Cannons Advisor / Retired Coach
Founder of Calvert Lacrosse, US Lacrosse Hall of Fame
Accomplished longtime player.  Award-winning high school varsity coach.  Major contributor to the growth of high school and youth lacrosse in Southern MD and DC Metro Area.  US Lacrosse Potomac Chapter Hall of Fame Inductee.  US Lacrosse Coach of the Year.  US Lacrosse and US Coaches Asso Man of the Year.  US Lacrosse Century Club recipient for 100+ high school wins.  Founder of Calvert Lacrosse Club.  Founder and 20-year President of SMYLA Youth League. Former high school official. And the list continues…

Coach Lenny brings a wealth of knowledge and diverse experiences and a crusty coaching style to the Cannons Select Lacrosse Program.  Although folklore would say Coach Lenny was born with a lacrosse stick in his hand, he was actually five when he discovered his first lacrosse stick.  Lenny played youth and high school lacrosse in Long Island before being recruited to play college lacrosse at the University of MD where he was a three-year letterman.  After graduating from UMD, he enrolled in law school and made MD his permanent home.  Lenny played lacrosse for more than a decade in the US Club Lacrosse Leagues which he respectfully calls “the pro league back in the day.”

Coach Lenny started lacrosse in Southern MD in 1986 with nine high school students.  When the school system would not support the sport, Coach Lenny and the boys raised funds to support the program and continued as an independent high school varsity program until 2000 when the Board of Education adopted lacrosse as a high school sport.  Under his coaching, his Calvert Lacrosse Club teams celebrated two undefeated seasons, won four Tri-County Championships, ranked six times in The Washington Post Top 20, and had numerous players awarded HS All-American, All-Met, All-Conference, and All-League recognition and players he has coached continue to be recruited into some of the top college lacrosse programs.  Coach Lenny’s CLC Program developed girls and youth divisions and continued until merging with Cannons Select Lacrosse where Coach Lenny continues coaching youth lacrosse.  Lenny still plays the sport he loves in local men’s leagues and travels to compete in tournaments with his Mr Boh team, including playing twice in the Lacrosse World Games. His most treasured lacrosse moments are when he can suit up and play alongside his son, Joe Casalino!

Off the lacrosse field, Lenny resides in Huntingtown with his lacrosse fanatic wife and maintains a private law practice in Upper Marlboro.  Although Lenny’s accomplishments are many, he is most proud of his amazing family and the lifelong friendships he has developed with the players he has coached.

Cannons HS Coach
Huntingtown HS Varsity Head Coach

Coach Pete Kerwin joined the Cannons Head Coaching Staff in 2020 and is a decorated player, coach, and student of the lacrosse game.  He has been coaching Huntingtown HS since 2011, and as current Head Coach for Huntingtown HS has earned High School Coach of the year awards for SMAC in 2011, 2015, and 2021.  Coach Kerwin led HHS to a MD State Championship final in 2022.  Coach Kerwin began his teaching career in Calvert County Public Schools in 2009, first as an alternative education teacher at Plum Point Middle School before transferring to Huntingtown High.  Coach Kerwin was recognized as Washington Post Teacher of the Year in 2021.  As a social studies teacher at HHS and head Varsity Head Coach, Mr. Kerwin is a role model for his athletes and students, demonstrating a strong work ethic, self-discipline, and a keen intellectual curiosity. J. Scott McComb, Supervisor of Social Studies, said, “As a teacher, Mr. Kerwin displays great skill, but this prowess is paired with a manifest desire to grow his students and athletes as people, as well as learners and players on the field. Every bit as important as the grade or goal scored is the character and work ethic exhibited by the young people he leads.” According to Rick Weber, Principal of Huntingtown High, Mr. Kerwin’s mission in all of his responsibilities is to promote a growth mind set among staff, students, and the community so that more of students will challenge themselves with rigorous content offerings. 



Cannons HS 2027 Head Coach
Northern HS Varsity Assistant Coach

Coach Endress played NCAA lacrosse at Shenandoah University and is an alum of a very talented Cannons Select 2016 team.  Ryan played High School lacrosse at Northern under Coach Joe Casalino where he developed a strong love and passion for the game.  After HS, he continued his education and lacrosse career at Shenandoah University, where he was named team captain his junior and senior years and graduated with a Bachelors Degree in Political Science.  Upon graduation, Ryan joined the coaching staff at Northern HS where he's currently a World History teacher.

Cannons HS 2027 Assistant Coach / Goalie Specialist
Northern HS Varsity Head Coach

DJ Walker was just recently named and selected as Northern High School Varsity Head Coach - congrats DJ.  Coach Walker is an alum of our Cannons program.  DJ played high school lacrosse at Northern where he was a team captain and starting goalie of the 2017 Maryland State Championship team.  DJ was recruited to playe goalie at Chowan University from 2017-2019, before transferring to St Mary’s College of Maryland where he played goalie from 2019-2021.  DJ was former Assistant Coach at Calvert High School and he continues to provide specialized goalie instruction with APLax Lab and BCA Elite.

