Guardion Health Sciences Announces Appointment of Craig J. Sheehan as Chief Commercial Officer Proven Leader of Viactiv Brand to Oversee Ramp Up and Commercial Activities at Guardion Guardion Health Sciences, Inc. San Diego, California, UNITED STATES SAN DIEGO, June 03, 2021 (GLOBE NEWSWIRE) -- Guardion Health Sciences, Inc. (Nasdaq: GHSI) (“Guardion” or the “Company”), a clinical nutrition and diagnostics company that develops clinically supported nutrition, supplements, medical foods and medical devices, today announced the appointment of Craig J. Sheehan as its Chief Commercial Officer. Mr. Sheehan joins Guardion following the Company’s recent acquisition of Activ Nutritional. Mr. Sheehan was the senior executive responsible for the Viactiv brand as a member of the executive leadership team of Adare Pharmaceuticals for the last four years. Prior to that position, Mr. Sheehan served in key marketing leadership positions at Church & Dwight, where he drove growth of iconic, science-backed brands such as Arm & Hammer®, First Response®, OxiClean®, and Vitafusion®.