Kerwin Esmond Clarke is an NFLPA-certified contract advisor and attorney affiliated with Herzog Law Office. According to the official NFLPA agent directory, he became certified in 2024 and is based in Champlain, New York, where he is authorized to represent NFL players in contract negotiations and endorsement matters under the NFL Collective Bargaining Agreement. In addition to his work as an NFL agent, Clarke is a licensed attorney in New York. Public attorney records identify him as practicing through Herzog Law Office, where he provides legal services alongside his athlete representation work. His legal background complements his role as a contract advisor, allowing him to assist athletes with the legal and business aspects of their professional careers. Clarke represents professional football players in matters including contract negotiations, endorsements, and career advisory services.