London-based Guggenheim Securities International has added Mark Bentley as a senior managing director in the power, energy and renewables investment banking group in Europe.

Prior to joining Guggenheim, Bentley served as managing director and partner at Greenhill & Co., where he advised clients in the energy and natural resources industries.

Guggenheim Securities International is the international investment banking and capital markets division of Guggenheim Partners, a global advisory firm reporting more than $240 billion in assets under management.