

About Coach Clif Marshall
About Coach
Clif Marshall
Clif Marshall has spent the last two decades as an athletic performance coach training more than 500 professional athletes including several first-round NBA and NFL Draft picks, MLB All-Stars, Super Bowl MVPs, and the NFL Defensive Player of the Year Luke Kuechly. His clients have secured over $1.8 billion in pro contracts.
Marshall most recently spent eight seasons as the Director of Athletic Performance for the Indiana Hoosiers Men's Basketball Team. In 2023, Marshall trained Trayce Jackson-Davis and Jalen Hood-Schifino—both drafted into the NBA after standout seasons that helped Indiana earn a top-10 national ranking and a March Madness 4-seed. Jackson-Davis became a First-Team All-American and won the Karl Malone Award. Hood-Schifino was named Big Ten Freshman of the Year.
Clif began training college basketball players at Xavier University (2014–17) as a speed and agility coach. He also trained the University of Dayton in 2015, helping them win the Atlantic 10 Championship.
Clif Marshall has spent the last two decades as an athletic performance coach training more than 500 professional athletes including several first-round NBA and NFL Draft picks, MLB All-Stars, Super Bowl MVPs, and the NFL Defensive Player of the Year Luke Kuechly. His clients have secured over $1.8 billion in pro contracts.
Marshall most recently spent eight seasons as the Director of Athletic Performance for the Indiana Hoosiers Men's Basketball Team. In 2023, Marshall trained Trayce Jackson-Davis and Jalen Hood-Schifino—both drafted into the NBA after standout seasons that helped Indiana earn a top-10 national ranking and a March Madness 4-seed. Jackson-Davis became a First-Team All-American and won the Karl Malone Award. Hood-Schifino was named Big Ten Freshman of the Year.
Clif began training college basketball players at Xavier University (2014–17) as a speed and agility coach. He also trained the University of Dayton in 2015, helping them win the Atlantic 10 Championship.


Prior to Indiana Coach Marshall spent 10 years as the Performance Director at Ignition Athletics in Cincinnati Ohio. Ignition has trained more than 10,000 athletes. Their program has produced over 50 NFL Combine Top Performers and athletes with record-setting results. He has trained players from all 32 NFL teams, and the Ignition facility was ranked top-5 in the nation by draftdaddy.comfort prepping athletes for the Combine.
Clif served as a Fitness Ambassador for NFL in 2015 and 2016, contributing training articles to NFL.com and workout video content for NFL Network. Marshall worked with the Cincinnati Bengals as a strength and conditioning assistant and consultant from 2007–17, during which the team won four AFC North titles.
He began his career at the University of Louisville Football Program from 2002–05, where the 2004 team finished 11-1 and ranked No. 6 nationally.
His work has been featured in Muscle and Fitness, ESPN, USA Today, and the documentary Late Rounders, which followed four of his NFL Draft clients. In 2025 Clif was featured as the athletic performance coach for celebrity influencer and YouTuber IShowSpeed in a featured film called “Speed Goes Pro”. Clif prepared IShowSpeed for a football workout against Tom Brady and basketball workout against Kevin Durant. The film was aired to IShowSpeed’s 100+ million followers on social media.
Marshall holds a Bachelor’s in Exercise Science & Sports Medicine and a Master’s in Teaching Physical Education from Louisville. He is a Certified Strength and Conditioning Specialist (CSCS), a USA Weightlifting Club Coach, and was named a National Strength Coach with Distinction by the NSCA in 2019 and was a featured speaker at the NCAA Final Four Strength and Conditioning Coaches Clinic in 2021.
Coach Marshall is married and has two children. He active in Christian non-profit organizations including Focus Ministries, Fellowship of Christian Athletes, The Lord’s Gym and Athletes in Action.
Prior to Indiana Coach Marshall spent 10 years as the Performance Director at Ignition Athletics in Cincinnati Ohio. Ignition has trained more than 10,000 athletes. Their program has produced over 50 NFL Combine Top Performers and athletes with record-setting results. He has trained players from all 32 NFL teams, and the Ignition facility was ranked top-5 in the nation by draftdaddy.comfort prepping athletes for the Combine.
Clif served as a Fitness Ambassador for NFL in 2015 and 2016, contributing training articles to NFL.com and workout video content for NFL Network. Marshall worked with the Cincinnati Bengals as a strength and conditioning assistant and consultant from 2007–17, during which the team won four AFC North titles.
He began his career at the University of Louisville Football Program from 2002–05, where the 2004 team finished 11-1 and ranked No. 6 nationally.
His work has been featured in Muscle and Fitness, ESPN, USA Today, and the documentary Late Rounders, which followed four of his NFL Draft clients. In 2025 Clif was featured as the athletic performance coach for celebrity influencer and YouTuber IShowSpeed in a featured film called “Speed Goes Pro”. Clif prepared IShowSpeed for a football workout against Tom Brady and basketball workout against Kevin Durant. The film was aired to IShowSpeed’s 100+ million followers on social media.
Marshall holds a Bachelor’s in Exercise Science & Sports Medicine and a Master’s in Teaching Physical Education from Louisville. He is a Certified Strength and Conditioning Specialist (CSCS), a USA Weightlifting Club Coach, and was named a National Strength Coach with Distinction by the NSCA in 2019 and was a featured speaker at the NCAA Final Four Strength and Conditioning Coaches Clinic in 2021.
Coach Marshall is married and has two children. He active in Christian non-profit organizations including Focus Ministries, Fellowship of Christian Athletes, The Lord’s Gym and Athletes in Action.
Coach clif is nationally Recognized for shaping athletes in the most competitive leagues and conferences.
Coach clif is nationally Recognized for shaping athletes in the most competitive leagues and conferences.
A Faith Based Athletic Performance Training Program Located In Indianapolis & Bloomington.
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A Faith Based Athletic Performance Training Program Located In Indianapolis & Bloomington.
Want to stay up to date with coach clif?
Drop your email down below and I'll make sure to keep you in the loop with everything going on with our training!
Under Four Creative
A Faith Based Athletic Performance Training Program Located In Indianapolis & Bloomington.
Want to stay up to date with coach clif?
Drop your email down below and I'll make sure to keep you in the loop with everything going on with our training!
Under Four Creative