in 2014 he retired from academia having reached the compulsory retirement age. he retained his position on international academic journal's editorial boards and as a senior research fellow of a major dutch university. for the next three years. he also continued to accept international assignments from the world bank, usaid, undp and gopac. these involved work in foreign governments and foreign parliaments in helping to improve financial management practices, anti-corruptions systems and oversight practices. he undertook fifteen such assignments over a twenty-year period. he also accepted three invitations to deliver lectures to world bank officials.