Bureau of Internal Revenue (BIR)

Deputy Commissioner

Estelita Caleon-Aguirre is a distinguished tax expert and public servant who served as Deputy Commissioner of the Bureau of Internal Revenue, where she played a key role in tax administration and revenue management. Known for her integrity and expertise in taxation, she has also contributed significantly to the accounting profession through leadership, education, and public service.

Entering the Bureau of Internal Revenue (BIR) on April 20, 1965, as a Revenue examination Aide II (a rank and file position), Ms Aguirre rose from the ranks to reach the top management of the BIR when she was appointed by President Fidel V. Ramos as Deputy Commissioner (the second-highest ranking position in the revenue service) for Resource Management on November 30, 1995 and later as the first female Deputy Commissioner for Operation in 1997. President Joseph Estrada re-appointed her as Deputy Commissioner for Resource Management on July 1, 1998 while President Gloria acapagal Arroyo re-appointed her to the same deputy position on March 22, 2001. She was also appointed by President Arroyo as a member of the Professional Regulatory Board of Accountancy on August 19, 2002.