Total Nigeria Plc announced that its Board of Directors has appointed Prince Jefferson Emeka Nnamani as Executive Director, Technical of the Company effective 30 April 2015. He started his career as a sales representative with the then Elf Marketing Nigeria Limited in 1989. He was the company's pioneer staff in Borno State and after successfully establishing the company's presence in the State, he was assigned to Lagos as the industrial Sales Executive in 1994.

He became the first senior Network inspector for Lagos Region in 1995 and given his successful performance was again assigned to the Eastern region to cover both Network and industrial sales as the Sales Executive, Eastern Region in 1996, a position he occupied until he rose to the position of Regional Manager North Central, Elf Oil Nigeria Limited in 1999. By 2004, Prince Nnamani was moved to Lagos as head of the regional office; the pioneer Regional manager of Lagos and western Region from 2005 to 2007 as territorial Sales Manager West. In May 2008, he became the General Manager Sales, and in 2011 he was appointed General Manager Strategy, a position he held until his appointment in April 2015 as Executive Director, Strategy, Total Nigeria Plc.

He is a well-known industry expert with more than 25 years downstream experience. Member Board of Directors NICON Insurance Corporation (2001 - 2006) Member Governing Council, Yaba College of Technology (2006 - 2010) Fellow, Institute of Credit Administration of Nigeria (FICA).