AGUA Water Polo boasts highly experienced coaching staff from around the world to ensure that each athlete receives the best training in swimming fundamentals and water polo technique. Learn more about our coaching staff:


Matt Guerrerio

Matt started playing water polo at 12 years old in St. Louis, Missouri, where he was part of two high school state championship teams at Saint Louis University High. After joining the Daisy Water Polo Club, he also participated in numerous national tournaments. After high school, he became a nationally recognized scholar-athlete at Fordham University. Over the years, Matt has played for various clubs in St. Louis and New York City, traveling to participate in tournaments around the world. After graduating, he served as assistant coach of Fordham University's water polo team and as the head coach of the Hudson Valley Region team.   


Miklos Gor-Nagy

Miklós started playing water polo at nine years old in his home country of Hungary. Excelling in the sport, he played professionally from 2001 until his retirement in 2019. Miklós played for Budapesti Vasutas Sport Club, Eger, Honvéd, Budvanska Rivijera Budva, Orvosegyetem Sport Club, and Ferencváros. In addition, he played his first national match in 2005 under the captaincy of Dénes Kemény. Throughout his career, he appeared in over 200 international matches with the Hungarian national team, including five World Aquatics Championships and three European Championships, and was on the Hungarian team that won the World Championships gold medal in 2013. 



Morgan Allison

St. Francis ‘17 

Morgan started playing water polo at nine years old in Pennsylvania. In high school, she led her team to the state championship for the first time in program history while also playing club for the Princeton Tigers at the Junior Olympics. 

After high school, Morgan played water polo at St. Francis College in Brooklyn, where she was named team captain and Student-Athlete President her senior year. As a coach, she serves as assistant coach for the St. Francis College water polo team and just finished her first season as Head Coach of the Packer Collegiate Institute Varsity Swim Team.

Morgan has been with Asphalt Green for three years and assists with the 14-18u girls. 

Samu Csordas

St. Francis ‘23 

Samu began his water polo journey in Budapest, Hungary, where he played water polo at Ferencvárosi Torna Club, one of the most successful clubs in Europe. Samu moved to the United States to play at St. Francis in 2000, where he was a four-year letter winner and helped the Terriers consistently rank amongst the nation’s top 20 teams.  

Since graduating and gaining employment, Samu has continued to play with Asphalt Green’s men’s team while coaching the youth program.  He has been part of our program for three years and today, he runs the strength and conditioning training and serves as our head coach for 16/18u boys. 


Angelos Koutsogeorgas 


Angelos played high school and club water polo in the Chicago area, receiving awards in Illinois and national recognition during his junior and senior years. Angelos became a top recruit to LIU’s team in 2022 and led the men in the school’s inaugural season as an NCAA Division 1 team.  

Angelos also works in the city, plays for Asphalt Green’s men’s club, runs his own business, and coaches the youth team. This is Angelos’ second year as head coach of our 12/14u boys and girls teams. 


Sophia Zamoyski 

Stanford ‘23 

Sophia began her water polo career in San Diego at an early age and quickly became one of the region’s top goal scorers. She graduated from Del Norte High School with multiple championships and a school record of 160 goals in a season. In addition, she was one of two top ten finishers in the USA water polo’s Junior Olympics for the San Diego Shores, making All-American honorable mention one of the years.  

After high school, Sophia was a member of the Stanford team that won the NCAA Division I national title in 2019.   

Sophia moved to NYC after graduation, where she now works and plays with the Brooklyn Wets women’s team and assists our 14-18u girls. 


Skyler Knoflick  

Fordham ‘23 

Skyler began water polo in the San Francisco area at age 12 and played at Northgate High School and Diablo Club.  He led his team to the Northern California school championship and received multiple individual honors.  A top domestic recruit for his speed and fitness, Skyler joined the Fordham Rams during their remarkable climb in the national rankings. He played on three national top-three teams and contributed to the team's back-to-back MAWPC championships. 

Skyler stayed in New York after graduating. Today, he plays with Asphalt Greens Men’s Club and assists with the 16/18u girls and boys. 


Jacob Barashick 

St. Francis ‘15 

Growing up in Orlando, Florida Jacob showed great promise at Bishop Moore High School. In his high school career, Jacob was named to Florida’s All-State team three times and became one of the leading goal-scorers in the state. He also received national honors at the USA Water Polo Junior Olympics.  

Jacob eventually joined St. Francis during its most recent successful run, where he was an integral part of two Eastern Champion teams and grew into a team leader in and out of the pool.  

Since graduating, Jacob has remained in the city working and playing with the Men’s Club. He recently joined the youth club to assist in the technical training of all our higher-level players. 


Rachel Loomis 

LIU ‘24 

Rachel began playing water polo in the Los Angeles area at Sunny Hills High School and SOCAL club, where she was a part of multiple championship teams while receiving individual honors. Following her immense success, Rachel was recruited to play at Long Island University as a goal scorer.  

At Asphalt Grene, Rachel has been a part of the coaching staff for three years and assists with all groups. 


Wandile Banda 

St. Francis ‘23 

Wandile joined our club from Zimbabwe. She was originally recruited to play at McKendree University and transferred in 2022 to St Francis. Wandi assists our water polo team at all levels.