“…Clinical Pharmacology and Therapeutics ( CPT ) has adopted DEI as core guiding principles in our field 1,2 . Building upon CPT 's mini‐themes on the topic in October 2021 1 and August 2022 2 and based on positive feedback from our readers and authors, the current issue was designed to showcase the core role of clinical pharmacology in elucidating and harnessing diversity in disease biology and pharmacologic response to enable safe and effective use of therapeutic innovations in all patients ( Figure ). In this special issue, we highlight the need to enhance diversity and inclusion throughout the clinical development process, including racial and ethnic diversity and diversity in geographical location, disease diagnosis, and demographic factors such as age and gender.…”