Morkeberg joins from oilfield service company, Baker Hughes where he was HR director for the European region.
He replaces Nikki Rolfe who moved to the role of Rexam's group HR director of HR at the beginning of the year.
Morkeberg said: "Rexam has a vision to be the best in its industry and our employees are crucial to the delivery of that goal.
"Ensuring our HR programmes and processes realise committed, engaged and well supported employees will be key as Rexam continues to build a winning organisation."
