San Diego Staff

Meet Our 2017 Staff

Ron Witmeyer - Owner/Director of Instruction

A former Major Leaguer with the Oakland A's and 2-time College World Series Champion at Stanford University as a player, Ron has 10 years of coaching experience at the collegiate level where he has served as a hitting coach at both Stanford and Cal.

Ron has coached over 50 professional players and more than a dozen major leaguers including current up & comers Conor Jackson, Brennan Boesch, John Baker, and Allen Craig.  He is excited to bring the highest level of instruction and training to the San Diego Community through Frozen Ropes.

Joe McAtee - Senior Pitching Instructor

Joe brings many years of baseball and teaching experience to Frozen Ropes. A graduate of the University of Kansas, Joe had a professional pitching career with the Pittsburgh Pirates organization (1968-1971) that was cut short due to injury. He has been a successful coach for several years in North San Diego County at the travel ball and high school levels. Currently, he coaches 2 travel teams and is a highly respected pitching coach for one of San Diego’s top high school programs.

An excellent communicator, Joe believes in not only building proper mechanics but also in developing the mental side of the game. His goal is to produce the complete pitcher and he understands what it takes to compete at the highest levels. His son, Brad, whom he continues to mentor, was a professional pitcher in the Colorado Rockies organization.

Ryan Martin - Baseball/Softball Instructor

Ryan is an outstanding athlete and leader who was the starting 3rd baseman for the 2004 CIF Sac-Joaquin Section Champion Davis High School Blue Devils. He then spent 2 years at the California Ranked Cosumnes River College before completing his college career at Whittier College where he was a 1st team All-SCIAC selection as an infielder and graduated with Honors and a B.S. in Child Development in 2008.

He was also a member of the 3-time defending SDABL Champion Bones from 2008-2010.  Ryan has provided instruction in all aspects of the game, is an expert at video analysis of both hitters and pitchers, and plays an integral role with Frozen Ropes.


Tracy Sanders -  Senior Baseball/Softball Hitting Instructor

A former 10 year professional player with the Indians, Pirates, Padres, Rangers, and Mets organizations where he was a 4 time Minor League All-star, Tracy was a hitting coach in the Pittsburg Pirates organization at the end of his playing career.  Later, while spending 8 years as a youth baseball coach at Baseball USA in Houston, TX, he coached nationally renowned 18U, 16U, and 15U select travel teams for the Houston Heat.

A great communicator of the game to players at all levels, his wealth of experience and knowledge as both a player and a coach make him a valuable asset to our Frozen Ropes' students.  We are lucky to have him on our staff and he is excited to be bringing his coaching talents to San Diego.


Bobby Brown - Baseball Lead Instructor

Bobby grew up in San Diego where he played in Rancho Bernardo Little League and travel baseball all over Southern California.  Brown graduated from Rancho Bernardo High School in 2007 where he played under coach Sam Blalock.  He earned first-team All-Palomar League honors his junior season and second-team honors his senior year.

Brown played college baseball at the University of Arizona under head coach Andy Lopez.  During his senior year he hit a career high .348 with 59 RBI's leading his team to its first PAC- 12 Championship in 20 years.  That year he was honored on the First Team All-PAC-12 and won the 2012 College World Series in Omaha!!  After his senior year he signed professionally with the Kansas City Royals where he plays First Base and Outfield.

Bobby looks forward to bringing his years of baseball knowledge to Frozen Ropes, he is a welcome addition to our staff.  He is also the Frozen Ropes 12U Travel Ball Head Coach.


John Dischiavo - Baseball Hitting/Pitching Instructor

John was born and raised in Las Vegas. From the ages of 5-14 he played ball in Central LL.

After Little League John attended Las Vegas H.S. & lettered in Varsity Baseball for 3 years. In his Junior & Senior years he was named to the 1st Team All Southern Nevada. Dischiavo also played in the Best of West Showcase and Area Code Games.

He was drafted in the 9th round of the 2000 Major League Baseball Draft by the Tampa Bay Devil Rays. John turned down many college offers and signed with Tampa Bay. He was then sent to Rookie Ball in Princeton West, Virginia. He played for 4 years in the Minors before being released by Tampa Bay. John struck out 100 batters while he was with the Tampa Bay organization.

John has other offers to play, but decided to retire due to injury. He turned to coaching where he taught young players at the LV Baseball Academy. He now hopes to help players in San Diego through Frozen Ropes and is a welcome addition to our staff.


Nick Mazza - Baseball Hitting Instructor

Nick grew up In Carbondale, PA where he started playing baseball at the age of 3. At age 9, Nick began playing baseball year round, training with former pro players.

