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Joff Masukawa

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Joff Masukawa established  Diligentia LLC in January 2015. With over 30 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 is a board member of Americas Health Foundation, Caregiver Action Network, The Center for Healthcare Innovation and  Phoenicis Therapeutics.


A first-generation American, Joff is a passionate advocate of diversity and inclusion in life sciences. He regularly collaborates across the industry, NGOs, and his personal network to convene important conversations and forums to advance the cause of older adults, racial and ethnic minorities, and the LGTBQ+ community.


He holds a B.A. in international studies from 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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