Cannons HS 2025 Head Coach
St. Mary's Ryken HS Athletic Director / Varsity Lacrosse Head Coach

Coach Jon Lombardo completed his second season as Head Varsity Lacrosse Coach for St. Mary's Ryken HS (SMR) playing in the highly competitive Washington Catholic Athletic Conference.  This past year, Coach Lombardo was named SMR Athletic Director overseeing all men’s and women’s athletics at the school. Prior to SMR, Coach Lombardo served 11 years at the Univ of Lynchburg in Virginia as a student-athlete, lead Assistant Coach, and Head of Recruiting for the University.  During his time at Lynchburg, Coach Lombardo recruited and coached over 25 All-American student-athletes while making 8 straight trips to the NCAA Tournament; with 1 appearance in the National Championship game in 2015.  This streak of success is the greatest the University has achieved to this point.

  • 2008 - Graduated from Trinity-Pawling School lettering & Captain in Hockey & Lacrosse
  • 2009-2012 - Student-Athlete at Univ of Lynchburg earning a Bachelors in Education and Masters in Educational Leadership
  • 2x captain, 2x All Conference, 2012 USILA All American, 2013 Supplemental Draft pick of Rochester Rattlers/MLL Lacrosse 
  • 2013-2019 - Assistant Coach at Lynchburg University  (Defensive Coordinator/Offensive Coordinator/Recruiting Coordinator)
  • 2013 - NCAA Quarterfinals
  • ​2014 - Old Dominion Athletic Conference Champions, NCAA 2nd Round
  • 2015 - ODAC Champions, National Championship Appearance 
  • ​2016 - NCAA 1st Round 
  • 2017 - NCAA Quarterfinals 
  • 2018 - ODAC Champions, NCAA 1st Round
  • 2019 - NCAA 2nd Round 
  • 2020 - 1st Season at SMR canceled due to COVID-19 pandemic after 1-1 start 
  • ​​2021 – SMR Athletic Director / SMR Varsity Head Coach, Shortened 6-wk season; WCAC schedule only



Cannons HS 2026 Head Coach

Cannons Founder
Cannons Mens Classic Player
AP Lax Lab Training Coach-Administrator

Joe is the co-founder of Cannons Select Lacrosse and continues to play competitive lacrosse in tournaments throughout the US and in local mens leagues.  Coach Joe has been involved in lacrosse in Southern Maryland since 1986, joining eight players as the original founders of Calvert Lacrosse Club. Following high school, he continued his playing career at St. Mary’s College where he earned All-Conference honors in 1993 and was named team captain in 1994. Joe took over as Junior Varsity Coach at Edison HS (VA) in 1997 and was named Head Coach the following year at Thomas Jefferson HSST (VA), widely considered the top academic public school in America.  In 2006, Joe took over the head coaching role at his alma mater, Northern High School. Under his direction, the program has won 106 straight conference games and eight straight conference titles, earned two regional championships, and won the conference’s first Maryland State Championship in 2017.  Joe celebrated his 200th high school varsity win and was named Maryland Public School Coach of the Year in 2017 as his Northern HS team earned a #9 ranking from The Washington Post.  

Joe and his talented wife Julie were the organizers of the summer LaxHeroes Tournament in Southern Maryland which raised more than $80,000 for charity.  Off the field, Joe is the owner and CEO of Victory 360, a data-driven marketing and fundraising consultancy and enjoys time with family.



Cannons HS 2026 Coach

Former defensive coach at Northern HS and Lehigh defender, Dave will coordinate our close defense philosophy, as well as managing our explosive footwork and game strength program.


Cannons HS 2026 Coach

Former head coach of LaPlata HS and member of the 1994 Brown University national semifinals team.  Kris will work with our defensive midfield and team defense strategy.

Cannons HS 2026 Coach
Cannons 2032 Head Coach
Cannons Men's Classic Team Player-Director
APLAX Training Coach-Administrator

Former assistant coach at Northern HS and attackman at Anne Arundel CC, Coach Mark will work with the Cannons HS 2026 team attack, shooting and finishing, and box management.  He will also Head Coach the Cannons 2032 team.  Coach Mark first picked up a lacrosse stick at the age of 11 when he started his lacrosse journey with the Calvert Lacrosse Club.  By his sophomore year, Mark was the starting attackman on Calvert Lacrosse Club’s HS Varsity Team and he kept that spot through his senior year.  Mark helped his team secure two Washington Post Top 10 rankings, climbing all the way to #4 in the DC Metro Area.  After high school, Mark played lacrosse at Anne Arundel Community College before moving on to the club/semi-pro lacrosse circuit where he continued for many years. 

Mark has not put down his lacrosse stick since that first day at age 11.  Today he directs and plays on the Cannons Classic Mens Lacrosse team and plays in competitive travel tournaments  Even now, Mark plays attack and remains a scoring threat with his smooth moves around the crease and his quick release.   

After a very slight twist of the arm from Lenny and Erna, Mark returned to his second family to coach with Calvert Lacrosse Club’s youth program and ultimately with the Cannons Select Lacrosse program.  Mark loves each of the young men he has coached through the years and watching those young men take the field at the high school and college levels gives Mark a great sense of pride!

