Donald Achnick, often referenced as Donnie Achnick is a Brazilian jiu jitsu black belt under Lloyd Irvin, being also one of Team Lloyd Irvin's (TLI) foremost representatives, a status earned as a result of his work with the kids program of the well known academy. Through his role as Program Director of Youth Activities at TLI, Achnick played a fundamental part in the development of many world class grapplers, including names such as Jamill Hill-Taylor, Aarae Alexandre, Angelo Claiborne and Malachi Edmond.