President Bola Tinubu has approved the reappointment of Prof. Samson Duna as the Director General of the Nigerian Building and Road Research Institute (NBRRI) for another four years. This was contained in a statement by Deputy Director of Information, NBRRI, Mr. Peter Mashem, on Tuesday in Abuja. According to the statement, the reappointment was conveyed in a letter by Secretary to the Government of the Federation (SGF), George Akume. Duna had been serving as the Director-General of the Institute since his initial appointment in 2020. “Duna is an erudite Professor of Civil Engineering from Bil…