A graduate of San Beda College of Law, Manila, Atty. Tamondong was admitted to the Philippine Bar in 2017.
Prior to law school, he graduated Cum Laude with a degree of Bachelor of Arts in Political Science at the University of Santo Tomas.
Atty. Tamondong was previously connected with the Local Government Development Foundation where he worked with the office of Sen. Fedinand Marcos, Jr., Sen. Aquilino Pimentel, Jr. and Cond. George Arnaiz.