He was a 4-year varsity baseball & basketball starter at Carbondale Area High School, where he also lettered in golf. His sophomore year he was voted 2nd team all Lackawanna League SS, while leading the league with a .525 batting avg. His junior year he was voted 1st team, while hitting .420. He finished his high school top 5-all time in every hitting category.

Mazza chose to play college baseball at Div II Bloomsburg University. His first two seasons, he started at six different positions. He batted .333 his junior year & .314 his senior year serving as an everyday outfielder. Nick finished his college career with a .316 batting average.

Nick graduated and moved to NY. The most rewarding experience for Nick was instructing children from the NY City Autism School in the game of baseball. He has learned that through patience & hard work that baseball is a game in which all children can succeed. He looks forward to bringing his passion for the game to Frozen Ropes.


Brian Ashwill - Baseball Hitting/Pitching Instructor

Brian is a graduate of Santana High School in Santee. While at Santana he played baseball all four years. He was the Captain and MVP for his Freshman and Junior Varsity teams. During his Junior year he was awarded First Team All-Academic honors.

In his Senior year Brian lead his team with a 1.76 ERA, 67 Innings Pitched, and 52 Strikeouts. He earned First Team All-League and First Team All-Academic honors. His team voted him Team MVP, CY Young Award, and Silver Slugger awards.

After High School, Brian attended Grossmont College. He played two years under head coach Randy Abshire. Brian split time between being a starting pitcher and relieving. After two years at Grossmont, Brian received a scholarship to Bluefield College in Virginia. He turned down the offer to stay in San Diego and pursue his degree.

Brian is majoring in Criminal Justice. He is looking forward to passing down knowledge that he gained over his years of playing to a younger generation, and is a welcome addition to our staff here at Frozen Ropes

David Aceron - Baseball/Softball Instructor

David started playing baseball the age of 3. He played Travel Baseball with the San Diego Stars. "Ace" was a Multi Sport Athlete at Madison High until his junior year when David transferred to Kearny High and focused on Baseball exclusively.

He was a First team All-League Section in his Junior and Senior year at Kearny.   He played his college ball at Southwestern College and San Diego City Colleges.

After college, Ace went to an Open tryout and signed with the Dodgers, and played with the Vero Beach Dodgers in Florida.

When his career ended, he joined the Military and served for 10 years, fighting the war in both Iraq and Afghanistan.

After serving his country, Ace moved on to coach High School and Travel Baseball Teams. He coached Varsity Softball for 2 years at Olympian High School in Chula Vista, and also Coached Travel Baseball with the San Diego Sharks.

He is currently an Assistant Varsity Baseball Coach at Poway High.  David is a welcome addition to our staff here at Frozen Ropes.


Curt Holcombe - General Manager/Owner

Curt was a 3 sport athlete at Serra High in San Diego.  Always a "team player" who would play any position to help his team win, he has been playing baseball for over 30 years and has participated in the local Adult Baseball League for over 15 years.

His coaching experience includes youth leagues in Basketball and Baseball in San Diego all the way to the High School Level.  He has worked for Nike, Sports Authority and other Baseball Training Facilities to hone his sports knowledge.  Curt also owned Sports Cards Stores locally and still has over 100,000 baseball cards.  You might even get a card for doing something good at Frozen Ropes (Hulky loves to give away cards).

He currently resides in Carlsbad with his wife Donna.  He has 5 children in total; Bobby 32, Katrina 30, Tawny 27, Brandie 22 and Jake 22.  Curt has a great love for sports and kids and is looking to make Frozen Ropes his new home for a long time.


Jake Holcombe - Baseball Instructor/Front Desk

Jake comes to us from Del Norte High in 4S Ranch where he was a 2 Year Varsity Pitcher.  His ERA as a Senior was 3.40 and he averaged more than a strikeout per inning.  Opponents hit only .182 against Jake over 2 seasons.  He also played 1st base for the Nighthawks.  The Nighthawks were Valley League Champions in 2011 and had a combined record of 34-26 from 2011 to 2012.  Jake was a 2 time Scholar Athlete while at Del Norte.  His final game as a Pitcher in High School was a 17-2 win in which he struck out 6 batters in 4 innings, gave up 0 earned runs and 2 hits.

Jake was also a member of the Del Norte Basketball team and scored 28 points in his last game as a senior.  He is currently a Junior at Cal State San Marcos.

He looks forward to working with the kids at Frozen Ropes and teaching them the fundamentals he learned through his 13 years of organized baseball.

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