Before becoming President/Owner, Marker spent 16 years building U.S. Baseball Academy into the nation’s largest network of baseball camps; first as Director of Operations and then as Vice President. Marker has founded clinics across the country and worked in the baseball camp industry at every level for more than three decades.

Prior to coming to US Baseball Academy, Marker owned and operated Varsity Sports, conducting camps for the likes of former Major League stars such as Hall of Fame inductee Barry Larkin, 5-time World Champion Paul O’Neill, Tom Browning, who pitched the 12th perfect game in Major League history in 1988, Cy Young winner Brandon Webb, Rolaids relief winner Jeff Shaw, and World Series Champion Hal Morris.

Marker brings with him more than 30 years of baseball coaching experience from high school to the professional level. Marker had coaching stints in high school at St. Henry, Russia and Greenville, American Legion and Connie Mack in Greenville, and summer collegiate at Grand Lake Mariners and Dayton Docs. He also scouted professionally for the Cincinnati Reds and New York Yankees.

During his career, Marker has amassed more than 850 wins as a head coach, including 18 league titles, 12 district championships, 9 regional berths and 1 State Championship. Marker has sent 156 former players on to play college baseball at the NCAA Division I level. Twenty three of those players have been drafted professionally including five players that made it to the “big leagues.” Those players include Travis Miller (Minnesota Twins), Pete Rose Jr. (Cincinnati Reds), current MLB players: Adam Eaton (Washington Nationals), Travis Shaw (Milwaukee Brewers), and Jared Hoying (Texas Rangers).

A native of Kenton, Ohio and graduate of Indian Lake HS, Marker currently resides in Columbus, Ohio with his wife Angie. They have five children; Jason 37, Lindsay 34, Jordan 30, Cale 27, and Heath 22 and seven grandsons: Will, Brenden, Logan, Finnegan, Declan, Forrest and Crew.

Matt Tyner has coordinated camps for U.S. Baseball Academy as a site director and lead instructor for more than a decade and is now our Lead College Coach Advisor.  Tyner will anchor the College Coaches Advisory Board and stand as a resource for any potential college coach that wants to host a US Baseball Academy camp.  He will share his knowledge of the US Baseball Academy system with potential site director’s and provide input on program development.

Tyner tour with US Baseball started first as the Site Director for Butler University (at the time the largest D1 camp), before moving on and running our program as the head coach of Bellarmine University (at the time the largest D2 camp), a place where he led the school to its first GLVC championship in more than 20 years in just his second season.

Last year, Tyner became the head coach for Division I Towson University where he continues to run a USBA camp, in addition to his new work behind the scenes. He came to Towson after spending the previous four seasons as the assistant coach and recruiting coordinator at the University of Richmond. In his tenure as the team’s hitting coach, the Spiders ranked at or near the top of the Atlantic 10 in several offensive categories.

A highly successful collegiate player in his own right, Tyner was a four-year starter for the University of Miami, where he helped lead the Hurricanes to three College World Series. A power hitting outfielder, Tyner was named the 1980 Baskin Robbins Player of the Year and tied the Miami home run record.

Tyner was selected by the Baltimore Orioles in the ninth round of the 1980 Major League Baseball Draft. He spent three years in the Orioles system, leading the entire organization in home runs in 1981 with 33, while hitting .301. His professional career came to a halt in 1983 after multiple surgeries for bone chips in his right elbow.

A native of Decatur, Illinois, Tyner completed his bachelor’s degree in business communications at Concordia University’s Indianapolis campus.

Adam Eaton graduated from Kenton Ridge High School in Springfield, OH. He attended Miami University on a college baseball scholarship while also playing for the Miami RedHawks Baseball team in the Mid-American Conference. Eaton was drafted by the Arizona Diamondbacks in the 19th round of the 2010 Major League Baseball Draft, with the 571st overall selection. In 2010 and 2011, Eaton had a .340 batting average with the Diamondbacks’ minor league affiliates. Eaton was named a Pioneer League All-Star outfielder in 2010, and a California League All-Star in 2011. In 2011, he batted .318 with 145 hits and 72 walks, good for a .434 OBP, which was the fourth best OBP in minor league baseball. Adam made his MLB debut in 2012 with the Arizona Diamondbacks, and played with them through the 2013 season. On December 10, 2013, the Diamondbacks traded Eaton to the Chicago White Sox. He currently plays centerfield for the Washington Nationals and has been with them since 2016.

