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Joff Masukawa

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Joff Masukawa established  Diligentia LLC in January 2015. Prior to founding Diligentia, Joff was 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, engagement and leadership with government representatives and agencies, patient advocacy groups, industry associations and other key external stakeholders. 


Joff has held senior level leadership roles spanning commercial and corporate functions, including commercial strategy, government and public affairs, market access, patient advocacy, and sales and sales management at Shire, Genzyme, Visible Genetics, Gentiva and Labcorp. He has developed and executed many commercial launch strategies for innovative products and is adept at aligning optimal legislative, regulatory and market access solutions to support business objectives. He began his career as a clinical sales representative for Merck.


He serves on the boards of Americas Health Foundation, Caregiver Action Network, and Phoenicis Therapeutics. He holds a BA in international studies from Johns Hopkins University, an executive certificate in strategic communications from Columbia University and completed graduate studies in international affairs at the Johns Hopkins School of International Studies.

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