MarenicaEnergy Ltd. said May 2 that its CEO, Murray Hill, was appointed asthe company's managing director.

Hill took on the company's CEO post in May 2012 and is theprincipal architect in the development and design of Marenica's proprietaryuranium concentration process, U-pgrade.

The company's board also named Riccardo Vittino as part-timeCFO to strengthen financial management as it moves to commercialize U-pgrade,while maintaining the company's low-cost and flexible business model.

Vittino also serves as a part-time CFO of

John Sestan has also been appointed as chief commercialofficer, also on a part-time basis.