The first match for the tactician will be on Wednesday against former team KCB on Wednesday
Former Gor Mahia assistant coach Frank Ouna is set to take over at Mathare United after the sacking of Salim Ali.
The Slum Boys management opted to make the changes in their bid to save the team from relegation in the ongoing Football Kenya Federation Premier League campaign.
The 2008 league champions have been struggling to get positive results consistently since the start of the campaign. They started the league late after tussles with the federation regarding the broadcasting rights before being reinstated later on.