Travis Shaw was born and raised in the city of Washington Court House, Ohio, and attended Washington High School. He played college baseball at Kent State University in Kent, Ohio. He batted a .307 average with a Mid-American Conference-leading 14 home runs while playing 62 games for the Golden Flashes in 2011. He also slugged .553 and collected 51 runs batted in, being named to the first team All-MAC in 2011 and the second team in 2010. Shaw also played in the Cape Cod Baseball League for the Bourne Braves. The Red Sox selected Shaw in the ninth round of the 2011 MLB draft. On July 7, 2015, Shaw was called up from Triple A Pawtucket and recorded his first major league hit. Shaw eventually went 3 for 4 on the night with a run scored. On December 6, 2016, the Red Sox traded Shaw to the Milwaukee Brewers. On April 3, 2017, Shaw was the starting third basemen, making his Brewers debut on Opening Day against the Colorado Rockies. He went 2-4, hitting two doubles, including an RBI double. His father, Jeff, is a former two-time All-Star pitcher who played for six major league teams.

Craig Stammen attended the University of Dayton, where he made 60 pitching appearances over three seasons, as well as pitching in the Great Lakes Summer Collegiate League in 2004. He was an Atlantic 10 Conference Academic All-Conference pick in 2005, and was selected by the Washington Nationals in the twelfth round of the 2005 Major League Baseball Draft. Stammen was assigned to the Vermont Expos of the short-season Single-A New York–Penn League where he made seven starts and six relief appearances, accruing an ERA of 4.06 while striking out 32 batters and allowing 12 walks and 62 hits over 51 innings. He started off the year in 2008 with the Triple-A Syracuse Chiefs, going 4–2 with a 1.80 ERA, and was called up to the major leagues on May 20, 2009. He had his first major league start May 21 versus the Pittsburgh Pirates. In December 2016, Stammen signed a minor league contract with the San Diego Padres, and on March 30, 2017, he was added to the Padres’ 25-man active roster, where he joined the team as a reliever. He pitched 1.0 innings on April 3, his first major league appearance since April 14, 2015. He was effective throughout the season, posting an ERA of 3.15 in 80 1⁄3 innings. On January 7, 2018, he signed two-year contract with the Padres.

Yonder Alonso attended Coral Gables High School in Coral Gables, Florida, and was selected by the Minnesota Twins in the 16th round of the 2005 Major League Baseball draft. He did not sign, choosing instead to play college baseball at the University of Miami. In 2008, Alonso was drafted with the seventh overall pick by the Cincinnati Reds. On September 1, 2010, he was called up by the Reds from the Triple-A Louisville Bats, and made his major league debut that same day. On December 17, 2011, Alonso was traded to the San Diego Padres. He played 155 games for the Padres in 2012, including 144 starts at first base, and posted a batting line of .273/.348/.393 with 9 home runs. He set a Padres franchise record with 39 doubles as a rookie. In 2015, he was traded to The Oakland A’s where he hit a career high 20 home runs and played in the 2017 MLB All-Star Game. Alonso currently plays for the Cleveland Indians.

Jeff Shaw started his baseball career at Washington Senior High School, located in Washington Court House, Ohio. While he was enrolled at the University of Rio Grande, he attended a tryout camp for the Cincinnati Reds during the summer of 1985, where he received little attention. He and his mother then drove to Columbus, Ohio to try out with the New York Yankees at the home field of New York’s Class AAA affiliate, the Columbus Clippers. He drew the interest of scouts by upping the speed on his fastball from 84-85 to 93 mph while he played in a semipro league in Washington Court House. Shaw played for Cuyahoga Community College-West, but transferred to Cuyahoga Community College to be eligible for the draft. Shaw was the first overall pick of the 1986 January amateur draft, signing on May 11, 1986, and began his career with the Cleveland Indians in 1990. After years of middle relief, Shaw moved to the Cincinnati Reds and became one of the game’s best closers in 1997, closing 42 games. He began the ’98 season with the Reds before being traded to the Dodgers. He saved 48 games total in ’98 and went on to save 104 games over his last three seasons with the Dodgers. For his career, he saved 203 games with an earned run average of 3.55, becoming an All-Star in ’98 and ’01. Jeff currently serves as the varsity pitching coach at his alma mater, Washington High School.

