David Mwangangi has been appointed as interim CEO of the National Social Security Fund.
Mwangangi is expected to take over on Tuesday, November 22.
This followed the retirement of the CEO Anthony Omerikwa on Monday, November 21.
"Today is the last day of the CEO of NSSF and marks a momentous change of leadership in an institution that I have steered with dedication as a team leader for over seven years," Omerikwa said in a statement.
He thanked President William Ruto, the Board of Trustees of NSSF headed by Retired General Julius Karangi and the Ministry of Labor for providing him with an enabling environment.
The outgoing CEO joined the fund 11 years ago as a manager.
He then rose to the rank of general-manager operations.
In 2015, Omerikwa was appointed acting CEO, and held the position for four years until 2019, when was appointed CEO/ managing trustee of NSSF.
During his time, the fund's net value of assets increased from Sh165 billion to Sh295 billion.
In the same period, NSSF innovated and implemented the 'Haba Haba' informant sector.
"As I leave the fund, I am a very proud Kenyan for all we have achieved in transforming the institution," Omerikwa said.
He added:
"It has been a deeply humbling experience serving my country through this institution, I take with me great memories and valuable lessons."