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THE COACHING STAFF

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Tim Cassi
Associate Head Coach, Defense & Goalies
Sea King Since 2012

A native of Virginia, Coach Cassi played goalie at King's College in Wilkes-Barre, PA (NCAA Division III). He went on to play post-collegiate club lacrosse for Durham University in the U.K. while earning his MBA. He moved to Orange County in 2011 and began coaching in the CDM and Surf Dawg programs. Over the past ten seasons, Coach Cassi has developed some of the top team defenses and goalies in Southern California.

 

He is the founder of Focus Lacrosse, a cutting-edge goalie development platform.

A native of Virginia, Coach Cassi played goalie at King's College in Wilkes-Barre, PA (NCAA Division III). He went on to play post-collegiate club lacrosse for Durham University in the U.K. while earning his MBA. He moved to Orange County in 2011 and began coaching in the CDM and Surf Dawg programs. He is the founder of Focus Lacrosse, a cutting-edge goalie development platform.

A native of Virginia, Coach Cassi played goalie at King's College in Wilkes-Barre, PA (NCAA Division III). He went on to play post-collegiate club lacrosse for Durham University in the U.K. while earning his MBA. He moved to Orange County in 2011 and began coaching in the CDM and Surf Dawg programs. He is the founder of Focus Lacrosse, a cutting-edge goalie development platform.

Coach Mix on Tim Cassi:

"Tim is one of the hardest-working and more competitive coaches I have ever shared the sidelines with for practices and games. His attention to detail and the effective teaching style he uses with our defense and goalies is a major reason for the many years of success we have had at CDM."

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Matt Stagnitta
Assistant Coach, Offense
Sea King Since 2021

Coach Stagnitta enters his first season with the Sea Kings. He recently moved to Southern California, and in addition to coaching at CDM, he will serve as the program director of Mad Dog Orange County. Coach Stagnitta grew up in Skillman, New Jersey, where he played  football and lacrosse at Montgomery HS. He went on to play Division I lacrosse as a midfielder at Johns Hopkins. After graduating in 2020, Coach Stagnitta used his fifth year (NCAA Covid Eligibility) to play at Jacksonville University (FL), where he was a standout attackman for the Dolphins.

A native of Virginia, Coach Cassi played goalie at King's College in Wilkes-Barre, PA (NCAA Division III). He went on to play post-collegiate club lacrosse for Durham University in the U.K. while earning his MBA. He moved to Orange County in 2011 and began coaching in the CDM and Surf Dawg programs. He is the founder of Focus Lacrosse, a cutting-edge goalie development platform.

Coach Mix on Tim Cassi:

Tim is one of the hardest working and most knowledgable coaches I have ever

Coach Mix on Matt Stagnitta:

"I am extremely excited to have Matt Stagnitta join our coaching staff. His father Jim Stagnitta and I played and came up through the coaching ranks together at Penn, so I have known Matt since he was born. The experience he brings as a standout player at Johns Hopkins and Jacksonville, and the son of a terrific coach, will add so much value to our program."

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Antonio Rey
Assistant Coach, Face-Offs
Sea King Since 2022

Coach Rey joined the CDM staff for the 2022 season to work with the face-off unit. A native of Liverpool, NY, Coach Rey played at NCAA Division II Mercy College in Dobbs Ferry, NY. In 2021, his senior season, Coach Rey was 146/196 (.745%) at the face-off dot and was named a USILA Second Team All-American and a US Lacrosse Magazine First Team All-American.

A native of Virginia, Coach Cassi played goalie at King's College in Wilkes-Barre, PA (NCAA Division III). He went on to play post-collegiate club lacrosse for Durham University in the U.K. while earning his MBA. He moved to Orange County in 2011 and began coaching in the CDM and Surf Dawg programs. He is the founder of Focus Lacrosse, a cutting-edge goalie development platform.

Coach Mix on Tim Cassi:

Tim is one of the hardest working and most knowledgable coaches I have ever

Coach Mix on Antonio Rey:

"Antonio has been a terrific addition to our program. His knowledge and expertise in the face-off game is extremely valuable and his ability to effectively communicate and share it with the kids is amazing to watch. He is able to help us build a highly competitive face-off unit."

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Ralph Lopez
Assistant Coach
Sea King Since 2016

Coach Lopez joined the CDM lacrosse coaching staff in 2016. 

A former elite soccer coach with the Slammers FC program (1996-2010) and the Pacific Soccer Club (2012-2013), Coach Lopez holds a number of certifications including a Level 2 Dutch, CYSA Level E and Level F licenses.

 

In just a few short years, Coach Lopez has developed into an outstanding addition to the Sea King staff. He specializes in developing young players who are new to the program and the sport.
 

A native of Virginia, Coach Cassi played goalie at King's College in Wilkes-Barre, PA (NCAA Division III). He went on to play post-collegiate club lacrosse for Durham University in the U.K. while earning his MBA. He moved to Orange County in 2011 and began coaching in the CDM and Surf Dawg programs. He is the founder of Focus Lacrosse, a cutting-edge goalie development platform.

