Toka Diagana was born and raised in Mauritania. He received his PhD in mathematics from the UniversitéClaude Bernard – Lyon 1, France in 1999 and then joined Howard University in Washington DC, USA in August 2000 as a faculty. He became a full professor in July 2007. His research interests are in evolution equations, operator theory, functional analysis, difference equations, stochastic differential equations, integrodifferential equations, and p-adic spectral theory. He has authored over 100 research articles and 6 books in mathematics. Diagana is the founding editor of the "African Diaspora Journal of Mathematics”, "Communications in Mathematics Analysis", and "Journal of Abstract Differential Equations and Applications", and serves as an editor-in-chief and/or an associate editor for several other mathematical journals. Professor Diagana is a recipient of the Mauritanian well-known “Prix Chinguitt”. The Prix Chinguitt in sciences is a national prize awarded yearly to reward the merits of either a citizen of Mauritania or of another country for major research achievements in sciences. The prize was awarded to Professor Diagana in December 2006 during an official ceremony in Nouakchott before the President of Mauritania and the diplomatic corps. Additionally, in Spring 2006, he received the Howard University’s Emerging Scholar award.