Vanguard Aquatics Staff


Sasa Branisavljevic

- President, Head Coach 18/16u boys & Age Group Girls  

Cell: 562.253.8429

Sasa started playing water polo at age 8 in Subotica, Serbia. He has a wealth of playing experience at both on a National and International level. He has played in the First Serbian League for several years. At the age of 16, he was the youngest player on Spartak's professional team. At the time Spartak qualified for Len Cup, an Elite Club Championship event that features Europe's strongest clubs.

Sasa has 12 years of College, High School and Club coaching experience. He worked with many elete-level athletes that currently compete on the US National team and top university programs. He supervises and assists with all other club operations and age group programs. 


Djoko Radunovic -  14u Boys Head Coach - 18u Vanguard Red Girls Coach

- Technical Director

Djoko was born and raised in Montenegro, Europe and played with V.K. Primorac since the age of 8 for 10 years. During that time his team captured numerous top three finishes including several national titles. He played for the cadet and junior national team of former Yugoslavia and later Montenegro. Djoko finished his senior year of high school at San Bernardino High School where he won athlete of the year award. In the United States Djoko also played for Chris Oeding at LBCC. The team at LBCC managed to capture 2 conference and one state championship. Both years at LBCC Djoko managed to make first team all conference, first team all So Cal, first team All-American, and in his second year was also named South Coast Confernce MVP. He now coaches with the HB Vanguard where he oversees the 10u team as well as Huntington Beach High School where he assists with all Boys' teams. Djoko lead 10u team to 3rd place finish at JO's in 2012 and 1st place in 2013.

Recently Djoko returns to Vanguard after living in San Diego for the past 2 years and coaching at the San Diego based club Del Mar Aquatics where he was primarily responsible for the age group and 14u Boys Program.  The Age group nearly doubled under Djoko's watch.  We welcome him back to the Vanguard family.

Most recently Djoko led the 14u Boys in capturing the 2018 National Junior Olympic Championship.  He also helped the Mater Dei Girls to a Trinity League Championship in 2019 as the Associate Head Coach, and now serves as Mater Dei's Girl's Head Coach.

 Brian Anderson

 - 18u Vanguard Red Coach

 - Website & Social Media Director 

 Brian Anderson enters his 8th year being a Coach with Vanguard Aquatics, currently overseeing the Vanguard Red Boys Program.  Brian has coached the 12u Boys to three-peat National Championships (2016/2017/2018) as well as the 10u Co-Ed team to a National Title (2014).  Recently the 18u Red Team placed 3rd at the 2021 NJO Championships.  Brian was awarded the USA Water Polo Ted Newland Distinguished Coaching Award for his efforts in 2017.   He currently also oversees the Vanguard website and media.  In addition to working with Vanguard, Brian is the Head Coach Boys for Mater Dei High School.

 Coach Anderson has also played an active role in the USA Water Polo Olympic   Development program being a Head Coach for the SPA Zone.  He has also served as the Assistant Cadet and Developmental National Team Coach and helped coordinate the USA Water Polo Holiday Camp in Colorado Springs.

 Brian was the Head Coach at Huntington Beach High School for the girls for four years and the boys for five.  In that time Brian was selected the Sunset League Coach of the Year in 2012 & 2014 and took teams on international training trips to Hungary, Croatia, and Slovakia.  Several of Brian’s athletes went on to play NCAA College water polo as well as represent USA Water Polo as members of US National Teams.

Brian Anderson has been a native of the City of Huntington Beach his entire life.  Brian grew up swimming with Golden West Swim Club and played water polo at Huntington Beach High School from 1998-2002.  He is crrently a Teacher at Westminster High School.


Nick Graffis

Head Coach 10u/12u Boys, High School Girls

Assistant Coach High School Boys

Currently, and since 2016, the head Womens' coach at Edison High School in Huntington Beach, Nick has been coaching youth water polo for 9 years. He began his coaching career by starting a water polo program in North Long Beach where, working with the YMCA and the Parks Department, athletes received subsidies to learn to play water polo and swim. The program has produced over 25 All-City water polo players in the past 8 years.

At Edison, Nick increased the program size from 16 to 30 in two years, and has increased the teams wins from 4 to 9 to 16 in 2019. In 2019, the team earned 2nd in the Wave League and qualified for CIF for the first time since 2014. In the playoffs Edison went to the quarterfinals for the first time in school history. Prior to Edison, in the two years that Nick was head coach of the UC Irvine Women’s Club team, they ranked seventh in the Nation – the highest in team history – and Nick was named Pacific Coast Division Coach of the year, as-well-as UC Irvine Club Coach of the year in 2014. In addition to Edison, Nick is currently an assistant at Huntington Beach High School, and helped the team win the Sunset League in 2016, and to a Division I CIF runner-up performance in 2016. 

At Vanguard, Nick has had success at many levels and helps coach all age groups. His major responsibility is the 10&Under Coed and Splash Ball teams. At Junior Olympics the group has won 10&Under Coed Gold in 2018, 10&Under Girls Silver in 2018, and 10&Under Girls Bronze in 2017. In 2018 & 2019 the team won Dare to Dream National Championships.

Zach D'Sa

16u Boys "Red" Coach 


Zach is currently working at Mater Dei High School with the JV & FS Teams in conjuction with leading the 16u Boys Red Group.

