Dan Aja

Field Medical Team Lead- AIR at Chiesi Group

Dan Aja is an experienced professional in the pharmaceutical industry, having held various leadership roles focused on medical affairs and scientific liaison activities. Aja served as Field Medical Team Lead- AIR and Executive Medical Science Liaison at Chiesi Group from August 2024 to April 2025, and as Director of Medical Affairs at Moderna from November 2021 to December 2024. Prior experience includes Manager of Medical Science Liaison at Ashfield, part of UDG Healthcare plc, and Senior Director of MSLs at Tricida Pharmaceutical. Aja's tenure at Circassia from May 2015 to June 2020 involved acting as a liaison within the medical and scientific community and leading initiatives in the COPD therapeutic area. Aja holds a pharmacy degree from the University of Connecticut and has completed MBA studies at Nichols College.

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Chiesi Group

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Chiesi is an international company originated in Parma, with 85 years of experience and a strong focus on research, development, production and commercialization of innovative therapeutic solutions in the Respiratory, Neonatology, Rare Diseases and Special Care Therapeutic Areas


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Headquarters

Parma, Italy

Employees

5,001-10,000

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