Now in his fourth season as the women’s swimming and water polo coach, Sergio Macias has turned the Cerritos College aquatics program into one of the best in the state. As a swimming coach, he guided the team to a third place finish in the South Coast Conference Championships last season, while the team came in 18^th place at the State Championships. The team had two entries competing in a total of five events, while five different school records were broken during the year. Both state entries were named All-Americans in two different events, as well. In his three seasons, Macias has led the team to a 13-8 conference record, while also serving as the school’s water polo coach. 

During the 2008 water polo campaign, Macias led his team to the school’s first state championship, while they also set several records along the way. En route to a 31-3 record, which set the record for most wins in a season, they won a school-record 22 games in a row. The Falcons defeated rival Long Beach City College, 11-6 in the state championship game after getting past Riverside Community College, 12-11 in the semi-final game. In his four years as the water polo coach, Macias led the team to the Southern California Regional Playoffs in three straight seasons, while they captured their first South Coast Conference championship this past season. Macias was named the SCC Coach of the Year this season and in his career, has compiled a 106-24 overall record. 

Macias came to Cerritos College with a successful background as both a coach and a player. He started his water polo coaching career with one of the top club programs in the nation, Commerce Aquatics. Macias then took over the Montebello High School water polo team who, at the time of his arrival, had only won one league championship for both the boy’s and girl’s varsity team. In a four-year span, Macias guided both the boy’s and girl’s water polo teams to three consecutive league champions. He guided the boy’s water polo team to back-to-back CIF Division III. Championships and become the first sport in school history to win back-to-back CIF championships titles. He also led his girl’s team to the CIF Division I semi-finals in 2005. Macias was named CIF Coach of the Year in 2003 and 2004, Los Angeles Times Coach of the Year 2003 and Whittier Daily News Coach of the Year 2004. 

Macias played age group club water polo with the City of Commerce where he had the privilege to participate in several Junior Olympics and Junior National Tournaments. At Bell Gardens High School, Macias helped lead his team to four consecutive league championships and back-to-back CIF championships in 1995 and 1996. One of his teammates on the boy’s water polo team in high school was Brenda Villa, who has gone on to play in three Olympic Games and is also Macias’ assistant coach on the water polo team. As a player, he earned the league’s Most Valuable Player, CIF Most Valuable Player, 1^st Team All CIF, 1^st Team All-Southern California and 1^st Team All-American honors. Macias was also a member of the USA National Youth Team in 1994. After graduating high school he attended Whittier College where he became the school’s first-ever water polo player to receive SCIAC Conference Player of the Year as a sophomore. While at Whittier College, he was named 1^st Team All-Conference, 1^st Team WWPA, and 1^st Team All-American.

Macias graduated from Whittier College in 2001 with a Bachelors degree in Physical Education and Recreation.  He earned his Master of Science degree in Kinesiology at California State University of Los Angeles in 2005.