[2] He spent some time abroad, coaching in Norway and the Netherlands and attended a summer camp at the University of Oklahoma.

[1] In the summer of 2006, Fernández moved to Las Vegas, where he joined the coaching staff of the Impact Basketball Academy.

[3] In 2013, Fernández took an opportunity to join the Canton Charge in the NBA Development League as the top assistant coach.

He helped the fourth overall pick in the 2022 NBA draft, Keegan Murray, win the 2022 Summer League MVP award.

He assumed the same role for back-to-back games against the Denver Nuggets on December 27 and 28, with Brown entering health and safety protocols.

[14] Fernández was an assistant coach for the Nigeria national team under Mike Brown at the 2020 Summer Olympics in Tokyo, Japan.

In 2009, Fernandez co-authored an academic article titled Identifying and analyzing the construction and effectiveness of offensive plays in basketball by using systematic observation.