Contents hide A Life on the Mats: Who was Claudinho Koeb? A Tragic Day at Gracie Barra Heart Health Concerns in Combat Sports Keeping Claudinho’s Spirit Alive A Life on the Mats: Who was Claudinho Koeb? The viral headline about the BJJ instructor found dead doesn’t convey the depth of Claudio Koeb’s life. In the … Continue reading Beloved Gracie Barra BJJ Instructor Found Dead at 58 After Teaching Class