Born in 1975 in Kingston, Ontario, Christopher McCreery is a Canadian historian recognized for his deep knowledge of orders, decorations, and medals, particularly within Canada and the broader Commonwealth.

McCreery pursued higher education at Huron University College, where he obtained a Bachelor of Arts in 1998, followed by a PhD in Canadian political history from Queen's University at Kingston in 2003. His career has included significant roles in public service. He worked as an Executive Assistant to Senator Michael Kirby from 2004 to 2006 and later as Senior Policy Advisor to the Speaker of the Senate for a year. Since 2009, he has served as the Private Secretary to the Lieutenant Governor of Nova Scotia, also holding the positions of Executive Director of Government House and Secretary of the Order of Nova Scotia.

His scholarly contributions are primarily focused on the history of national and provincial awards. McCreery has authored several books on this subject, with his 2005 work, 'The Order of Canada: Its Origins, History and Development,' receiving a commendation from Queen Elizabeth II. He is also a Fellow of the Royal Canadian Geographical Society and has held the role of National Historian for St John Ambulance and the Order of Saint John.

Christopher McCreery has established himself as a leading authority on the subject of orders, decorations, and medals. His research and publications concentrate on the historical development and significance of these honors, with a particular emphasis on their evolution within Canada and across the Commonwealth nations. This specialized field requires meticulous attention to detail, archival research, and a comprehensive understanding of heraldry and state ceremonial. McCreery's work illuminates the intricate systems of recognition and their role in national identity and history.

Beyond his academic pursuits, McCreery has held influential positions in Canadian public service. His tenure as Private Secretary to the Lieutenant Governor of Nova Scotia since 2009 places him at the center of provincial vice-regal administration. In this capacity, he also oversees Government House operations and serves as the Secretary for the Order of Nova Scotia, demonstrating a practical application of his historical knowledge. Earlier, his roles as Executive Assistant to a Canadian Senator and Senior Policy Advisor to the Speaker of the Senate provided him with valuable experience in parliamentary affairs and policy development, complementing his academic background.