regulatory environment for listing and trading on the Exchange.”
Pictured top: The International Stock Exchange is a listing and trading facility for investors from around the world.