‘I’m So Lucky to Be Your Dad’: Bill Gates and His Daughter Pen Emotional Messages to Each Other On the Microsoft Co-Founder’s Birthday Posted byEmily Rella October 29, 2021 Leave a comment on ‘I’m So Lucky to Be Your Dad’: Bill Gates and His Daughter Pen Emotional Messages to Each Other On the Microsoft Co-Founder’s Birthday The billionaire businessman and philanthropist turned 66 on Thursday.