Prior to Dobol A, Clavio worked as a correspondent for the radio station DWIZ as a senate reporter.

He was offered to co-host his first radio program alongside Sotto, fresh from her three-year stint as host of Katok Mga Misis!

[2] The second run of the program silently ended its broadcast on December 31, 2020, weeks after Ali Sotto left the network due to some issues regarding her status in the radio station.

During its last episodes, Clavio was accompanied by Rowena Salvacion and Kathy San Gabriel as Sotto's substitute anchor.

On January 4, 2021, the network revived the program One on One with Igan, which was renamed as One on One: Walang Personalan, hosted by Arnold Clavio and Rowena Salvacion (later on, with Connie Sison), as replacement for Dobol A.