AGUA masters coaches are among the best in the sport. Most of our coaching staff competed at swimming’s highest levels, some are retired or active professional athletes. All our coaches are committed to AGUA’s vision and Asphalt Green’s broader mission. Beyond their personal achievements in the water, AGUA masters coaches are committed to professional growth and development. 

John Lancaster Beck - Head Coach AGUA Masters

John was named the head coach of AGUA Masters in 2020 and has over 30 years of experience in the sport. He is a five-time United States Masters Swimming All-American and holds the Arizona Championship for the 200-yard and 100-yard butterfly in his age group. He swam competitively at Notre Dame University and Clarion University of Pennsylvania. Prior to joining Asphalt Green, he served as head coach of Nickel City Race Club and Villa Maria College. John also spent a year in Trinidad and Tobago, coaching swimmers ranging from beginners to Olympic hopefuls. He has worked in Central America and South Asia as a freelance journalist and professional tour guide for trekkers, cyclists, climbers, and surfers. He is a multisport athlete with experience cycling at the professional level and boxing as an amateur in college.


Rafa Flores - Lead Coach Battery Park Campus

Rafael was born and raised in El Paso, Texas. He began swimming competitively at an early age and continued to compete at Borough of Manhattan Community College (BMCC). During his time at BMCC, Rafael was recognized as an All-Star Student Athlete within the City University of New York Athletic Conference. Rafael has kept swimming a part of his life by joining Asphalt Green as a swim coach. His goal is to create a competitive and positive environment for athletes. 


Sarida Muslow

Sarida joined Asphalt Green in 2017. Originally from Israel, she swam on the national team and continued her swimming career as a soldier in the Israel Defense Forces. From 2011 to 2014, Sarida captained the University of North Texas Division I swim team. Most recently, Sarida coached the Red River Masters in Shreveport, La., where the team participated in its first statewide competition under her direction. Her goal is to create a positive environment where all levels of swimmers can experience the same love of swimming as she does.


Nate Freeman

Born and raised in Phoenix, Ariz., Nathan has been coaching private lessons at Asphalt Green since 2013. He swam at the college level for Seattle University, where he earned honorable mention All-American recognition for helping the 800 freestyle relay team to an 11th-place finish at the NCAA Division II Championships. He also helped his high school team, Brophy College Prep, win a national championship with his contribution in the 400 freestyle relay.


Brad Cole

Brad Cole has been an instructor and competitive swimmer for over 35 years. He has taught  and coached workshops nationally and internationally for all ages and levels from children to elite competitors.  As a triathlete and half Ironman competitor himself he has the experience to help you reach your goals. Certified AAU Masters swim coach and stroke technique, lifeguard, CPR, International aquatic fitness presenter and a published contributor to the international AKWA magazine.

Diana Pimer

Diana joined AGUA Masters as a coach in 2017. As a competitive swimmer, she had success at the club and collegiate levels. She captained the swimming and diving teams for Keene State College and was a four-time school record holder. In her senior year, Keene State College named Diana the Strength and Conditioning Athlete of the Year and the College Female Athlete of the Year. After graduating, she

remained at Keene State College as an assistant coach, fostering one US Olympic Trials qualifier and 10 All-American performances. She moved on to coach for Greenwood Swimming, where her accomplishments include leading one athlete to a bronze medal at 2016 Rio Paralympic Games. She has also coached USA Swimming national top 10 athletes, National Zone Select Camp qualifiers, and New England age group champions and record holders.


Jessie Santapaul

Jessie joined Asphalt Green Masters as Assistant Coach in May 2013. A Massachusetts native, she grew up swimming for Bernal's Gator Swim Club and was a captain and school record-holder for Lexington High School. Jessie holds a degree in Business Administration from Villanova University, where she was a captain, Big East Conference Finalist and Academic All-American.


Ed Hagerty

Ed joined AGUA Masters as a coach in 2015. He has been swimming with AGUA as part of the age group and Masters Swim Team programs since 1999. His swimming career continued at Amherst College, where he placed in the NCAA Division III top 24 in the 200-yard freestyle and received awards for his excellence in swimming. His career as a Masters Swim Team athlete includes many top three finishes as well as clinching first in the 200-meter IM at Short Course Nationals in 2012.


Julie Kang

Julie grew up competing in Asphalt Green’s swim meets and returned to join the Masters coaching staff in 2019. She competed on the swim and water polo teams at New York University from 2014 to 2018, serving as captain for the latter. As a coach, Julie fosters a positive environment and encourages swimmers to achieve their goals.


Honorato Zaklicki!
Honorata “Ata” Zaklicki is the newest addition to the AGUA Masters coaching staff. Ata comes to us with a strong swimming background that includes having swimming with the Number one swimming power in NCAA Division 3, Denison University. Outside of Asphalt Green, Ata is a Senior Product Manager for Bloomberg Media and has worked for NBC and The Huffington Post. We are thrilled to have her on board