1. KCB Bank Appoints Oigara as New CEO KCB Bank Group has appointed Joshua Nyamweya Oigara as the new CEO taking over from Martin Oduor-Otieno. Otieno retires in April 2013. Oigara is the current Chief Finance Officer at KCB. 2. Retired Teachers Expose Taxpayer to KES 123bn Debt Treasury has…