Mark Bailey is an NFLPA-certified Contract Advisor and the founder of 1st Down Sports, a football-focused athlete representation and branding agency. He has been certified by the National Football League Players Association (NFLPA) since 2019 and represents professional football players in contract negotiations, endorsements, marketing initiatives, and career development. According to the NFLPA directory, Bailey has negotiated multiple NFL player contracts and operates from Montgomery, Alabama. Before entering athlete representation, Bailey worked as a college football coach and developed extensive experience in marketing and sales, including work with billion-dollar consumer brands. This combination of football and business experience has shaped his approach to athlete representation, with a strong emphasis on personal branding and long-term career development. As the leader of 1st Down Sports, Bailey oversees services that include professional contract negotiations, endorsement sourcing, NFL Draft preparation, public relations, NIL marketing representation, and personal brand strategy. The agency's stated mission focuses on maximizing athlete value through customized career planning, brand development, and post-football career preparation.