Sienna Biopharmaceuticals, Inc. announced the appointment of Caroline Van Hove as the company’s Chief Commercial Officer. Ms. Van Hove will develop, lead and have overall responsibility for Sienna’s commercial strategy and operations. Sienna currently has five clinical-stage programs in development from the Company’s Topical by Design and Topical Photoparticle Therapy platforms. Most recently, Ms. Van Hove served as senior vice president of international strategic marketing at Allergan.