top of page
Photo Aug 29 2023, 5 16 29 PM.jpg

Be part of 



Our commitment to excellence means we're offering limited spots to ensure each player and team receives focused, high-quality training and development. Here’s what you can expect from our new team structure:

Select Teams

In Partnership with NEW LEVEL


Ultimate Select Experience: For those who eat, sleep and breathe baseball. This is your chance to be part of an Elite Group.

Top-Notch Resources & Coaching: Benefit from the combined expertise of Boost Baseball and New Level coaches.


Island Crest Park (south)

June 18 & 27.

8U - 9U

5:00pm - 6:00pm

10U - 11U

6:00pm - 7:00pm

12U - 13U

7:00pm - 8:00pm

Youth Baseball Game

What will a New Level Boost player achieve at the end of the camp?

At the end of camp, a Boost Brave player will be...

In these sessions, players will work on hitting, pitching, fielding, and other aspects of the game through specialized drills and simulated game scenarios. Our state-of-the-art indoor facilities are equipped with cutting-edge technology to provide valuable insights and data analytics to further improve performance.

  • Balanced Focus: Our team emphasizes both skill development and healthy competition, fostering an environment where players can grow and learn.

  • Training The Athlete: We believe in the benefits of helping our players get stronger, faster, and overall more athletic. This promotes well-rounded athleticism, reduced risk of injury, and enhanced enjoyment of physical activity.

  • ​Reduced Performance Pressure: We help players build confidence and reduce performance anxiety, leading to a more positive experience on and off the field.

  • Playing Time Opportunities: Our coaching philosophy ensures that all players receive ample playing time practicing, in tournaments, or playing rapid baseball.

  • Technologies: We have three Hittrax machines, Trackmans, and Pocket Radars that track the development of our players, motivating them to exceed their goals and increase performance.

  • Coaching: We have collegiate-level coaches helping our players grow on and off the field.


Sean Profile



Sean White is a former professional baseball player with a distinguished career both on and off the field. Growing up in Mercer Island, Washington, Sean showcased his pitching skills at Mercer Island High School. Opting for collegiate baseball over an immediate professional start, he attended the University of Washington.

As a Husky from 2000 to 2003, he excelled as a starting pitcher, earning All-Pac-10 honorable mentions in both 2002 and 2003. Over four seasons with the Mariners (2007-2010), he maintained a win-loss record of 4-4 and an ERA of 4.16. His peak performance in 2009 included a 2.80 ERA across 52 outings, earning him the title of Mariners’ 2009 Unsung Hero by the Baseball Writers Association of America.


Andre Marshall


Andre Marshall, outfielder and switch hitter, played for the Washington Huskies. Drafted by the Philadelphia Phillies, he went on to play minor league baseball for seven years.

Been a hitting instructor over 20 years and have had hundreds of HS players that went on to college and professional baseball. Coached at Mercer Island HS for 12 years and won 2 state championships.

​​Coached outfield hitting and Baserunning at Mercer Island HS


Nikki Visone


Visone graduated from Cimarron Memorial in 2013. After his Freshman year at Mt. San Jacinto CC (CA) he transferred to Madison, WI to finish his eligibility at Edgewood College posting a career .400 OBP.

Transitioning to coaching, Coach Visone took an assistant job in Las Vegas at Legacy High School. 

Nikki is currently a graduate assistant at Seattle University (D1), and in charge of baseball operations for Boost Baseball. 


Steve Goucher.png


Former Atlanta Braves MLB Scout

Played Collegiately at San Diego State University 1988 - 1990

Played Professionally for the Taiwan, Taichung Blackhawks.

Basehall Camp Director for Seattle Mariners, Mike Blowers and Julio Cruz.

Association of Professional Baseball Player's of
America * Lifetime Member #5854

Invented the Baseball Retriever Fungo Bat / with Bill Nye " The Science Guy"



Mason McAlister.png

After graduating in 2014 from Yukon High (OK), pitched for Cowley College (KS) won a conference championship and played in the D1 JUCO WS. In 2016 transferred to Okla. Christian Univ and was selected as an All-Conference Honorable Mention.

Posted a career 3.77 ERA in 3 professional seasons in Independent Leagues (Parter MLB Leagues)

Currently 3+ years of experience training athletes to be more efficient in their movements and patterns.
2 years coaching college baseball in the PIL and WCL leagues with the Redmond Dudes.




Colton Turner, is the Head Velocity Trainer at Boost Baseball and the head coach of the 2025 New Level Boost 13u team.Colton specializes in biomechanics and overall efficiency, with a focus on helping athletes gain velocity while staying healthy and improving their pitching skills.


With four years of college baseball experience, and occasionally playing in national men’s fastpitch tournaments, Colton’s passion for the game is evident in everything he does.Colton is committed to not only improving his players' physical performance but also enhancing their knowledge of the game and boosting their confidence both on and off the field.

bottom of page