Joff Masukawa


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Joff Masukawa founded Diligentia LLC in January 2015. With over 20 years of healthcare and life science industry experience, he has led and executed many commercial strategies for first-in-class products, including orphan and specialty biopharmaceuticals, cell therapies, diagnostics and other novel technologies and services.

He has held leadership roles spanning commercial and corporate functions, including market access, government relations and public affairs, patient and provider services, and sales and marketing at Shire, Genzyme, Visible Genetics, Gentiva and Labcorp.

Prior to establishing his independent advisory, Joff served as Vice President and Global Head of Government Relations and Public Affairs at Shire, where he designed and led strategies to build the company’s brand, leadership and engagement with governments, patients, payors and key external stakeholders in existing and emerging markets. 

He also serves on the Board of Directors of Caregiver Action Network, The Center for Healthcare Innovation and ICORD, the International Conference on Rare Diseases and Orphan Drugs.

He holds a B.A. in international studies from the Johns Hopkins University and completed graduate work in international affairs at the Johns Hopkins School of International Studies and in strategic communications at Columbia University.

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