Aldo Santiago is in his 20th season as head coach of the Mount Holyoke College tennis team. One of the top coaches in the northeast, he has posted an overall record of 171-215-1.

Since taking over the reigns of the program in 1993, Santiago has mentored a pair nationally ranked players, a NEWMAC Player of the Year and three NEWMAC Rookies of the Year. Many of his players have earned All-Conference recognition, and one took home a Seven Sisters Championship.

Beginning with the 1998-99 campaign, Santiago led Mount Holyoke to seven consecitive winning seasons. He was named ITA Northeast Region Coach of the Year at the conclusion of the 2004-05 season.

Prior to joining the Lyons staff, Santiago served as an assistant coach for the men's tennis team at The Ohio State University. He helped lead the Buckeyes to a Big Ten Championship in 1991. In 1986, Santiago was an assistant coach for women's tennis team at Ohio University.

Once ranked among the top five amateur players in Puerto Rico, Santiago played tennis for four years at the University of Puerto Rico and was named Most Valuable Player in his senior season. He received his Bachelor of Arts Degree in physical education from Puerto Rico and his Master of Science degree in physical education from Ohio.

Santiago's players have offered instruction to young people in the local community and have conducted weekly workouts for faculty and friends. His teams travel to his home in Mayaguez, Puerto Rico during spring break most seasons.

In addition to his duties as tennis coach at Mount Holyoke, Santiago also serves as Physical Education Curriculum Coordinator and teaches all levels of tennis and squash.