He is the incumbent Commandant of the National Defence College, Sri Lanka and former Deputy Chief of Staff of the Army.

[1] Prior to join SLVF, he served as the Commander of Security Forces (West) and (Jaffna).

Yapa served as General Officer Commanding (GOC) of 57 and 14 Infantry Divisions.

[5] On 14th December 2022 he assumed the post of Deputy Chief of Staff (DCOS), 3rd most senior appointment of the Sri Lanka Army.

General Yapa happily married to Mrs. Nayani Samanthi and the couple is blessed with two sons.