In this capacity, he developed the skills for quick thinking and oratory, and he served as an advocate in major commercial and corporate litigations.

While Practicing as a Lawyer, he had the opportunity of representing major foreign companies in Ghana as a Solicitor and Legal Advocate, both in Ghanaian Courts and Arbitral Tribunals.

His political activism earned him the opportunity at the age of 23 to accompany the then President of the Republic, His Excellency, John Agyekum Kufour, on a State Visit to the United Kingdom (UK) in 2007.

[16] In the 2016 general elections, Samuel Abu Jinapor, played a major political advocacy role for the New Patriotic Party (NPP) and candidate, Akufo-Addo.

[18][15] In 2020, whilst still performing his task as Deputy Chief of Staff, he contested as NPP's Parliamentary Candidate for the Damongo Constituency.

The polls were competitive, but Jinapor won to become the first in the New Patriotic Party to become MP for the area since Ghana's return to multipary Democracy in 1992.

[22][23][24][25] In July 2024, he was appointed the Oversight Minister for Energy by President Akufo-Addo following the resignation of Dr. Mathew Opoku-Prempeh,[26] following his nomination as Vice Presidential Candidate for the ruling New Patriotic Party.

Jinapor, a Lawyer and head of the Corporate Law Department of the Social Security and National Insurance Trust (SSNIT) of Ghana and their marriage is blessed with four (4) children.