A native of Virginia, Coach Cassi played goalie at King's College in Wilkes-Barre, PA (NCAA Division III). He went on to play post-collegiate club lacrosse for Durham University in the U.K. while earning his MBA. He moved to Orange County in 2011 and began coaching in the CDM and Surf Dawg programs. He is the founder of Focus Lacrosse, a cutting-edge goalie development platform.

Coach Mix on Ralph Lopez:

"Ralph is an incredibly valuable part of our CDM coaching staff. He has worked extremely hard to develop a working knowledge and understanding of the sport of lacrosse and is able to effectively teach our younger players to do things the Sea King way. He is one of the most reliable coaches and  steadying influences I have ever been around."

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Brandon Mayo
Assistant Coach
Sea King Since 2020

Coach Mayo played his high school lacrosse locally at Tesoro and went on to play collegiately at Concordia University in Irvine, where he helped lead his team to the 2017 MCLA Division II National Championship. He graduated from Concordia in 2020 with a dual degree in Business Management and Marketing.

He joined the CDM coaching staff during the 2020-21 school year and works primarily in skill development with the team's attackmen and midfielders.

A native of Virginia, Coach Cassi played goalie at King's College in Wilkes-Barre, PA (NCAA Division III). He went on to play post-collegiate club lacrosse for Durham University in the U.K. while earning his MBA. He moved to Orange County in 2011 and began coaching in the CDM and Surf Dawg programs. He is the founder of Focus Lacrosse, a cutting-edge goalie development platform.

A native of Virginia, Coach Cassi played goalie at King's College in Wilkes-Barre, PA (NCAA Division III). He went on to play post-collegiate club lacrosse for Durham University in the U.K. while earning his MBA. He moved to Orange County in 2011 and began coaching in the CDM and Surf Dawg programs. He is the founder of Focus Lacrosse, a cutting-edge goalie development platform.

Coach Mix on Brandon Mayo:

"Brandon has been a great addition to our coaching staff. He is very adept at breaking the game down into small elements and then working with our attackmen and midfielders to improve their understanding and execution of those individual skills. His love and enthusiasm for the game are infectious and he adds terrific energy to our player development efforts."

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Gavin Gossen
Student Assistant Coach
Sea King Since 2019

Gavin Gossen is a  junior midfielder for the Sea Kings. He suffered an injury in the Fall of 2021 that currently prevents him from playing.

Coach Mix immediately shifted him into a student coaching role with the team until he is able to return to the field.

A native of Virginia, Coach Cassi played goalie at King's College in Wilkes-Barre, PA (NCAA Division III). He went on to play post-collegiate club lacrosse for Durham University in the U.K. while earning his MBA. He moved to Orange County in 2011 and began coaching in the CDM and Surf Dawg programs. He is the founder of Focus Lacrosse, a cutting-edge goalie development platform.

A native of Virginia, Coach Cassi played goalie at King's College in Wilkes-Barre, PA (NCAA Division III). He went on to play post-collegiate club lacrosse for Durham University in the U.K. while earning his MBA. He moved to Orange County in 2011 and began coaching in the CDM and Surf Dawg programs. He is the founder of Focus Lacrosse, a cutting-edge goalie development platform.

Coach Mix on Gavin Gossen:

"Gavin is such an important part of the fabric of our team that, when he was injured, it was obvious to me right away that we needed to keep him actively engaged and involved in our daily practices and workouts. His interaction and presence on the field adds great value and brings comfort and confidence to his teammates."

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Casey Mix
Assistant Coach, Part-Time
Sea King Since 2009

Casey Mix recently moved from Newport Beach to Atwater Village in the Los Angeles area to pursue a professional career in the art industry. As a result, he is no longer able to coach full-time at CDM.

He was the team captain and an All-American attackman at CDM in 2013. He played a critical role on the undefeated 2012 CIF Championship team, including scoring the game winning goal.

 

After graduation from CDM, he went on to be a standout attackman for the Gauchos at UCSB.

In 2018, he joined the CDM coaching staff and spent the next three years as the head coach of the JV program and a varsity assistant.

A native of Virginia, Coach Cassi played goalie at King's College in Wilkes-Barre, PA (NCAA Division III). He went on to play post-collegiate club lacrosse for Durham University in the U.K. while earning his MBA. He moved to Orange County in 2011 and began coaching in the CDM and Surf Dawg programs. He is the founder of Focus Lacrosse, a cutting-edge goalie development platform.

A native of Virginia, Coach Cassi played goalie at King's College in Wilkes-Barre, PA (NCAA Division III). He went on to play post-collegiate club lacrosse for Durham University in the U.K. while earning his MBA. He moved to Orange County in 2011 and began coaching in the CDM and Surf Dawg programs. He is the founder of Focus Lacrosse, a cutting-edge goalie development platform.

Coach Mix on Casey Mix:

"Casey was one of the best coaches I have ever worked with and we will miss his daily presence at our practices and on the sidelines. He always offered a unique perspective to everything we did and made me a much better coach. His true talent lies with his humble approach and meaningful and motivational interactions with our young players."