Posted May 19, 2026
Definium Therapeutics is a late-stage clinical biopharmaceutical and our mission is to forge a new era of psychiatry by applying scientific rigor to psychedelics, with the goal of developing accessible treatments that unlock healing at scale. Our lead product candidate, lysergide tartrate (our proprietary orally disintegrating tablet form of lysergide (LSD) D-tartrate), represents a highly differentiated, potential best-in-class opportunity for patients suffering from generalized anxiety, major depressive disorder, and posttraumatic stress disorder. Our early stage pipeline includes DT402, the R-enantiomer of MDMA and is under development to target the core symptoms of autism spectrum disorder (ASD), specifically addressing social communication challenges. Guided by the recognition that patients deserve more than better, Definium is relentlessly advancing a new generation of therapeutics intended to address the underlying causes of psychiatric and neurological disorders. By turning evidence into impact, Definium aims to change the trajectory of today’s mental health care crisis and enable a healthier future. Headquartered in New York, Definium Therapeutics trades on Nasdaq under the symbol DFTX. Together we are moving psychiatry forward—beyond better, into a boundless future. Join us! The Associate Director, Clinical Development plays a key role in the design and execution of ongoing and new clinical development studies. This position serves as the clinical science representative on one or more U.S. and/or global clinical studies and contributes to the delivery of high‑quality clinical data to support registration and launch. The role partners cross‑functionally with Clinical Operations, Clinical Pharmacology, Regulatory Affairs, Early Development, Medical Affairs, Commercial, and external vendors.
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Other Skills & Requirements
The starting base pay range for this position is $169,814.00 - $192,241.00. Compensation will be determined based on several factors including, but not limited to, skill set, years of experience, and the employee’s geographic location. Employees in this role may be entitled to additional compensation, including bonus and equity. Benefits information is listed on our Jobs Page. The Company provides competitive benefits to employees including:
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