Born in Kenema, Jusu Kallon attended the Islamic Secondary School where he became Senior Prefect.

He was among the first crop of WASSCE students (2000), and did extremely well by topping the Eastern Region which later catapulted him to gain enrollment at Fourah Bay College, University of Sierra Leone where he graduated with a B.A. degree.

In his quest to satisfy his insatiable academic desire, he later sought admission to study law. He graduated with an LLB Honors and BL from Fourah Bay College. He also gained admission at the Njala University where he obtained a Masters degree in Development.

As a respected personality amongst his colleague lawyers both young and old, Lawyer Kallon continues to be a social and political commentator of no mean feat.

The National Revenue Authority was established on 13th September 2002 through an Act of Parliament, Act No-11 of 2002. Prior to the establishment of the NRA, government revenue collection was fragmented and undertaken by the then Customs and Excise Department, Income Tax Department, Government Gold and Diamond Office and several other Ministries Department and Agencies.

The NRA is charged with the responsibility of assessing and collecting domestic taxes, customs duties and other revenues specified by law, as well as administering and enforcing laws relating to these revenues.