This week's announcements include changes at the top of Johnson & Johnson, Roche, Pierre Fabre, Nordic Nanovector, Inthera Bioscience and the Dementia Discovery Fund, plus new board appointments at Dova, Easton, Destiny Pharma and Abivax.

Derived from Strategic Transactions, Informa’s premium source for tracking life sciences deal activity, the Dealmaking column is a survey of recent health care transactions listed by relevant industry segment – In Vitro Diagnostics, Medical Devices, and Pharmaceuticals – and then categorized by type – Acquisition, Alliance, or Financing. This month’s column covers deals announced in December 2015.