GHSA Baseball Umpire Development
Camp Guest Instructors


Marvin Hudson

Marvin became a full-time Major League in 1999. But his life in baseball started long before that. A 1982 graduate of Marietta high school. Marvin attended Piedmont College in Demorest, GA to continue his baseball playing career as a catcher. After graduating in 1986 with a degree in Business Administration, after college, Marvin made the decision to attend the Brinkman/Froemming Umpire School in Florida. After his graduation from umpire school, his path through the minor leagues began in the Appalachian League. From there, he moved to the South Atlantic League, Florida Instructional League, Florida State League in 1994, Hawaiian Winter League and Southern League in 95 and 96, ultimately advancing to Triple-As International League in 1997.  While in Triple-A, Marvin was hired full-time by Major League Baseball in 1999. During his time in the Major Leagues, Marvin has acquired quite a few accolades and post-season assignments. He worked the 2004 All-Star Game, the (2009, 2013) World Baseball Classic. 7 Division Series, 2 League Championship Series, and 2 World Series in (2016, 2020). Some of Marvin’s other projects off the field are his company, Hudson 51 Official Wear, and, “Blue for Kids Foundation” which is now part of UMPS CARE.


Dan Iassogna

Has been a full-time member of the Major League staff since 2004…was named one of the umpires for the 2011 All-Star Game in Arizona, working third base…has worked the Wild Card Game (2013-14) and 2015 (Replay); the Wild Card Series (2020); the Division Series (2005, 07, 09, 11-12, 17); the League Championship Series (2010, 13-15, 20); and the 2012 and 2017 World Series…was one of the umpires who represented Major League Baseball during the 2006 Japan All-Star Series…worked the Toronto round of the 2009 World Baseball Classic, as well as the 2017 WBC…worked his first Major League game on August 20, 1999 and worked American and National League games that year…previously umpired in the New York Penn League (1992-93), South Atlantic League (1994), Carolina League (1995), Texas League (1996-97) and International League (1998-2003).


Carlos Torres

Carlos is a native of Venezuela and began umpiring professional baseball in 2009 starting in the Gulf Coast League, then moving to the New York-Penn League, South Atlantic League, Carolina League, Southern League in 2012 and the Triple-A International League in 2013. Carlos made his Major League debut in July 2015, umpiring at second base in Cincinnati. This making Carlos only the second Venezuelan to work an MLB game. Carlos was added to the full-time MLB umpiring staff for the 2017 season.  During his career Carlos as umpired the 2017 qualifying rounds of the World Baseball Classic and in 2019, Carlos received his first postseason assignment, working right field in the National League Wild Card Game.


Jay Pierce

Jay Pierce

Jay joined MiLB Umpire Development in 2014 to observe, instruct and evaluate Minor League Baseball umpires. Prior to joining MiLB Umpire Development as a Field Evaluator/Instructor, Jay umpired the Gulf Coast, Appalachian, South Atlantic, Carolina, Eastern, and Southern Leagues. Jay has served as a professional umpire school instructor as well as instructing at various umpire camps and clinics throughout the country.

Jay attended Young Harris College where he studied history and recreation. He currently resides in Monroe, Georgia, with his wife, Lindsey.


Brennan Miller

Brennan is a 2013 graduate of the Minor League Umpire Training Academy, where he is also an instructor. Brennan started his professional career in the New York-Penn League, then moving to the Florida Instructional League, Florida State League, Arizona Instructional League, Southern League, Arizona Fall League and International League. In 2016 Brennan was chosen by Minor League Baseball to work the MLB Futures Game Home Run Derby is San Diego, California. Brennan is currently earning his bachelor’s degree in physical education from George Mason University. During the off-season Brennen is also a fitness instructor at Orange Theory Fitness. He makes his home in Fairfax Station, VA


Reed Basner

Reed is a 2015 graduate of the Wendelstedt School where he also is a lead instructor. Reed started his professional career in the Gulf Coast League the same year. Moving through the New-York Penn, South Atlantic and Carolina League. Reed is currently in his second year in the Double-A, Southern League.


Casey James

Casey is a 2018 graduate of the Wendelstedt school. While at school Casey was awarded the schools Top Student Award. That same year Casey was hired by Minor League Baseball and assigned to the Gulf Coast League. He was then promoted to the Pioneer League that same year. Casey was awarded the opportunity to work the Pioneer League Championship Series at the end of the 2019 season. Casey also works for Southern Collegiate Umpires where he works Non-conference Division-I.    


