Career
As a former priest, he worked as a Priest at the Immaculate Concepcion Parish in Baclayon, Bohol. Saint Michael the Archangel Parish in Jagna, Bohol. And Saint Anthony de Padua Parish in Sikatuna, Bohol.
Cajes served as a Chaplain at the Knights of Columbus Parish in Tagbilaran, Bohol.
He worked at the Immaculate Heart of Mary Seminary and University of Bohol in Tagbilaran City as a professor He then became an attorney-at-law in Roberto Cajes Law Office in Talibon, Bohol.
From 1992 to 1995, he served as the Provincial Board Member, and then again from 1998 to 2001. He finished his magisterial and doctoral degrees and completed the Bachelor of Laws at the Holy Name University (Divine Word College of Tagbilaran).
During his first term as congressman, Cajes, who was a neophyte, earned the respect of his colleagues that lead to his seat as Senior Vice Chairman of the Committee on Transportation and Telecommunications, a seat that is rarely given to neophyte solons.
In his second term, Cajes became the Chairman of the Ethics Committee. During his chairmanship, the committee had caught media mileage as it delved into national issues that shook the country and even affected its economic activity to include the controversial alleged wealth of the first family in a German Bank. Cajes led the investigation team to Germany to conduct a probe on the allegations against the first family.
His leadership in the committee has paved the way for a fair and impartial resolution of said case.
This tribunal hears and decides election contests and protests.