Jill Costanza

Assistant Strength & Conditioning/Director of Sports Science, Detroit Lions (DET).

Quick Facts

• Role: Assistant Strength & Conditioning/Director of Sports Science
• Team: Detroit Lions (DET)
• NFL experience: Not listed
• Reports to: Dan Campbell (Head Coach)
• Coaching tree: see Coaching Trees

Background

Jill Costanza enters her fifth season with the Lions in 2025 as the team's director of sports science, while also working as an assistant strength and conditioning coach for the past four seasons. She is a certified strength and conditioning specialist by the National Strength and Conditioning Association (NSCA) and the Collegiate Strength and Conditioning Coaches Association (CSCCa).