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Kevin Mayer

Coach Mayer Executive Director Rock Lacrosse

Coach Mayer is a Co-Founder of the Rock Lacrosse Program and is currently Executive Director. Coach Mayer worked closely with Hugh Coyle original founder of Rock Lacrosse during the programs launch and assumed direction of the program shortly after Hugh's tragic passing one year after the program got off the ground. Coach Mayer is entering his 27th year coaching and or directing Rock Lacrosse programs at the youth, high school and collegiate levels. Coach Mayer previously served on the board of the Howard County Lacrosse Program, as Director of Coaches Training, during that programs rise to become one of the nations largest recreational lacrosse programs. Coach Mayer coached NJCAA Lacrosse at Catonsville Community College as Associate Head Coach bring the Cardinals into the NJCAA region championship discussion in 2011-2014 garnering Top 10 NJCAA rankings for the first time in 5 years at Catonsville. Coach Mayer played collegiate lacrosse at McDaniel College, where he graduated in 1991. 

George Parks

Coach Parks Rock Director and Chief Operating Officer

Coach Parks is entering his 6th season working as Director and Chief Operating Officer of the Rock Lacrosse Program directing operational initiatives for Rock Lacrosse program wide efforts. Coach Parks works closely with Coach Mayer in the overall management of the Rock Lacrosse Program. Coach Parks is currently Junior Varsity Lacrosse Coach at St. Paul's School - Brooklandville, and has coached at the high school and college levels at other stops in his career. Coach Parks has experience directing the Fallston Lacrosse Program and founded Hartford Renegades Lacrosse program, prior to merging with Rock Lacrosse in 2014. Coach Parks is a graduate of Roanoke College where he played on top 10 NCAA teams, was an All American and member of the Roanoke Hall of Fame. Coach Parks currently also Coaches Rock 2019 ELITE Top 22. 

Trey Whitty

Trey Whitty Director of Coaching & Player Development

Current Head Varsity Lacrosse Coach at his alma mater St. Paul's School - Brooklandville, MD, with previous experience as an Assistant Coach at McDonogh School and Athletic Director at St. Mary's High School Coach Whitty played collegiate lacrosse at University of Virginia and continued his career in the MLL.  Coach Whitty is Director of Coaching and Player Development directing initiatives and support within the Rock Lacrosse program in two critical areas: (1) supporting the Rock coaching staff in their development;  staying on the cutting edge of trends, scheme's concepts, etc. while continuing to build our coaching bench (2) supporting our players development, through efforts with our staff but also direct efforts with our players as the maneuver through our programs developmental journey.

Kyle Wimer

Coach Wimer Rock PA Director

Coach Wimer is a Director at Rock Lacrosse working closely wtih Coach Parks and Coach Mayer in the overall direction of the Rock Program for Rock PA Teams. Former Director of Low & Away Lancaster, Former Head Coach of Mannheim Township where he was 2011 LL League Champs, 2011 & 2013 District 3 champion and 2011-2013 regular season LL League Champion. Selected by Lancaster New Era as Coach of the Year. Played collegiate lacrosse at UMBC where he was a 2x America East First Team, 2x USILA All American and Scholar All American.  Selected 12th overall in 2010 MLL Draft, finishing his career with the Florida Launch. As a high school player Kyle was and Inside Lacrosse best player in Pennsylvania and 2008 Central Pennsylvania Player of the Year

Brandon Childs

Coach Childs York College Head Coach - Rock ELITE High School Coach MD

Coach Childs is entering his 5th season coaching in the Rock Lacrosse program. Current Coach of Rock 2019 ELITE MD Top 22, Coach Childs also Coached Rock 2017 ELITE MD Top 22 team. Currently York College head coach Brandon Childs enters his fifth season at the helm of the Green and White after four successful seasons at York.

In 2014, Childs led the Spartans to a school-record 16 wins as York earned a share of the Conference regular season title and the second seed in the CAC tournament. The Spartans made their first appearance in the CAC title game and received a Pool C (at-large) birth to the NCAA Tournament, also a program first. The Spartans advanced to the round of 16 in their first year in the tournament. For his efforts, Childs was named CAC Coach of the year and was one of five finalists for the USILA National Coach of The Year.

In addition to the Spartans' 2014 team success, a school-record six Spartans earned All-CAC honors including the Capital Athletic Conference Rookie-of-the-Year, Garrett Barker. Five Spartans were named USILA All-Americans and Senior Seth Krolus was named to the USILA Academic All-American Team. Junior attackman Tyler Hutson was named to the COSIDA Academic All-American team as well.

