Challenges
On Jan 26th 6 challenges or calls to action that are listed below were launched. You can watch the archived presentations here and can click below for more information on each challenge.
Sanofi Diabetes Challenge:

Dennis Urbaniak, Vice President, Diabetes at Sanofi U.S.
KP HIV Challenge:

Michael Horberg MD, Director, HIV / AIDS
James Albino, Senior Program Manager, The White House Office of National AIDS Policy
Janssen at Johnson & Johnson Connected Care Challenge:

Suzanne Blaug, Head of Alzheimer Immunotherapy Program
Kimberly Park Partner, Janssen Healthcare Innovation at Johnson & Johnson
Allscripts Million Hearts Challenge:

Toby Samo MD, Chief Medical Officer
Leigh Burchell, Vice President, Policy & Government Affairs
Pfizer & Janssen Alzheimer's Challenge:

Michael Williams, Vice President of Primary Care
HHS ONC Care Transitions Challenge:

Farzad Mostashari MD, ScM, National Coordinator for Health Information Technology, Office of the National Coordinator for Health IT