Ethan Jansen is an NFL Players Association (NFLPA) Certified Contract Advisor and sports agent with Siegen Sports LLC, a Minnesota-based sports management firm that represents professional football players. As a certified contract advisor, he works with NFL athletes on contract negotiations, draft preparation, free agency, and long-term career planning, helping clients navigate the business side of professional football through personalized representation. At Siegen Sports, Jansen is part of a collaborative agency that emphasizes relationship-driven representation and individualized service. The firm provides comprehensive support beyond contract negotiations, including marketing guidance, brand development, financial planning coordination, and post-playing career preparation. Working within this full-service model allows him to assist athletes with both their immediate professional objectives and their long-term personal and financial goals. Jansen has been involved in representing NFL talent, including Pittsburgh Steelers long snapper Christian Kuntz, demonstrating his active role in managing professional football careers and negotiating player opportunities. His work focuses on maintaining close relationships with clients while providing strategic guidance through every stage of an athlete's career, from entering the league to securing veteran contracts and planning for life beyond football.