MannKind Corp - Company Profile

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MannKind Corp: Executives

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The following section provides information on MannKind Corp’s senior management, executives, CEO and key decision makers and their roles in the organization. For more insight into MannKind Corp's management and employees, unlock the full data with our company analytics monitoring tool.

Executives

James S. Shannon, M.D

Chairman Executive Board Since: 2020 Age: 69

Dr. Shannon has been the Chairman of the company since 2020. Prior to this, he served as the Chief Medical Officer at GlaxoSmithKline and as the Global Head of Pharma Development at Novartis AG. Previously, he served on the Boards at a number of companies, including Biotie, Circassia, Crucell, Endocyte and MannKind. Dr. Shannon also served as the Director at Cerimon Pharmaceuticals, where he held the position of the Interim Chief Executive Officer and President from 2009 to 2010.

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Michael E. Castagna

Chief Executive Officer; Director Executive Board Since: 2017 Age: 49

Mr. Michael E. Castagna has been the Chief Executive Officer and Director of the company since 2017. Prior to this, he served as the Vice President, Global Commercial Lead and Vice President, Global Lifecycle Management at Amgen Inc from 2014 to 2017. Previously, he served as the Executive Director of Bristol-Myers Squibb’s Immunology franchise; Vice President and Division Head for Biopharmaceuticals, North America at Sandoz (Novartis). Mr. Castagna also held various positions with EMD (Merck), Serono, Pharmasset and DuPont Pharmaceuticals.

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Christopher B. Prentiss

Chief Financial Officer Senior Management Since: 2024 Age: 50

Mr. Christopher B. Prentiss has been the Chief Financial Officer of the company since 2024. Prior to this, he served as the Chief Financial Officer of ADARx Pharmaceuticals Inc. Previously, he served as the Chief Financial Officer of Adamas Pharmaceuticals Inc. Mr. Prentiss also served as the Senior Director, Controller at Dynavax Technologies Corporation.

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Ajay Ahuja, MD

Chief Medical Officer; Executive Vice President Senior Management Since: 2025 Age: 57

Mr. Ajay Ahuja has been the Chief Medical Officer and Executive Vice President of the company since September 2025. Prior to this, he served as the Global Head of Medical Affairs of Allergan. Previously, he worked at Idorsia Pharmaceuticals, Kardigan Bio, and Takeda Pharmaceuticals.

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Stuart A. Tross, Ph.D.

Chief People and Workplace Officer Senior Management Since: 2016 Age: 60

Mr. Stuart A. Tross has been the Chief People and Workplace Officer of the company since 2016. Prior to this, he served as the Chief Human Resources Officer and Senior Vice President on global basis. Previously, he served as the Global Head of Human Resources and Vice President for Mead Johnson Company and held series of leadership roles at Bristol-Myers Squibb Co.

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