The group noted that Silberstein joined AIM-traded Xtract in mid-2013 and was appointed its finance director in February 2014. He subsequently assisted in several corporate transactions, including those surrounding the Manica gold mining operations, and has experience of working in multiple jurisdictions around the world, it added.
In a statement, Colin Bird, the chairman of Galileo commented: "We welcome Joel to the board and are sure that his previous and ongoing experience in the small-cap resource sector will assist us greatly in our ongoing mission."
Silberstein qualified as a chartered accountant with Mazars, Cape Town in 2002, and subsequently joined Toronto-quoted European Goldfields Limited. There he held the position of Group Financial Controller and Vice President Finance, supporting the executive team in growing the company through its exploration and development phases, until it was bought by Eldorado Gold in a C$2.5bn deal.
He is a member of the Institute of Chartered Accountants of South Africa as well a Fellow of the Institute of Chartered Accountants in England and Wales, Galileo noted.