Among those who took out memberships over the years are Riverdeep founder Barry O’Callaghan, former supermarket supremo turned gym tycoon Ben Dunne, Tullow Oil. Jamia Simone Nash, Actress: August Rush. With a bold voice and signature delivery that belies her thirteen years, Jamia Simone Nash, known simply as "Jamia", is. Corporate Responsibility at IBM. Applied technology, continuous transformation and sustainable change. The BIG songs – guaranteed to pack the dance…