Tanzania, July 15 -- Dar es Salaam. For 17 years, Mr Ombeni Sefue worked at the centre of the presidency, first as a presidential aide and later as Chief Secretary.

While many associate state house with prestige and influence, he says the reality was defined by immense responsibility, relentless pressure and little room for errors.

In an interview with Mwananchi Communications Limited (MCL) journalists, the veteran diplomat reflected on a career that spanned four administrations, those of Presidents Ali Hassan Mwinyi, Benjamin Mkapa, Jakaya Kikwete and John Magufuli.

He described speech writing and serving as Chief Secretary as among the most demanding assignments in public service, requiring discipline, constant preparation and a will...