Brandon Webb was born in Ashland, Kentucky, and played baseball as a pitcher at the University of Kentucky. Webb was drafted by the Diamondbacks in the 8th round of the 2000 Major League Baseball draft. He pitched in Major League Baseball (MLB) for the Arizona Diamondbacks from 2003 through 2009. Webb was a three-time MLB All-Star. He won the Cy Young award in 2006 and was runner-up in 2005 and 2007. In 2005, he established Brandon Webb’s K Foundation, a charity that aims to “improve the lives of critically and chronically ill children throughout Arizona by providing daily support and life changing experiences. In 2009 he was named #31 on the Sporting News’ list of the 50 greatest current players in baseball. A series of shoulder injuries sidelined him for much of 2009-2012, and on February 4, 2013, Webb officially retired from Major League Baseball. He is currently a FOX Sports Arizona Pre and Postgame Show Analyst for the Arizona Diamondbacks.

Darnell Coles was a four-sport letterman and three time baseball MVP at Eisenhower High School in Rialto, California. On June 3, 1980, Coles was drafted as the sixth pick by the Seattle Mariners in the first round of the 1980 Major League Baseball Amateur Draft. He turned down both a baseball scholarship and a football scholarship to UCLA to sign with the Mariners. In 1986, he hit a career-high 20 home runs for the Detroit Tigers. He batted .245 with 75 HR and 368 RBI in 957 career games and was a member of the 1993 world champion Toronto Blue Jays. Coles is one of only 15 players ever, including Babe Ruth, to hit three homers in a game in both the National League (1987 Pirates) and American League (1994 Blue Jays). In 2006, Coles was hired as the roving hitting instructor for the Washington Nationals organization. He was the manager of the Vermont Lake Monsters in 2007, and manager of the Class A Hagerstown Suns in 2008. By the end of that year, he was named the hitting coach for the Nationals Triple-A affiliate, the Syracuse Chiefs. On October 10, 2013, Coles was selected to manage the Milwaukee Brewers Triple-A affiliate, the Nashville Sounds, after previously managing the organization’s Double-A Huntsville Stars from 2012 to 2013. However, on November 25, the Detroit Tigers announced the hiring of Coles as assistant hitting coach. Coles is currently the hitting coach for the Milwaukee Brewers, and has been with them since 2014.

Paul O’Neill broke into the major leagues with the Cincinnati Reds in 1985. He was a member of their 1990 World Championship team. However, the strongest points in his career came as a member of the New York Yankees, winning the ’96 World Series and three straight championships with the team in ’98, ’99, 2000. In nine seasons with the Yankees, he hit 185 homeruns and 858 RBIs while hitting over .300 six times. In 2009, O’Neill was inducted into the Irish American Baseball Hall of Fame. O’Neill now serves as an analyst on the New York Yankees Pre-Game Show and the New York Yankees Post-Game Show, as well as a color commentator for the YES Network.

Rob Dibble is a graduate of Southington High School in Southington, Connecticut, and was drafted by the Cincinnati Reds in the first round of the 1983 amateur draft. He made his debut with the Reds on June 29, 1988 and was one of the most dominant pitchers during his brief major league career. He was one third of the trio known as the “Nasty Boys,” winning the MVP of the World Series with the Cincinnati Reds in 1990. He played just seven seasons because of injuries, five with the Reds and one each with the Milwaukee Brewers and Chicago White Sox. For his career he saved 89 games with a 2.89 earned run average. Rob was a member of the National League All-Star team in 1990 and ’91. In 2014, Rob Dibble became the host of the “The Rob Dibble Show”, a sports talk show on WUCS 97.9 FM and WAVZ 1300 AM on the ESPN stations, in Hartford and New Haven, CT.