Njambi Koikai (r) penned a touching letter to President William Ruto (l), 10 days before she died. What was Njambi Koikai's last request to William Ruto? Two weeks ago, the media personality and emcee penned a lengthy message to President Ruto during his US state visit. Njambi talked about her condition, urging the president to invest in healthcare and declare endometriosis a national disaster. Mr. President, one of the thematic areas in your visit is investment in health," she wrote in part.