Coaching Staff

Warren Lager



Head Coach Warren Lager is entering his 41th year at the helm of the Pirates. He prides himself on keeping a healthy coaching philosophy that emphasizes that swimming is a tool to use to reveal and develop character both in the pool and (more importantly) in life.
He has worked with all levels of swimmers: Olympic Trial qualifiers/champions, Senior and Junior National qualifiers/champions, dozens of All-Americans and collegiate swimmers.
Warren was a National Championship qualifier and intercollegiate swimmer at UCLA.
Warren recently retired from College of Marin where he served as the  the Swimming & Water Polo coach and Kinesology instructor for 35 years..
He lives in Novato with his wife Amy. His son, Jordan, swam at and graduated from UC Davis and is pursuing a career as a ranger at Richardson Grove State Park.  Daughter Rachel recently graduated from Boston University and is getting her masters in London, England.

Marie McSweeney

Head Coach Kentfield Fall Program


In addition to coaching for the Pirates, Marie McSweeney is the Head Coach of Tidalwaves Swim Team as well as the Head Coach of the Tam Masters, an adult swim team recognized for its excellence in the USA.  Marie has developed these swim programs into a great swim and athletic experience for thousands of children in our community.  She has the ability to encourage, motivate, drive and support swimmers, young and old in a POSITIVE way that focuses on transferring her love of the sport to her swimmers.  On top of that, she has an unbelievable memory for names and swim times.  You too will marvel at the way she can tell them all apart even when they are all wet!

Tom Sweeney

Coach Kentfield High School Pre-season


Tom began teaching at Scott Valley in 2004 as the Assistant Swim Coach for the Sea Serpents swim team.  In addition to the swim team, he works alongside Paul Stasiowski with the Junior Sea Serpents swim program.  

Tom has always enjoyed racing and has competed in track, cycling, triathlon and swimming events over the course of his athletic career.  As an athlete, he was blessed with truly wonderful coaches that positively influenced his life.  Combined with his joy for the water, he was inspired to follow a career in coaching the sport of swimming.

As an instructor he is committed to providing a safe environment wherein each student can find as much success as possible and he enjoys sharing his competitive swimming background and aquatic knowledge with all of his athletes.