Marie Gleeson is a woman who wears and has worn many hats. One of Ireland’s first female naval officers, she is also a first-time author, having recently published her memoir, Be Like the Sea. Gleeson is also a renowned leadership expert, working as an executive leadership coach, a media commentator, a much-sought-after speaker and, as important to her, a homemaker.  Early in our conversation, it becomes clear that we have an unwanted connection. Gleeson and her husband, John, lost their firstborn, Ciarán. My wife, Fiona, and I lost our firstborn, Ava. Our initial conversation was all about how we dealt…