Adam Beck

Adam Beck

Adam serves in a variety of roles at the MiLB Umpire Training Academy. His passion and professionalism towards umpiring is an asset as he instructs and encourages students attending the Umpire Training Academy. As a former graduate of the Umpire Training Academy, Adam will be able to share insight and knowledge to help students grasp and understand what is expected from the MiLB Umpire Development system. His knowledge of the rules and current mechanics, coupled with his experience as a current Minor League Baseball umpire, will benefit students in the classroom as well as on the field.

During the season, Adam travels around the country working as a professional umpire for Minor League Baseball. Adam has umpired Extended Spring Training in Florida, the Appalachian League, the South Atlantic League, the Carolina League, Arizona Instructional League, the Southern League, and the International League. In addition to his professional umpiring experience, Adam attended the University of Central Florida where he studied Business Administration.

While away from umpiring, Adam enjoys attending sporting events, concerts and being outdoors. Adam is a native of Winter Springs, Florida, where he currently resides.


Ryan Clark

Ryan began umpiring with NEGOA while attending college here in Athens. After college, Ryan attended the Harry Wendelstedt Umpire School in 2009, and was hired into Minor  League Baseball the same year. During his 10-year career Ryan worked 4 All-Star Games, 2 Championship Series, Several MLB Spring Training games and was a Crew Chief during his time in Triple-A. Ryan joined the college ranks with Southern Collegiate in 2010 on a limited basis while working in professional baseball. But  after his professional career; Ryan was quickly hired by the Southern Conference, C-USA, and to the ACC Full-Time staff in 2019. Ryan resides in McDonough, GA with his fiancé Christine


Jason Bradley

Jason graduated from Harry Wendelstedt Umpire School in 2002 at the top of his class and embarked on a 10 year career in the Minor Leagues reaching AAA, Dominican Winter League. Jason has worked as an evaluator for Minor League Baseball since 2012. Jason continues to Umpire at the Collegiate Level working in the SEC and Sun Belt Conferences. He has worked 4 NCAA regionals and worked numerous conference tournaments CCA, Southern Conference, Atlantic Sun, Sun Belt and SEC tournaments respectively.


Jeremy Dupree

Jeremy begin his umpire career with Muiti-County Umpires in 2003. In 2005 he was selected by  Southern Collegiate Umpires and quickly rose through the ranks of college baseball.  During his time, he has worked 4 junior college conference tournaments. 2 Junior college regionals, and 2 Junior College World Series (2012, 2013). In addition to a combined 8 Division II, III, and NAIA; Regional, Conference and National Tournaments. Jeremy’s career continued to progress when he was hired by the Southern Conference in 2012, Atlantic Sun in 2013, the Sun Belt and ACC in 2015. Ultimately being hired by the SEC in 2018. Jeremy, resides in Loganville, Ga. with his wife Brittany.


Will Prestwood

Will began umpiring in 2006, joining Houston Co. Sports Officials Association. While there he worked a combined 6 GISA and GHSA state championships. He then joined Southern Colligate Umpires Association 2009. During his time with Southern Collegiate, Will has worked 4 Georgia Junior College state tournaments, 1 Junior College Region tournament, 2 Peach Belt Conference Tournaments, 1 D-III Regional, and 2 NAIA World Series (2018, 2019) Will was hired to the Southern Conference staff in 2015, Big South staff in 2018, Conference USA staff 2019, ACC staff in 2021. Will lives in Gray Ga, with his wife Molly and their 3 kids.


Mitch Schwark

Mitch Schwark

Mitch graduated from Wendelstedt Umpire School in 1990 and worked the Gulf Coast League from 1990 to 1991. He moved up to the Single A South Atlantic League in 1992 and the Carolina League in 1993. In 1994, Mitch was promoted to the Double A Eastern League where he worked for the next three years. In 1997 he advanced to Triple A in the American Association and worked there for two seasons.

Mitch has worked college baseball since 2012 including a season in the SEC in 2017. He is currently the Director of Umpires for the Sunbelt League of the NACSB.

Mitch currently lives in Lawrenceville with his wife of 25 years, Adriana and has a son and a daughter both at UGA.


Josh Gilreath

Josh began umpiring in 2005 joined NEGOA 2012 while attending college at the UGA. During his time with NEGOA Josh has worked 3 playoff series and State Semi-Finals. In 2016 Josh attended the Wendelstedt Umpire School. After Umpire school, Josh was assigned to the Coastal Plains League, and in that same year was hired into professional baseball working in the Gulf Cost League. Josh was then promoted to the Appalachian League, South Atlantic League and is currently in the Advanced A, Carolina League