Matt is a Doping Control Officer (DCO) with Drug Free Sport international, and he shares a candid account of what it’s like to be a DCO. He discusses unexpected occurrences during doping control missions, the behind-the-scenes roles and responsibilities of DCOs working in the field, the rigorous training process required to become a DCO, the variety of challenges he faces in collecting and protecting the integrity of samples, improvements in doping control processes and technology over time, and more!