American College of Emergency Physicians
Angela Gardner, MD, FACEP, the current secretary/treasurer of American College of Emergency Physicians is the first ever official ACEP blogger. She started in 11/2006: Gardner’s Gate, "A view of the health care landscape from the viewpoint of a worker."
American Cancer Society
Dr. Len Lichtenfeld, the deputy chief medical officer of the American Cancer Society has had his own blog since 09/2005: Dr. Len's Cancer Blog.
Society of General Internal Medicine
Robert Centor, the president of SGIM started in 4/2006 the SGIM BLOG. See Dr. Centor's presidential address to SGIM: What distinguishes an outstanding internist.
Beth Israel Deaconess Medical Center in Boston
Paul Levy, the CEO of Beth Israel Deaconess Medical Center in Boston has had a blog since 08/2006: Running a hospital,"This is a blog started by a CEO of a large Boston hospital to share thoughts about hospitals, medicine, and health care issues."
Harvard Pilgrim Health Care
Charlie Baker, the CEO of Harvard Pilgrim has started a blog entitled Let's Talk Health Care.
How To Run A Corporate Blog. Steve Rubel, Wired.com.