Business First held a roundtable on the progress of Ohio's medical marijuana market on March 14 at Sparkspace in the Arena District. The panelists included: Andy Joseph, CEO, Apeks Supercritical/Ohio Grown Therapies; Justin Hunt, executive vice president, Grow Ohio Pharmaceuticals; Sandy Lynskey, attorney, Mac Murray & Shuster; Mark Hamlin, senior policy adviser, Ohio Department of Commerce; Douglas Berman, professor, Ohio State University.