Aclaris Therapeutics, Inc.

Co-Founder, Chief Executive Officer & Chairman

Chief Financial Officer

President, Chief Operating Officer & Director

General Counsel & Corporate Secretary

Executive Vice President of Project Leadership

Senior Vice President of Chemistry

Senior Vice President of Finance

Senior Vice President of Clinical Operations

Senior Vice President of Corporate Communications & Investor Relations

Chief Business Officer

Chief Medical Officer

Chief Scientific Officer

Senior VP, Head of Discovery & Preclinical Sciences