Mary Ann Mackin
Mary Ann Mackin is a speechwriter who has written for chief executives of foundations and corporations. She collaborated with Bill Gates Sr. on Showing Up for Life, his book of stories and lessons from a lifetime of public service.
Mary Ann Mackin is a speechwriter who has written for chief executives of foundations and corporations. She collaborated with Bill Gates Sr. on Showing Up for Life, his book of stories and lessons from a lifetime of public service.