AGUA Swim Team boasts highly experienced coaching staff to ensure each athlete receives the best training experience. Learn more about our coaching staff below.


David A. Rodriguez, Head Coach

Originally from Miami, David has been a swim coach for eight years. David has helped develop several JO qualifiers, Zone team members and a number of FGS age group record holders, several of which attained individual titles. Several of his swimmers have attained the USA Swimming National Top Ten ranking and have qualified for Junior and Senior Nationals. In addition, he served three terms as a member of the Florida Gold Coast Board of Directors and has been a Zone All Star Coach on multiple occasions. He was the 2018 Metropolitan Swimming Senior Coach of the year.
Previously, as head age group coach with Pine Crest School, David’s swimmers set 35 new team records and brought home its first ever 14 & Under Junior Olympic Championship title. Prior to Pine Crest, he was head coach for Christopher Columbus High School where he developed multiple All-American and State Champions. As an athlete David swam for University of Nevada, Las Vegas, where he helped bring home the first conference championship in the school’s history.


John Fedena, Head Age Group Coach

John Fedena joined Asphalt Green in 2017 after serving as head coach of the YMCA of Northwest North Carolina. He spent the five years prior as a division lead coach with SwimMAC Carolina, a club that has produced multiple Olympians. There, his age group broke national records and earned a team championship at Junior Nationals in 2012.
Since 1996, John has spent 12 years coaching with three different gold medal-winning USA swimming clubs and eight years coaching at the collegiate level. He has made stops at University of Georgia, Florida State University, New Mexico State University, and the University of Washington.
John has served on the North Carolina Local Swimming Community Board of Directors and the USA Swimming Southern Zone Board as age group chair. He was nominated as a finalist for 2016 Age Group Coach of the Year by the American Swimming Coaches Association and North Carolina Swimming.
John earned a Master of Science in exercise science from the University of Georgia and a Bachelor of Science in health and physical education from the University of Delaware. He is a native of New Castle, Delaware, and was a four-year varsity swimmer for the University of Delaware Blue Hens.


Brad S. Green, Senior Development Coach

Prior to joining the AGUA Swim Team coaching staff, Brad Green was a swim coach at his alma mater University of Maryland, Baltimore County. He worked with the distance group and the Senior Yellow group of the Retriever Aquatic Club.
Prior to his stint in Baltimore, Brad served as the head coach of the Ocean City High School team leading them to their first girl’s conference championship and numerous state qualifiers. He also worked with the Ocean City C-Cerpants as their Head Senior Age Group Coach.
Brad formerly held the UMBC record in the 100-yard freestyle and was named America East and ECAC Outstanding Male Swimmer in 2004, as well as the UMBC Outstanding Male Senior Athlete. Most recently he was inducted in the UMBC Athletic Hall of Fame in 2012.


Barra Abdelrahman, AGUA Coach

A New York City native and an AGUA Swim Team alumnus, Baraa competed for Asphalt Green for eight years. He also swam for Brooklyn Technical High School, leading the team to seven conference championships. A dedicated athlete, Baraa continued his love for the sport and swam for Saint Francis College and also represented Egypt in the African Junior Championship.
Baraa began coaching for Asphalt Green’s swim league in 2014 and also served as a coach for Packer Swim Camp. As a coach, he loves building relationships with his swimmers to help them reach their goals.
Discipline and fun are core values that Baraa teaches in practice. He aims to teach swimmers to succeed in and out of the pool. 


Alex Boutov, AGUA Coach

Alex, originally from St. Petersburg, Russia, began his coaching career in 1991 as an assistant coach. Later, as head coach for Decatur Swim Club in Illinois, he led the men’s team to win the Illinois State Senior Championship and the women’s team to a second-place finish at the same meet. He also coached seven swimmers to US Open, Senior Nationals, and Junior Nationals. His accomplishments earned him the Illinois Coach of the Year award.
Prior to becoming a coach, Alex swam in college for St. Petersburg State University in Russia as a freshman and sophomore. He was a four-time finalist at the USSR Junior Nationals and placed fifth and twelfth at the USSR Senior Nationals in 1,500 freestyle. Alex has an American Swimming Coaches Association Level IV certification and a Ph.D. from St. Petersburg State University in industrial psychology.
He enjoys sharing his passion for swimming with the next generation of athletes and helping them reach their goals in the sport.


Manny Caballero, AGUA Coach

A native New Yorker, Manny Cabellero grew up in Brooklyn, New York. He spent his childhood swimming and running for his high school track and cross country team, becoming a triathlete later in life. In 2016, Manny began his coaching career at Asphalt Green and is currently an AGUA coach as well as a Swim School Administrator.
His coaching style is centered around being mindful of the water. Manny teaches swimmers that self-discipline will lead to success in and out of the pool. His goal as a coach is to challenge his swimmers to be well-rounded athletes.


Katherine Comas, AGUA Coach

Katherine was born and raised in the Dominican Republic and immigrated to the United States when she was 14 years old. Though she didn't swim competitively until she was in college, she immediately fell in love with the sport. Her first experience as an instructor was teaching swim classes to special needs children at Swim Swim Swim I SAY in Harlem. She joined the Asphalt Green family in 2015 as an instructor for our free learn-to-swim Waterproofing program. Katherine quickly became involved with our Swim School and was promoted to a Waterproofing supervisor, then a Swim School deck coordinator. In 2018, she became an AGUA Swim Team assistant coach.
Katherine’s teaching mantra is to swim with purpose. Her training approach is to set realistic goals, create personalized workout plans, and help athletes build character through the sport.