The Spartans are 48-25 in Childs' four seasons at the helm of the program and his career record now sits at 76-44.

Childs, the fourth coach in program history, has had a strong run of success during his coaching career. While at Eastern University, he posted an overall record of 28-19 including a 23-9 mark in conference play. Childs led the Eagles to a trio of MAC tournament appearances.

Prior to taking over the Eastern program, Childs was a three-year assistant at Dickinson College where he directed the Red Devil offense. Dickinson went 27-16 over his three years in Carlisle.

Childs began his coaching career after a stellar four-year tenure as a player at Lynchburg College. He concluded his career with 193 points on 91 goals and 102 assists. His 102 assists, still stands as a school record for Lynchburg. He was a USILA All-American as a junior and again as a senior while he was also a Scholar All-American as a senior. Childs was a three-time ODAC All-Conference player for the Hornets.

At the conclusion of his playing career, Childs served as an assistant coach for the Hornet program as he pursued his Masters' Degree in Educational Leadership. He completed his advanced degree in May of 2008.

Keith Euker

Coach Euker - Head Coach Rock 2021 Maryland

Coach Euker Head Coaches our 2021 MD Top 22 team and oversees coaching and curriculum for our 2021 age group. 

Euker beings his 5th season at the helm of McDaniel College men’s lacrosse program in 2018.After a three-win debut campaign, Euker doubled his squad’s win total each of the last two seasons.He came to McDaniel after spending the two years as the top assistant at Denison. In his two years there, the Big Red compiled a 32-5 record and top-20 rankings in both seasons.In his first year, Euker was part of the most successful season in Denison lacrosse history, winning the North Coast Athletic Conference (NCAC) and advancing to the NCAA Div. III quarterfinals. The 2014 squad set program records for wins (19), goals (320) and assists (189) and led the nation in scoring defense, allowing just 5.8 goals per game. The offense (16.0 gpg) and faceoff unit (67.8 win percentage) both ranked fifth nationally.In his two seasons in Granville, Euker coached 18 All-NCAC honorees, including the 2014 Rookie of the Year and Defensive Player of the Year, and five USILA All-Americans.Prior to his arrival at the Division III level, Euker spent two years as the goalie coach at the University of Michigan. As part of the staff for the Wolverines’ inaugural season at the Division I level, he coached the goalies. In 2013, he coached freshman keeper Gerald Logan to a national-best 15.07 saves per game and Eastern College Athletic Conference All-Rookie team honors. Prior to his time in Ann Arbor, Euker spent two years at Missouri (MCLA) as its head coach. Euker guided the squad to a 21-11 record in two years and was named Great Rivers Lacrosse Coach of the Year in 2011. He coached three Men’s Collegiate Lacrosse Association All-Americans and produced 17 all-conference honorees, including the 2011 Offensive Player of the Year.

A Baltimore native, Euker was a first-team All-Metro selection as a senior at Loyola Blakefield before playing his collegiate career at Loyola under legendary coach Dave Cottle. As a senior, he helped the Greyhounds to a No. 1 national ranking and NCAA semifinal appearance. Euker graduated from Loyola in 1999 with a bachelor of arts in communication with a concentration in public relations.


Spencer Parks

Coach Parks Volunteer Assistant Navy - Rock ELITE High School Coach MD

Coach Parks begins his 6th season coaching with the Rock Lacrosse program, currently serving as an Assistant Coach for Rock 2019 ELITE Top 22 MD, working with Coach Childs. Coach Parks is currently a Volunteer Assistant at Navy. A native of Fallston, Md. and product of St. Pauls School, Parks joined the Navy lacrosse staff as a volunteer assistant coach in August of 2017. He began his playing career at North Carolina before transferring to Towson in the fall of 2014. A starter at attack in 35 of the 36 games in which he played, he recorded 79 points on 45 goals and 34 assists in his two seasons at Towson. In his first season with the Tigers, he produced 31 points on 16 goals and 15 assists before closing out his career as the team's second-leading scorer (29-19=48) and guiding Towson to the 2016 NCAA Quarterfinals. He was responsible for four game-winners his senior campaign, including the final marker against Fairfield in the CAA Championship. While finishing his degree, Parks served as a student assistant with Towson during the 2016 fall semester. After graduating in December, he joined the coaching staff at St. John's College High School in Washington, D.C. where he focused on the offense under head coach Wes Speaks. Not only did he coach numerous all-conference players, he helped guide the program to the WCAC title.

