He has served as spokesperson and member of the defense panel for the impeachment of the then-Chief Justice Renato Corona[1][2][3][4][5] and handled other notable cases of Filipino personalities and corporations.

He is a Senior Partner in Romulo Mabanta, Buenaventura, Sayoc, and De Los Angeles Law Firm, where he co-heads the Litigation & Arbitration, and Environment and Natural Resources Departments.

[21] He was elected as Student Council President of the College of Arts and Letters, University of Santo Tomas, where he earned his degree in economics in 1987.

Honorary Degree, Doctor of Philosophy in International Humanitarian Law, National Academy of Security and Defense Planning, Romania.

[33][34] Salvador III is a member of the committee that drafted the Quezon City Litigation Practice, an initiative of the Philippine Supreme Court, with the assistance of the American Bar Association Rule of Law and the United States Agency for International Development.

[35] He was appointed by Justice Roberto Abad in the technical working group for Pre-Trial and Trial for the amendment of the Rules of Civil Procedure.

[38] He is a member of the Technical Working Group of the Supreme Court drafting the Proposed Rules on Unified Legal Aid Service (ULAS) [39] Awardee in Law by the Huwarang Pilipino (Exemplary Filipino) Foundation in 2001 and 2005.

Other members of the Defense Team were its lead counsel former Associate Justice Serafin Cuevas, and prominent lawyers Eduardo delos Angeles, Jose Roy III, Jacinto Jimenez, Dennis Manalo, Ramon Esguerra, and Karen Jimeno former Undersecretary of the DPWH.

[6][54] Media reporters have consulted with Salvador III on his views regarding the looming constitutional crisis predicated on the Impeachment Complaint filed against the seven Supreme Court Justices who voted against Sereno.