Wesana Health Holdings Inc. announced the expansion of its executive leadership team with the hire of Mark Wingertzahn, PhD, as Chief Scientific Officer. In this role, Dr. Wingertzahn will be responsible for leading Wesana’s scientific research and drug development, as well as tactical implementation of Wesana’s nonclinical programs and regulatory strategy. In his previous roles, Dr. Wingertzahn led Global Clinical Development, Toxicology, Preclinical Medicine and Drug Safety teams for drug development and approval in every major worldwide market. He led the Medical and Scientific Affairs and Clinical Development teams at both GSK and Pfizer and successfully gained regulatory approval for five products across three first-in-class indications. Dr. Wingertzahn is an Instructor of Pediatrics at NYU (Medicine) and Associate Professor of Life Sciences & Allied Health at the NY Institute of Technology College of Osteopathic Medicine.