Gary Clipp

2X UMBC All American, HOF UMBC, US Lacrosse HOF, 2X Team USA Player

Coach Clipp is entering his 7th season coach with the Rock Lacrosse program. Coach Clipp played collegiate lacrosse at UMBC where he was a 2X All American and a member of the UMBC Sports Hall of Fame.  A 2X World Team (Team USA) play, coach Clipp is also a member of the US Lacrosse Hall of Fame and is recognized as one of the best clearing midfielders to ever play the game.  In addition Coach Clipp was one of the first to ever receive national recognition playing the long pole midfield position. Coach Clipp currently runs the defense for Rock 2019 ELITE Top 22. 

John Schein

Coach Schein Rock 2019 ELITE Top 22 PA Coach

Coach Schein is entering his 3rd season coaching in the Rock Lacrosse Program. Coach Schein currently Coaches Rock 2019 ELITE Top 22 PA with Coach Kaplan. Currently Head Varsity Coach at Hershey High School, Coach Shein is entering his 15 year at helm at Hershey, where he has compiled a 167-53 record and been head coach for all of the programs 6 conference titles . Coach Schein played college lacrosse at the University of Maine and has remained connected with the sport since. Coach Schein has built a highly respectable program at Hershey during his tenure and Hershey is consistently recognized as a top central PA region program. Coach Schein approaches coaching with a dedication, passion and commitment that is reflected in his successes at Hershey.

Dan Kaplan

Coach Kaplan - York College Assistant Coach - Rock 2019 Top 22 PA Coach

Coach Kaplan enters his 7th season Coaching in the Rock Program. Coach Kaplan is a Rock alum that finished his NCAA career playing for York College Spartans. Dan Kaplan returns for his second year on Brandon Childs' coaching staff after an outstanding career as a Spartan. In his first season on the sidelines with the Spartans, Kaplan led the team’s offense to set school records in points, goals per game, assists and assists per game. The 2017 Spartan offense averaged 13.3 goals per game on their way to an impressive 17-4 season and a trip the NCAA Quarterfinals. Off the field coach Kaplan has been instrumental in the recruiting efforts for the program.

In 2016, Kaplan finished his two year Spartan career scoring 16 goals and 10 assists in two season for the Green and White. In his sophomore season at Howard Community College, he tallied 42 goals and 15 assists and led the team deep into the NJCAA playoffs. As he moved from the field to the sidelines, he has brought leadership and incredibly high lacrosse IQ to practice planning and game day prep.

Coach Kaplan Coaches Rock 2019 Top 22 PA

Kevin Kohout

Coach Kohout Rock 2019 ELITE High School Coach

Coach Kohout is entering his 3rd season coaching with Rock Lacrosse and is currently an Assistant Coach at Arcadia University. Kohout came to Arcadia following a two-year stint as the assistant coach at McDaniel College, where he was responsible for coaching the team’s short-stick midfielders along with riding, clearing and defensive strategies. He has also been the assistant head coach of the Rock Lacrosse club team in Baltimore, Maryland since October of 2015. In that role, Kohout serves as the offensive coordinator and manages the substitution box.

In his four-year career as a long-stick midfielder at Ursinus, Kohout played in 52 games, scoring three goals, picking up 42 groundballs and causing 21 turnovers. He was also a four-year member of the football team, where he recorded 58 total tackles and three pass breakups as a defensive back.

Kohout earned his bachelor’s degree in Exercise Sports Science from Ursinus in 2015, before earning a master’s degree in Exercise Science and Physical Education from McDaniel in 2017.

Keith Askenas

Coach Askenas Rock 2019 Top 44 Head Coach

Coach Askenas enters his 7th season coaching with the Rock Lacrosse Program. Coach Askenas directed a 2014 Rock ELITE team that send 21 players to NCAA programs, building a highly competitive Top 44 team. Coach Askenas delivers a patient but detailed approach to coaching and mentorship and regularly produces transformative results for Rock participants. Coach Askenas Coaches Rock 2019 Top 44 team. 

