Peter Mutuku Mathuki (born 20 February 1969) is a Kenyan diplomat, private sector development expert, and former Secretary-General of the East African Community who currently holds the position as Ambassador of Kenya to Russia.

[2][3][4] Mathuki holds a Master of Business Administration (MBA), and a Doctor of Philosophy (PhD) in Strategic Management and Regional Integration from the University of Nairobi.

[7] He also oversaw the deployment of East African Regional Forces to the Democratic Republic of the Congo to fight the March 23 Rebel Group, before their exit from the country in December of 2023 following DRC President Félix Tshisekedi's inaction in renewing the contract.

[10] In May 2024, Mathuki was appointed as the Kenyan Ambassador to Russia and therefore leaving his role as the Secretary-General of the East African Community.

[1] On May 14 2024, the EALA announced that it will investigate Dr. Mathuki for corruption and abuse of office, with charges including fabricated travel expenses and favoritism in hiring of staff and consultants.