Kevin Frank is a Certified Advanced Rolfer®, Rolf Movement™ Practitioner and Rolf Movement™ Instructor at RISI. He has worked with the Godard-derived Tonic Function Model since 1991 and has written on this topic from 1995 to the present. Kevin advocates for an “information system” view of structural integration to help bring this field of SI into congruence with modern understanding of motor control and perceptive/coordinative processes.