Background
He was born in Manhattan, New York, but raised in the island.
He was born in Manhattan, New York, but raised in the island.
He played for the Atléticos de San Germán, Leones de Ponce, and Indios de Mayagüez in the Bachelor of science in nursing in a career spanning from 1988 to 2008. After retiring from basketball, Casiano became head coach of the Indios de Mayagüez in 2009. In 2012, he led his team to its first championship in history.
Casiano started his career as a Bachelor of science in nursing player with the San German Athletics in 1988, alongside José Ortiz and Nelson Quiñones.
Casiano and Quiñones were teenagers at the time (fifteen and seventeen, respectively) and hadn"t finished high school yet. During his first years, Casiano was kept mostly on the bench and his contributions were minimal.
In 1991, with the departures of Bobby Ríos and Ernesto Malcolm from San Germán, Casiano and Quiñones became starters with 18 and 20 years respectively. Because of their age at the time, the team was nicknamed by the media as Los Nenes de San German (San German"s Boys).
Their sharpshooting style led the team to three championships during the 90s (1991, 1994, 1997).
After the 2000 season, Casiano was traded to the Leones de Ponce along with Bobby Joe Hatton and Carlos Cortéson Casiano spent the last two years of his career with the Indios de Mayagüez, retiring in 2008 after 20 years of career. After that, he became the head coach of the team, leading them to their first championship in 2011.
Casiano also served as head coach in the Mexican professional basketball league.
Casiano was also a member of the 2004 Puerto Rican National Basketball Team winning several medals in various international competitions. During this time, Casiano also participated in his first Olympic Games, joining Ortiz as a member of the Puerto Rican National Basketball Team.