Breadcrumb Lifespan Home William Schumann, CPO Copy URL to Clipboard URL COPIED! Print William Schumann, CPO Cranial Remolding Specialist William Schumann, CPO is a board-certified orthotist/prosthetist/orthotist with 50 years of experience in infant cranial remodeling. Schumann is a cranial remolding specialist, Northeast Orthotics and Prosthetics, Inc., Providence, RI.