Ozzie Guillen is a former Venezuelan professional baseball player and manager. He played in the Major League Baseball (MLB) for 16 seasons, primarily as a shortstop for the Chicago White Sox. Guillen was known for his defensive skills, speed, and aggressive style of play.

Guillen began his professional career in 1982, playing for the White Sox's minor league team. He made his MLB debut in 1985 and quickly established himself as a reliable defensive player. Guillen won the American League Rookie of the Year award in 1985 and was named to the All-Star team in 1988.

Guillen played for several teams during his career, including the Baltimore Orioles, Atlanta Braves, and Tampa Bay Devil Rays. He retired as a player in 2000 with a career batting average of .264 and 619 runs batted in.

After retiring as a player, Guillen became a coach and manager. He served as the third base coach for the Montreal Expos and Florida Marlins before being named the manager of the White Sox in 2004. In his first season as manager, Guillen led the White Sox to their first World Series championship in 88 years. He was named the American League Manager of the Year in 2005.

Guillen managed the White Sox for eight seasons before being fired in 2011. He then became the manager of the Miami Marlins but was fired after one season due to controversial comments he made about Fidel Castro.

Throughout his career, Guillen was known for his outspoken personality and willingness to speak his mind. He was often involved in controversies, both on and off the field. Despite this, Guillen was widely respected for his baseball knowledge and his ability to motivate his players.

In addition to his baseball career, Guillen has been involved in various business ventures, including a restaurant chain and a car dealership. He has also been active in charitable work, particularly in his home country of Venezuela.

Overall, Ozzie Guillen had a successful career as a player and manager in the MLB. He was known for his defensive skills, aggressive style of play, and outspoken personality. Despite his controversies, Guillen remains a respected figure in the baseball world.