Diallo joins the Seawolves after spending the previous five seasons (2015-2020) with New York Institute of Technology. Diallo served as the assistant coach from 2015-18, before being promoted to the head coach in 2018 and reached the conference finals in 2019. 

The native of Guinea in West Africa, Diallo came to the United States to play soccer collegiately at Dowling. His squad won three conference titles during his playing tenure with the school (1998, 2000 and 2001), earned All-Conference and All-Region honors twice (2000 and 2001), and was a member of the All Final Four team in 2001. 

Following his graduation in 2002, Diallo went on to play one season professionally with the Long Island Rough Riders, where he was named national Co-Defensive Player of the Year and won a Premier Development League title. Then, he rejoined Dowling College as the men's soccer volunteer assistant coach from August 2002 to December 2004. After finishing his time as a graduate assistant for the men's program from 2005-2007, Diallo joined the women's soccer team at Dowling as the volunteer assistant coach from August 2008 to 2012, before being promoted to the assistant coach from August 2012 to November 2015.  

He has a bachelor's degree in political science and master's degree in adolescence education from Dowling. Also, Diallo earned his NSCAA National Diploma, NSCAA Advanced National Diploma, US Soccer Federation F License, and US Soccer Federation E License. 

Diallo aserves as a youth trainer and coach with the East Islip, Smithtown, and Albertson soccer clubs and the Long Island Junior Soccer development program.

He currently resides in Central Islip, N.Y.