«DAVE MIELE
Coach Dave is a highly respected baseball & wrestling coach, program director, and educator with over 15 years of experience developing student-athletes on and off the field. A former collegiate baseball player at both the NJCAA and NCAA Division II levels, Dave has built a career centered on leadership, mentorship, and long-term athlete development.
Dave currently serves as the Co-Owner and Director of Baseball Operations for BEAST Baseball, LLC, where he oversees all aspects of the organization, including elite travel teams, year-round training, camps, clinics, and business operations across Maryland and parts of South Central Pennsylvania. As the Head Coach of Team BEAST 18U, he has compiled an overall record of 126-98-6, earning national recognition with a #16 national ranking and #2 Mid-Atlantic ranking by Perfect Game (2024–2025).
In addition to his club leadership, Dave spent the last two years as the Head Varsity Baseball Coach at York Suburban High School (PA). Here he managed a complete rebuild of the program providing year round opportunities for student-athletes. His leadership and commitment to character-based coaching were recognized with the 2025 YAIAA Sportsmanship Award.
Previously, Dave spent six years at The St. Paul’s School for Boys, serving as a Middle School Physical Education Teacher and Head Coach for both varsity baseball and wrestling. During his tenure, he guided multiple teams to championship success, including two MIAA B Conference Championship appearances in baseball and a 2023–2024 MIAA B Conference Tri-Championship and Maryland Independent School State Championship in wrestling.
Earlier in his career, Dave held leadership roles with Impact Sports Baltimore, Playworks, and the U.S. Naval Academy Youth Leadership Baseball Camps, gaining extensive experience in athlete instruction, coach education, and large-group program management. He also completed a collegiate coaching internship at Frostburg State University, contributing to a conference championship and NCAA Regional appearance.
Known for his commanding yet positive coaching style, Coach Dave is passionate about building competitive programs rooted in accountability, discipline, and personal growth. He takes pride in preparing athletes not only for the next level of competition, but for success beyond the game.
CO OWNER
DIRECTOR OF BASEBALL OPERATIONS
17/18U HEAD COACH (2020-Present)
GREG ROSS»
Greg Ross began his collegiate baseball journey at the Community College for Baltimore County, Essex Campus (MD). He transferred to Frostburg State University (MD) in his junior year, where he continued to play baseball.
Greg was drafted by the Atlanta Braves in the 18th round of the 2011 MLB draft. He played professionally for seven seasons and moved through the ranks of the minor league system. Greg played professionally in Venezuela (El Tiburones de La Guaira).
In 2018, he ended his professional career with the Washington Nationals Triple A affiliate. Following his professional career, Greg began using his experience to train and mentor youth athletes. He was the Varsity Assistant coach for the St. Paul’s School Crusaders in Lutherville from 2021-2024. He is currently the Freshman Head coach at Calvert Hall College HS in Towson. Greg continues to compete on a national level playing with the 25+ Maryland Dodgers.
CO OWNER
DIRECTOR OF PLAYER DEVELOPMENT
14U HEAD COACH (2020-2021)
15/16U HEAD COACH (2021-Present)
«WAYNE BROOKS
Wayne Brooks has been a member of the BEAST Baseball organization since 2020. Playing in 3 full seasons at the 17U & 18U level as a 2B/OF. Wayne graduated from Sparrows Point High School in 2022 where he led the Varsity Baseball program to several trips to the MPSSAA State tournament. Including a spot in the state championship final in 2021. He also coaches youth athletes throughout the year for BEAST Baseball Elite Camps/Clinics. Brooks has an extensive & successful background in wrestling to complement his mental toughness approach to baseball. He served as Team BEAST 15/16U assistant coach in 2022-2023.
Team BEAST 17/18U ATHLETE (2020-2022)
15/16U ASSISTANT COACH (2022-Present)
«XAVIER THOMAS
Xavier Thomas started playing collegiate baseball at Garrett Community College (MD). He then transferred to Wheeling University (WV), where he finished his collegiate playing career. While attending Wheeling, Xavier was a dual sport athlete as he also competed in Football. He played in the Palm Springs Collegiate League & Ohio Valley Collegiate League during his summers through college. Xavier helps provide elite level coaching to youth ball players throughout MD working as an instructor for BEAST Baseball’s Elite Camps & Clinics. He is currently serving as an Assistant Varsity Baseball Coach at Overlea HS in MD. On top of that he is a Certified Personal Trainer who works with many athletes from a wide variety of sports.
17/18U ASSISTANT COACH (2025-Present)
«JUSTIN LEIBENSPERGER
Coach Justin is a York, PA native, he has been around baseball for decades playing up through High school at the varsity level. Justin has been involved with multiple baseball organizations and coaching at all levels, currently he is the assistant varsity coach at York Suburban High School. His passion for coaching has carried over to providing lessons and clinics to youth and high school players alike. His primary focus is on youth development and helping kids and young adults achieve their goals on and off the field. Justin is starting his coaching career with BEAST Baseball as the head coach for the 14u team (PA).
14U (PA) HEAD COACH (2025-2026)
15/16U (PA) ASSISTANT COACH (2026-Present)
«TREYTON SMITH
Treyton Smith has been around baseball for the greater part of his life. Having played Varsity HS baseball at York Suburban HS and most recently playing in competitive men’s leagues around PA. He currently serves as an assistant coach for York Suburban HS, working as the primary pitching coach. He has coached youth travel baseball for a few years for the Young Trojans. Coach Treyton is focused on sharing his knowledge of the game to help youth athletes grow their skill set on and off the field.
14U (PA) ASSISTANT COACH (2025-2026)
15/16U (PA) ASSISTANT COACH (2026-Present)
«CHASE SUPENSKY
Chase Supensky is a proud BEAST Baseball alumnus, playing with the program from 2020–2022 on the 17U and 18U teams as a pitcher, first baseman, and outfielder.
A 2022 graduate of Towson High School, Chase helped lead the Varsity Generals to the state championship and was nominated for Baltimore County Public Schools Pitcher of the Year.
Following high school, Chase continued his playing career at Wilson College (PA), competing at the NCAA Division III level. He earned All-Academic Team honors all four years and, in 2024, was ranked 8th nationally in Division III in strikeout-to-walk ratio.
Chase has remained connected to the BEAST Baseball family, helping coach BEAST Elite Summer Camps since 2020. He now brings his experience and passion for player development to the field as the Assistant Coach for Team BEAST 15/16U MD.
Team BEAST Athlete (2020-2022)
15/16U MD ASSISTANT COACH (2026-Present)
HAYDEN HAIR»
Hayden Hair played three varsity seasons at The St. Paul's School for Boys, helping lead the team to two MIAA B Conference championship appearances and earning All-Conference honors in both his junior and senior years. It was during his time at St. Paul's that Hayden first began coaching as a counselor with our BEAST summer camps.
Following high school, Hayden signed to play NCAA Division I baseball at Delaware State University before transferring to Montgomery College for two seasons, where he posted a .305/.424/.500 slash line.
Hayden is passionate about player development, focusing not only on helping athletes elevate their on-field performance, but also on instilling strong character and leadership off the field..
17/18U ASSISTANT COACH: 2026
ELITE SUMMER CAMP INSTRUCTOR: 2023-PRESENT