25.9.2
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JD
Jonathan Duellman
2 Credentials
1 Issuer
Jonathan Duellman
January 23, 2025
December 31, 2026
7348533743
Certified Strength and Conditioning Specialist (CSCS)
Certified Strength and Conditioning Specialist (CSCS)
January 23, 2025
National Strength and Conditioning Association
Jonathan Duellman
December 31, 2020
June 23, 2016
7248048318
DO NOT USE - Certified Strength and Conditioning Specialist (CSCS)
DO NOT USE - Certified Strength and Conditioning Specialist (CSCS)
June 23, 2016
National Strength and Conditioning Association
warning
Expired
Expired credential.