Hugh Donovan

Coach Donovan Rock 2020 ELITE Top 22 Head Coach & Rock USBOXLA Team Head Coach

Coach Donovan is Head Coach of Rock 2020 ELITE Top 22 Team. Coach Donovan, a 1996 graduate of Bucknell University, is currently Assistant Coach Defensive Coordinator the York College Spartans. Prior to joining York Donovan served as head coach at Immaculata University where he served for the past three seasons. Prior to Immaculata, Donovan was the head coach at Harford Community College in Bel Air, Maryland for four seasons. Donovan compiled a record of 37-29, and earned bids to the Region XX Championships in all four seasons. His team's best season came in 2013 when Harford went 12-6, advanced to the Region XX Championship game, and later earned an at-large bid into the National Junior College Athletic Association (NJCAA) National Championship Tournament.

Donovan was a two-time NJCAA Region XX Coaches' Association Coach of the Year in 2012 and 2013. Donovan also spent time at both Bucknell and Mount St. Mary's as an assistant coach.

As a player, Donovan's six-year professional career spanned National Lacrosse League (NLL) and the Major League Lacrosse (MLL)  leagues for the Baltimore Thunder, Pittsburgh Crossfire, Washington Power, Colorado Mammoth, Philadelphia Wings, and Baltimore Bayhawks.  He made five playoff appearances and was on the MLL Championship Baltimore Bayhawk team in 2001. In the NLL Coach Donovan was known as an enforcer and one of the more physical defenders in the league. 

Before his successful professional lacrosse career, Donovan was a stand-out at Bucknell as a defenseman.  He was an Honorable Mention All-American in 1996 as well as the Defensive Player of the Year in the Patriot League. He was first-team All-Patriot League his junior and senior seasons and second-team All-Patriot League in his sophomore season. Donovan was also a captain his junior and senior season, and a member of the All-Decade Team for the Patriot League in 2000. He was inducted into the Bucknell University Athletic Hall of Fame in 2011.

Tarhy Alford

Coach Alford Rock 2020 ELITE Top 22 MD Coach

Coach Alford enters his 6th season coaching with the Rock Lacrosse Program. Coach Alford is in his 7th season as Offensive Coordinator at Westminster High School where he helped lead the Owls to a State Championship in 2013 and multiple state semi-final appearances. Coach Alford, hails from North Carolina,  played Collegiate Lacrosse at CCBC Essex and has over 12 years of High School Coaching Experience. Coach Alford coaches offense for Rock 2020 ELITE Top 22 MD team. Coach Alford also Team Directs and Coaches Rock Lacrosse USBOXLA HS team. 

Matt Ryan

Coach Ryan Rock 2020 ELITE MD Coach - Assistant Varsity Coach Aberdeen High School

Coach Ryan is entering his 5th season with the Rock Lacrosse Program. Coach Ryan is currently Assistant Varsity Coach at Aberdeen High School. Prior to Aberdeen Coach Ryan was an Assistant Varsity Coach at Fallston High where he helped lead the Cougars to a state championship. Coach Ryan played Collegiate Lacrosse at NCAA DII perennial powerhouse NYIT, NCAA DI Manhattan College and at NJCAA Powerhouse Nassau Community College. Coach Ryan hails from Long Island NY and is a graduate of Massapequa High School. Coach Ryan came to Rock Lacrosse after coaching with the Long Island Pride LC. Coach Ryan currently Coaches Rock 2020 ELITE MD. 

Craig Campbell

Coach Campbell Rock 2020 ELITE Coach

Coach Campbell enters his 6th season coaching in the Rock Lacrosse program. Coach Campbell is currently Varsity Assistant Coach at Fallston High School helping Coach Parks lead the Cougars to four state championships. Prior to Fallston Coach Campbell was a Head  and Assistant Varsity Coach at Pikesville High School where he directed and helped lead Pikesville to three state championship, two as a head coach one as an assistant. Coach Campbell has also coached for the MLL Annapolis Bayhawks, holding an assistant coaching position; helping the Bayhawks win two MLL Championship. Coach Campbell coaches 2020 age group for Rock MD teams. 

Bill Hughes

Coach Hughes Rock 2020 ELITE PA Top 22 Head Coach

Coach Hughes enters his 3rd season coaching with Rock Lacrose in PA. Coach Hughes has previously served as Head Varsity Coach at Wilson West Lawn HS, where he lead the Bulldogs' to an outstanding season, his last year there, which included a fifth straight BCIAA championship (four under Hughes), their first District 3 title and a 25-1 record, with the lone loss coming to La Salle College in the PIAA quarterfinals. The Bulldogs also went 10-0 in the league this spring, giving them 60 straight BCIAA wins. Coach Hughes Head Coaches our Rock 2020 ELITE PA team working closely with Coach Mullen. 

