Mark Collins - Head Coach

Coach Collins is in his fourth season as head baseball coach for Wheeler High School.  He has led the Wildcats to the state playoffs in his first three seasons.  He is a graduate of Morristown West High School in Morristown, Tennessee, where he played baseball for Hall of Fame Coach Brumley Greene. Coach Collins played one year at Walters State Community College and finished his career playing at Georgia College and State University in Milledgeville, Georgia where he was a career .320 hitter and voted team captain his senior year. After college, Coach Collins worked for the Atlanta Police Department where he received the Blue Star Medal (injured in the line of duty) from Mayor Bill Campbell and two commendations for drug enforcement from Garfield Hammonds, head of the DEA. Coach Collins spent 14 years as head baseball coach at South Cobb High School as well as serving as head fast pitch softball coach for six years. He was named Metro Coach of the Year by the Marietta Umpires Association in 2011 and 2016 Softball Coach of the Year by the Marietta Daily Journal.  He also began serving as Wheeler’s head softball coach during the 2019-2020 school year.


Coach Collins and his wife Janice have a son, David, who is the pitching coach at Pell City, Alabama, and a daughter, Becky, an assistant baseball and softball coach at Wheeler and medical student.

Parker Madden - Head Assistant Coach

Coach Madden is in his second year at Wheeler. He was a three-year varsity baseball and football letterman at Kell High School, where he was region baseball player of the year his senior year and an Atlanta Braves 400 Club award winner. He then attended Snead State Community College for two years where he started over 100 games in center field and received two Golden Glove awards.  After Snead State, he played second base, third base, and right field at the University of West Alabama, and graduated with a bachelor's degree in exercise science. He is obtaining his Master’s in Education at Georgia State University. He currently teaches at Wheeler and is a professional instructor at 643 DP Athletics. He also assists with Wheeler’s softball team. Parker and his wife Mackenzie reside in Kennesaw, Georgia.



Rebecca Collins - Assistant Coach

Becky Collins is a graduate of Emmanuel College where she played softball and was on academic and athletic scholarships. She graduated from South Cobb High School where she was first team all-region four years, first team All-Cobb County three years, and second team all-state. As a four year starter at catcher for Emmanuel, she was a freshman Academic All-American and was selected for the Division 2 World Series All-Tournament team.  This is her first season coaching baseball at Wheeler, where she will work with hitters and catchers. 

Keith Fitzgerald - Assistant Coach

Keith Fitzgerald is the Physical Education Specialist at Sedalia Park Elementary School.  He has been with the Cobb County School System for 17 years and also coaches for Wheeler’s softball program. A father of two, Keith has been coaching youth sports for 18 years.  This is his sixth season as part of the Wheeler Baseball program.  Coach Fitzgerald received his undergraduate from the University of Dayton and his Master’s from the University of Scranton.  He and his wife Liz have been married 25 years and have been active volunteers in various extra-curricular programs at Wheeler High School.  




Gary Lammie - Junior Varsity Coach

Gary Lammie is in his first season as coach of the junior varsity team. Born in Pennsylvania, he is a graduate of John F. Kennedy High School in Willingboro, New Jersey, where he played catcher for 3 years of varsity baseball. He also played two years of club baseball for the local community college and men's senior baseball at the over 20-30-40 levels. He has coached youth baseball for 25 years, including over nine years of managing and coaching travel baseball, and has served on the East Marietta National Little League Board of Directors for over ten years. He has been married to Patty Lammie for 20 years and has five children.