Zach was a four year letterwinner with the USC Trojans from 2015-2018.  In 2018 he was the Team Captain that defeated Stanford in the NCAA Finals as his team won the 2018 National Championship.  Zach was a major contributer to his teams in various roles and in all four years found the back of the net with double digit goal totals for the Trojans. 

D’Sa was named league Player of the Year as a senior out of Wilson High in Long Beach... Earned CIF Division I first team honors and was the Long Beach Century Club Player of the Year... Won CIF championship as a sophomore... Scored 118 goals and had 67 assists as a senior... Played club for Newport and SoCal... An honor student.

Chris Kaps - "Kaps"

- Assistant Coach High School Boys Programs / Lead Goalie Instructor

Kaps joined the Vanguard family in 2014 as an Assistant Coach for all age groups, including the 16U Boys team that placed 2nd the 2014 National Junior Olympic Championship in Stanford.  He’s been a great addition to the club and is an important mentor in the development of Vanguard’s goalies across all of its teams.

Kaps has worked for several water polo clubs and teams in Orange County, as well as serving as Head and Assistant Coach in high school programs such as La Quinta, Ocean View, Fountain Valley, and Huntington Beach.  He is also one of the lead Strength Coordinators for the nationally recognized NOVA Aquatics Swim Club, and Assistant Coach to the Fountain Valley High School swim team, which won the Sunset League title in 2015.

Jacob Moore

High School Girls Coach 

Jacob is the current Girl’s Head Coach at Huntington Beach High School. Along with his current high school girls position at Vanguard, Jacob is the USA ODP Youth Girl’s Head Coach (age range 15-17).

Jacob’s past coaching positions include: HBWPC Director & 16/18u girls head coach, La Habra HS girls head coach, Fountain Valley HS girls head coach, Cypress College men’s/women’s assistant. 

Jacob’s coaching philosophy is simply that he wants to continue to share his love and knowledge of the sport of water polo through coaching and inspiring every player to achieve their goals in sports and in life. He aspires to have every player he coaches reach the next level in their water polo career whether that be college or beyond. Nearly every club player Jacob has coached has continued their playing careers into college, including many continuing on to play at the Division 1 collegiate level for some of the top teams in the nation. 


Trevor Wawrzynski 

Co-Head Coach 12u Boys 

Trevor’s passion and understanding for water polo development, and leadership comes from many amazing world class coaches and mentors he has had the opportunity to play for, learn from, and coach with over his years in the sport of water polo. He draws all of his experience from these various coaches and mentors and attributes his successes as a water polo player and coach from them.

His Coaching Career inlcudes. 
  • United Water Polo Club (Head Coach / Director) National Titles: 2018 18U Boys Junior Olympic 1st Place / 2011 10U Coed Junior Olympic 1st Place / 2010 14U Boys Junior Olympic 1st Place 2010 10U Coed Junior Olympic 1st Place / 2009 14U Boys Turbo Cup 1st Place / 2009 14U Boys Junior Olympic 1st Place / 2008 12 Boys Junior Olympic 1st Place
  • Golden West College (assistant men’s coach) - 2011 State Champions
  • Los Alamitos Water Polo - 2007 12 Boys Junior Olympic 1st Place

Wyatt Benson

14u Boys Silver Coach 

College: Currently in his last year competing at Princeton Universtiy.  In the 2019 Season,  he never missed a game and tallied 29 goals and led the squad with 69 drawn ejections.

High School: CIF-SS Division I and Trinity first team accolades … Squad won the CIF-SS Division I title and California State High School crowns twice (2015, 2017) and the inaugural California regional championship (2017) … Earned Team’s Best Offensive Player …
Academic: Secured honors on the Principal’s List … Honor Roll … USA Water Polo Academic All-America … California Scholastic Federation … Water Polo and Swim Team Scholar-Athlete Award.
ODP/National: Junior Olympic Champion in the platinum division three times (14U twice, 19U) … Ironman 19UTournament Champion in 2015.

Garrett Zaan

14u & Age Group Boys Coach

Garrett currently players water polo at Long Beach State under Head Coach Gavin Arroyo and also represented Team USA at FINA Men’s Junior World Championship … Awarded Second Team All-GCC … Appeared in 28 games and scored 37 goals and had 12 assists and 24 steals … Had 13 multi-goal games … Scored season-high three goals against Air Force (Sept. 15), Air Force (Sept. 22) and Pacific (Nov. 1).

In 2018 Zaan was named Honorable Mention All-America … Named to the All-GCC Second team and All-Freshman team with his first season competing for the Beach … Selected as GCC Player of the Week after helping the Beach defeat No. 5 Pacific on Nov. 9 … Second on the team in total goals with 25 … First on the team in drawn exclusions with 16 … Made seven steals and six field blocks … Tied his career high in goals with 4 on Oct. 14 against Pacific and Nov. 24 against Pomona-Pitzer.

Garret attending Huntington Beach High School where he lettered on varsity all four years with the Oilers … Earned 1st Team All-Sunset League and first-team All-CIF … Competed for Team USA in the 2018 FINA World Youth Water Polo Championships in Szombathely, Hungary … Won gold in the Pan American Games and was a 3-time Gold Junior Olympian … Also played for Vanguard Athletics club under Sasa Branisavljevic.

Garrett is coaching our 14u Boys and is also majoring in Communications at Long Beach State.