During those rare occasions when Mark is off the lacrosse field, he is an in-house electrician with the Engineering Department at Capital One Arena in Washington DC.  Mark’s wife Liz played lacrosse during high school and they have a son Camden who was born with a lacrosse stick in his hand and who plays with the Cannons 2032 team.


Cannons 2028 Head Coach

Coach Ryan is a seasoned lacrosse coach who brings with him a career filled with lacrosse playing and coaching experience.  Growing up playing youth lacrosse locally with Calvert Lacrosse Club under Coach Lenny, Ryan moved on to play high school lacrosse at St Mary's Ryken and Huntingtown HS where he was a starting varsity player as a sophomore and Varsity Captain during his junior and senior years.  A highly accomplished player, Ryan was named All Conference Player, Top 205 All Star, Elite 100 All Star, and Bucknell Camp All Star twice!  Recruited by numerous schools, Ryan chose DIII Lynchburg University to continue his education and lacrosse career.  After college, Ryan continued his lacrosse passion by adding a coaching hat to his resume.  He has spent the past few years coaching a local youth Rec team and recently led that team to an undefeated season and a youth championship.  Coach Ryan does a great job of building relationships and teaching fundamentals.  He is a favorite or players and families and we feel very fortunate to have him join our coaching staff.   Coach Ryan works is the lead electrician for a boat building company in Deale MD and continues to compete in Men’s League Lacrosse in the area.

Cannons 2028 Assistant Coach

Coach Matt began his lacrosse career at a young age, playing Calvert Lacrosse Club/Cannons Select under Coach Lenny Casalino.  Matt played high school lacrosse at Southern High School in Anne Arundel County. After going through the recruitment process with numerous schools, Matt selected DIII Virginia Wesleyan College where he enjoyed a number of years at the school.  Matt has been coaching Cannons Select for the last 3 years and the players and teams have had enormous success under his instruction.  He brings passion and an analytical mind to the game.

Cannons Board Member / Advisor

Tom Duggan began his lacrosse coaching career in 1989 as the head lacrosse coach for the US Air Force Academy where he played as a midfielder and face off specialist for four years.  Following his six years at the Academy, a change in his military tour sent him to Rhode Island where he took over the coaching responsibilities at the University of Rhode Island and added youth lacrosse to his resume in the newly formed youth program in South Kingstown, Rhode Island.  With lacrosse growing at a rapid pace in the area, Coach Duggan continued coaching youth programs, middle school elite teams, and started the South Kingstown High School Boys Varsity Program.  While at South Kingston, he amassed a 71% win percentage, took the team to the playoffs 5 of his 6 years there, took the team to the State Championship his last 3 years, and was awarded the US Lacrosse Coach of the Year in 2011.  He moved to Maryland in 2013 where he continued his coaching career by joining the Cannons coaching staff.  He has coached our Cannons High School and Cannons 2023 teams and is currently coaching the Cannons 2025 Gold team.

Outside of lacrosse, Coach Tom is a Colonel in the US Air Force, serving as the Deputy Director of the Joint Surgeon General.  He and his wife Amy have a daughter Elizabeth who graduated from Endicott College and currently works in Rhode Island; a son Tanner who graduated from University of Northern Colorado, married, and currently coaches lacrosse at Colorado State University; a daughter Alana who graduated from the University of Rhode Island and continues to work in Rhode Island; a son Jack who is a graduate of Huntingtown HS and in his final year at Arizona State University; a daughter Olivia who graduated from Huntingtown HS and attends Winthrop University in South Carolina; and son Joe who is a freshman, playing lacrosse at Calvert Hall College High School and on the Cannons 2022-2023 HS team.  Clearly, Coach Tom has very little free time outside of family and lacrosse, but when he does he enjoys carpentry.  Tom built the bounceback walls currently at Grays Field and if you've ever tried to move them you will realize that Tom's carpentry creations are built to last - just like his relationships with his players!   

Cannons 2029 Head Coach

Coach Dave started his lacrosse career as a freshman at St. Mary’s High School in Manhasset, NY, where he played alongside now Hopkins Coach Dave Pietramala, where he won two NSCHSAA Lacrosse Championships, and where he was a starter on the Varsity Basketball team. After high school, Coach Dave was recruited to play defense at Division II Adelphi University in Garden City, NY.  Upon completion of his freshman year, Coach Dave was offered a prestigious academic scholarship in mechanical engineering at Brooklyn Polytechnic University. 

Off the field, Coach Dave works as an engineer for the U.S. Navy Air Traffic Control and Landing Systems.  He served on the Board of Directors of the AUVSI Southern Maryland Chapter for five years and worked with engineering students each summer while co-directing the AUVSI Student Competition. Coach Dave is father to two lacrosse-loving boys and husband to an extremely patient lacrosse mom. When his lacrosse schedule allows, he likes to spend time boating with his family on the Chesapeake Bay.  This is Coach Dave’s fourth year volunteering with Cannons Select.  His coaching passion is team defense and individualized instruction with young athletes to help them perfect fundamentals and develop the skills they need to excel.


Cannons 2029 Assistant Coach