Memo: Xbox CEO Asha Sharma overhauls the group's leadership, including bringing over executives from Microsoft's CoreAI engineering unit where she worked before (Jordan Novet/CNBC)

Jordan Novet / CNBC: Memo: Xbox CEO Asha Sharma overhauls the group's leadership, including bringing over executives from Microsoft's CoreAI engineering unit where she worked before — Microsoft Xbox CEO Asha Sharma told employees in a Tuesday memo that she's appointing new leaders, as the software company looks to return its video game unit to growth.