Jaclyn Whitaker Mastin currently serves as the Director of ESG Programs at RE Tech Advisors, a position held since May 2023. Prior to this role, Jaclyn was employed at the International WELL Building Institute from July 2014 to May 2023, where responsibilities included serving as Senior Vice President; Commercial, leading the WELL Coaching customer support model, and managing a team focused on project solutions and client satisfaction. Key accomplishments included spearheading the global localization effort for WELL across over 45 countries, developing partnerships to promote the WELL movement, and launching the WELL Enterprise Provider Program. Previous experience involved roles as Senior Director of Technical Programs and Support and Director of Project Management at IWBI and Director of Sustainability at HLW International LLP, emphasizing sustainable construction practices. Jaclyn's educational background includes a Bachelor of Architecture from the University of Kentucky.