Greg Lois and Christian Sison present seminar on draft disability duration guidelines October 3, 2017 2448 × 2448 Greg Lois and Christian Sison present seminar on draft disability duration guidelines Explaining new “loss of earning power” factor. On october 2, 2017, Greg Lois and Christian Sison present seminar on draft disability duration guidelines. Lois LLCDefending Employers in New York, New Jersey, and Longshore.