Addressing the media outside the Supreme Court, Mutunga also announced that the Chief registrar of the Judiciary will continue will continue acting as the Chief Accounting officer and administrator.
Mutunga, 69, exited office a year before the end of his contract so as to pave way for the process of electing a new Chief Justice ahead of the 2017 polls. Mutunga's exit comes at a time when the Judiciary is facing a shakeup following the retirement of Justice Phillip Tunoi and Justice Kalpana Rawal.
He however lamented that certain individuals contributed heavily to the challenges faced by the country's top court and challenged Judiciary employees to safeguard the integrity of the court.
The retired Chief justice praised the milestones he achieved while serving at the top court sighting improved services at county courts and hiring of more judges to improve service delivery.
Mutunga also revealed that he had been appointed envoy in Maldives to try and guide political transition in the Asian country.
" I have accepted an appointment as a Commonwealth special envoy to the Maldives to try and bring the country's political leadership together," Mutunga said.
He added that his new mandate will include supporting political dialogue ahead of the country's general elections in 2108.
He however exuded confidence that the Judiciary as it is was capable of continuing its constitutional mandate and that he had left behind an able team.
"I leave behind a versatile, confident and competent collective leadership in an institution which has confronted every challenge and thrown its way with resolve and finality," he said.
Willy Mutunga was appointed Chief justice and president of the Supreme Court on June 22, 2011.
Mutunga will be remembered for having presided over the presidential petition filed by opposition leader Raila Odinga in 2013, which confirmed Uhuru Kenyatta's victory.