Sol-Gel Technologies Ltd. announced the appointment of John M. Vieira as U.S. Head of Commercialization. Mr. Vieira brings nearly 25 years of pharmaceutical industry experience in commercial operations, regulatory affairs, sales and marketing, pricing strategy, reimbursement and business development within the healthcare and biopharmaceutical industries in the U.S with a focus on specialty dermatology products. He joins Sol-Gel Technologies from Leo Pharmaceuticals where he served in U.S. and Global Marketing roles.