Marty Mullen

Coach Mullen Rock 2020 ELITE PA Coach

Marty enters his third season coaching in the Rock Lacrosse program. Coach Mullen is currently an Assistant Coach at Elizabethtown College, joining the Elizabethtown staff this season. Prior to Elizabethtown Coach Mullen was Head Varsity Coach at Lampeter Strasburg High School. Prior to L-S Coach Mullen was Head Coach at Immaculata University. Coach Mullen coaches Rock 2020 ELITE PA Top 22. 

Dave Ondrusek

Coach Ondrusek - Rock PA High School Coach

Coach Ondrusek is a long time coaching standard in the Central PA lacrosse circuit. Coach Ondrusek is currently Varsity Head Coach at Palmyra High School, previously coaching at Hempfield High School from 2011-2014 where he compiled a 70-22 record. An exceptional teacher, instructor and mentor in the game of lacrosse Coach Ondrusek delivers a patient but detailed approach to the game of lacrosse. Coach Ondrusek currently coaches with the Rock PA High School Program.

Brendan Mundorf

Coach Mundorf Rock 2021 ELITE Top 22 Head Coach

Coach Mundorf enters his second season Coaching and or Directing in the Rock Lacrosse Program. Coach Mundorf joined Rock after a merger between Rock Lacrosse and Bitmore a Catonsville based club program. Coach Mudorf is a US Lacrosse Hall of Fame Inductee in 2017. Coach Mundorf played Collegiate Lacrosse at UMBC where we has a 2X USILA All American, after UMBC Coach Mundorf had an illustrious career in Major League Lacrosse and National League Lacrosse earning All Pro honors in both leagues. Coach Mundorf is a 2X Team USA World Team player. Coach Mundorf is a graduate of Mount Saint Joseph High School. 

Josh Berenzy

2021 Team Director - Rock Marketing Department

Josh joined the Rock Lacrosse Program as part of the merger with Bitmore Lacrosse. Prior to Rock Lacrosse Josh was a member of the Bitmore coaching staff while also handling team director duties. Josh current helps team direct the 2021 age group, while working closely with the Rock marketing departments in the promotion of the program, clinics, and events.

Don Treacy

Don Treacy Rock MD Middle School Coach

Coach Treacy currently Team Directs and Coaches Rock 2022 MD team. Coach Treacy is entering his 7th season with the Rock Lacrosse program where he has served as Team Director and Head Coach at various middle school and high school levels. Coach Treacy is a graduate of Roanoke College, where he was an All American Midfielder. Coach Treacy was recently selected into the Roanoke Athletic Hall of Fame. 

Rick Matthews

Coach Matthews - Rock MD - Middle School Director

Coach Matthews enters his 12 season coaching in the Rock Lacrosse program. Coach Matthews Directs the Rock Middle School program, in charge of our middle school curriculum, schedule, program and all aspects of development within our Middle School Program. Coach Matthews is current lower school Physical Education and Athletic Director, where he is an Assistant Coach on St. Paul's Junior Varsity Lacrosse Team. Coach Matthews, prior to St. Paul's School was Head Varsity Coach at MIAA A Conference Friends School. Coach Matthews has also served as Level III Coaching Instructor for US Lacrosse, recognized as one of the top coaching instructors for the Coaching program at US Lacrosse. Coach Matthews is a graduate of Limestone College where he earned All American honors and was a member of an NCAA DII National Championship team. 

Guy Hornig

Coach Hornig Rock PA Middle and High School Coach

Coach Hornig is entering his 3rd season working within the Rock Lacrosse Program at both the high school and middle school levels. Coach Hornig was most recently the Head Varsity Coach at Lampeter Strasburg High School. Coach Hornig has significant experience coaching township, youth, high school and club lacrosse in the Central PA region and brings a detailed and enthusiastic drive to coaching the game of the lacrosse. 

Patrick Stafford

Pat Stafford Rock PA Middle School Coach - Head Varsity Coach Red Lion High School

Coach Stafford current coaches in our Pennsylvania Middle School Program at the 2025-2026 age group and Head Varsity Lacrosse Coach at Red Lion High School. Coach Stafford is a long time coach within Red Lion, PA township teams, with club coaching experience with Chaos Lacrosse Club - York, PA. Coach Stafford's son Pat was a star performer at Red Lion, High School is a Rock Lacrosse alum and current plays collegiate lacrosse at John Carroll University.