Dominic Leone brings a wealth of experience to E3 Sports Performance. A veteran Major League Baseball (MLB) pitcher with nine years of MLB service time, Dominic is committed to developing the next generation of pitchers in the Lowcountry with unmatched instruction and insight straight from the highest level of the game. Dominic played collegiate baseball at Clemson University, where he was a standout pitcher for the Tigers. His dominant performances and strong work ethic led to his selection in the 2012 MLB Draft by the Seattle Mariners. After making his MLB debut in 2014, Dominic pitched in the big leagues for 10 different organizations, including the Seattle Mariners, Arizona Diamondbacks, Toronto Blue Jays, St. Louis Cardinals, Cleveland Guardians, San Francisco Giants, New York Mets, Los Angeles Angels, and more. Across 11 professional seasons, with 10 of those spent in the majors (2014-2024), he compiled an impressive 3.92 career ERA over 429 innings pitched. His ability to perform at the highest level for nearly a decade is a testament to his skill, preparation, and dedication to his craft. Throughout his professional career, Dominic spent his off seasons training at E3 Sports Performance, working closely with Christian Powell to fine-tune his skills and maintain peak physical condition. Now, after years of competing in the majors, he is excited to return home to the Lowcountry and give back to the next generation of athletes. Dominic is bringing an elite-level training program unlike anything available in the region. His instruction focuses on advanced pitching mechanics, velocity development, command refinement, pitch sequencing, and arm care, providing pitchers with the tools and knowledge necessary to succeed at any level. Athletes who train with Dominic will receive professional-level coaching directly from an MLB veteran who understands what it takes to compete at the highest level. This is an unparalleled opportunity for pitchers in the Lowcountry to learn from one of the best, develop their skills, and take their game to the next level. Join Dominic Leone and the E3 Sports Performance team and experience the most advanced pitching instruction in the Lowcountry—led by a proven MLB pitcher who knows what it takes to succeed.

At E3 Sports Performance, Christian leads our strength & conditioning programs which focus on strength & condition training, speed & agility, mobility, and recovery. Christian Powell's journey in baseball began in the upstate of South Carolina during his high school years. In 2009, he was even drafted by the Cleveland Indians, although he made the decision to pursue higher education at the College of Charleston. In 2012, destiny called again, and Christian was selected in the 8th Round of the MLB draft, this time by the Minnesota Twins. Unfortunately, his playing career was shortened due to injury, but it ignited a new passion – coaching and mentoring the next generation of baseball players. Christian's commitment to continuous learning has driven him to attain certifications in Pitch Design through Driveline Baseball, Foundations of Pitching, Rapsodo, and as a personal trainer. He also hold a Masters in Applied Exercise Science at Concordia University Chicago. Drawing upon physical assessments and data analysis, Christian crafts individualized programs for both teams and players, laying the groundwork for them to become stronger athletes and excel in their pursuits.

At E3 Sports Performance, Christian offers  group training, private hitting, catching, defensive lessons.  ​ Christian Maggio is a dedicated athlete and educator, driven by a passion for both sports and coaching. His journey through the world of baseball includes a standout collegiate career at Charleston Southern University from 2018 to 2021, where he achieved the prestigious honor of being named an All-Big South Conference Selection in 2018. In 2022, Christian continued his academic and athletic pursuits at Queens University of Charlotte, where he excelled not only on the field but also in the classroom. His commitment to academics earned him recognition as an SC Academic All-District Honoree in 2023. Beyond his own accomplishments as a player, Christian's love for the game led him to give back to the next generation of athletes. He currently serves as an Assistant Varsity Baseball Coach at Summerville High School, where he imparts his knowledge, experience, and dedication to nurturing the skills and character of young players. Christian's unique blend of academic and athletic excellence, along with his coaching prowess, makes him an invaluable asset to the world of sports and education.

At E3 Sports Performance, Adam will be working with our Youth Performance Program and Adult Performance Training Classes. Adam was raised in Massachusetts. He earned his bachelor's of science degree in physical education with a focus on exercise science from Norwich University in Vermont in 2016. Adam has over a decade of coaching experience, from youth sports performance to senior functional fitness while a trainer for Mike Boyle’s Strength & Conditioning. After taking his talents to Charleston, Adam served as the South Carolina Stingrays hockey team's strength and conditioning coach for the 2022-2023 season. When not coaching, you will most likely catch him building his YouTube channel or at the beach trying to stay warm and active. Adam is a certified strength and conditioning specialist, a certified functional strength coach, functional movement screen certified, and the owner of Decentralized Strength. Adam offers an adult strength & conditioning club, senior fitness groups, sport performance camps, and private training. Decentralized Strength is an online strength and conditioning service in Charleston, South Carolina, helping everyone maximize their physique, fitness levels, and athleticism using simple, safe, and effective methods.

At E3 Sports Performance, Brad offers small group hitting instruction. Brad Arnold is the owner of 843 Hitting Performance, a training program in the Mount Pleasant area that specializes in individual assessment and protocols designed to meet baseball and softball athletes where they are and develop critical thinking skills that put them in control of their swing. Prior to moving to Charleston, Brad spent 8 years as a facility hitting coordinator in Denver and DC developing individual, academy and team training programs for athletes ranging from young youth players brand new to the game, all the way up to professional athletes. This experience helped build the ability to communicate needs to athletes of all ages and skill levels. Brad also spent a year coaching at Lackawanna College as the hitting coach helping develop an offense that led the country in homeruns and was top 15 in slugging percentage.

At E3 Sports Performance, Karl offers private hitting lessons for both baseball and softball players.  Karl Morris's roots in the world of baseball run deep, tracing back to his upbringing on James Island, where he honed his skills playing at James Island High School. His journey in the sport continued as he had the privilege of furthering his baseball career at the College of Charleston, culminating in his graduation in 2000. Following his college years, Karl transitioned into providing private instruction, sharing his expertise and love for the game with aspiring athletes. In 2001, he took on the role of varsity head coach at James Island, further solidifying his commitment to developing young talent. In 2005, Karl embarked on a different path and joined the fire department, which limited his role as a head coach but did not diminish his passion for the game. He continued to contribute to the baseball community as an assistant coach at Wando High School until 2011. Throughout his career, Karl has collaborated with various baseball and softball travel organizations, including Diamond Warriors, Revolution, Canes, Lumberyard, Raptors, and Bombers. His coaching philosophy revolves around the fusion of fundamental instruction with the essential task of nurturing each player's confidence. Karl Morris is not just a coach; he is a dedicated mentor, committed to instilling both skill and self-assurance in every player he encounters.