Sidney Durand, AGUA Coach

A natural athlete, Sidney grew up playing many sports but fell in love with swimming. A North Carolina native, she swam for her hometown’s local team. Her biggest accomplishment as an athlete was taking first place at the Cary City Championships. Later, Sidney went on to coach for the Cary City swim team and led them to seven championship wins.
Sidney began coaching for Asphalt Green’s swim league in 2017 and also supervised our free learn-to-swim Waterproofing program. In August 2018 she became an AGUA assistant coach and loves watching swimmers gain confidence while improving their skills.
Respect is a core value that Sidney teaches in practice. She aims to teach swimmers how to be the best person in and out of the pool.


Matt Hall, AGUA Coach

Matt Hall joined the AGUA Swim Team staff in 2018, bringing experience in all levels of age group coaching. Before coming to Asphalt Green, he served as a senior coach for the Wilton Wahoos in Connecticut. There, Matt was the primary coach for the 13-14 age group. Under his leadership, the Wilton Wahoos 13-14 swimmers won the Connecticut state championship title three times in two years.
Originally from North Carolina, Matt found the sport of swimming at an early age, and his love for the sport carried him to the Bolles School, a magnet school for elite swimmers in Jacksonville, Fla. While at the Bolles School, Matt was a five-time junior national champion and qualified for the US Olympic Trials in three events. His career continued at the collegiate level for the University of Tennessee. There, Matt set a team record in the 400 individual medley, became a Southeastern Conference champion in the 500 freestyle and earned multiple NCAA Division I All-America honors.
After graduating with a bachelor’s degree in communications in 2001, Matt spent the following years selling advertising. In 2005, Matt returned to his home state to pursue his true passion: coaching. Matt loves teaching the life lessons that swimming has to offer. He believes that a swimmer’s potential can be reached only with a strong technical foundation and values making the learning process fun for both the swimmers and coaches.


Hailey Hewitt, AGUA Coach

Hailey Hewitt grew up swimming in Fairfax, Va., where she was a junior national qualifier for the Nation’s Capital Swim Club. She continued her career as a student athlete at the College of William and Mary, an NCAA Division 1 school. Hailey served as co-captain of the Tribe team, and in her senior year, she became the first swimmer in school history to qualify for the 2012 US Olympic Trials in the 200-meter backstroke. The two-time Colonial Athletic Association (CAA) champion was named Tribe Club’s Woman Senior Athlete of the Year.
After graduating in 2012 with degrees in kinesiology and elementary education, Hailey began her coaching career volunteering with the College of William and Mary swim team. In 2013, she moved on to become the assistant swim coach at Western Albermarle High School and spent two years as the assistant director of competitive swimming for the Shenandoah Marlins Aquatic Club.
Since arriving in New York in 2015, Hailey has utilized her coaching talents as the lead instructor at Swim-City, a learn-to-swim company based in Manhattan. During her time there, she has coached over 100 swimmers in residential buildings around the city.


Heather Librizzi, AGUA Coach

Originally from Brookfield Connecticut, Heather swam for the Savannah College of Art and Design from 2009-2013. She came into college holding multiple high school state records in the 100 butterfly and medley and freestyle relays. In college, she transitioned to distance freestyle. Throughout her time as a student-athlete and captain of the team, she won two National Association of Intercollegiate Athletics (NAIA) national titles in the 1,650 freestyle and earned three NAIA All-American honors.
Heather specializes in coaching the 100 butterfly, medley and freestyle relays, and distance freestyle but also enjoys coaching all strokes. She has developed swimmers of all ages and is excited to prepare athletes, both physically and mentally, to compete on the AGUA swim team.


Diana Pimer, AGUA Coach

Diana Pimer grew up in West Haven, Conn., where she set five school records for West Haven High School and four team records for the Hopkins Mariner Swim Team. As a student athlete at Keene State College, Diana was a four-time school record holder and captained the swimming and diving teams. 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.
Diana graduated in 2015 with a bachelor of science in exercise science and a specialization in coaching. 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, Eastern Zone Select Camp qualifiers, and New England age group champions and record holders.


Abby Shoyat, AGUA Coach

Abby grew up swimming competitively in Fort Mitchell, Kentucky. She did her club swimming for the Northern Kentucky Clippers and represented Beechwood High School, qualifying for states each year she was on the team. Abby placed fifth in the 200 freestyle at the 2014 Kentucky state championships. She continued competing in college for University of Cincinnati’s club swim team.
Abby started coaching in 2015, and at the age of 19, she was awarded the YMCA Development Coach of the Year for the Cincinnati area. She also coached for the Northern Kentucky Clippers before joining the AGUA staff. Abby strives to help athletes become stronger and encourages them to apply what they learn in the pool to all aspects of life.


Artyun Koharian, Strength & Conditioning Coach

Art has diverse experience training clients of all ages and abilities, specializing in sports performance. An avid athlete, his passion for sports led him to pursue a career in personal training. He is a National Strength and Conditioning Association Certified Strength and Conditioning Specialist, USA Track and Field Level 1 coach, certified functional movement screening specialist, and holds a Bachelor of Science in nutrition and exercise science from Queens College.
Art’s training approach is to identify the specific needs of each swimmer and safely progress through a strength and conditioning program. He addresses an individual’s asymmetries to create a fitness regimen that will improve health and physical performance.