London 08/07/2016 - Rob McMillan, formerly of GECX Group, has joined global merchant commodities firm Hartree Partners, FastMarkets understands.
Former colleague Steve Barbouttis is also set to join the company - which was formed as Hess Energy Trading in 1997 - imminently.
McMillan was formerly the senior metals trader at GECX Group while Barbouttis was a trader of zinc and copper.
The pair will join Dafydd Davis - the former senior base metals trader at Engelhart Commodities Trading Partners (formerly BTG Pactual Commodities) - who is set to join the firm in from mid-August, FastMarkets also understands.
(Editing by Mark Shaw)