Ilia F. Killeen Meetings ManagerAIChEIlia F. Killeen is a Meetings Manager at AIChE, and the staff lead for the annual Safety in Ammonia Plants and Related Facilities Symposium. Ilia has collaborated with the Ammonia Committee since 2005. ChEnected contributions Interview with Author and Keynote Speaker Thomas Hager Aug 6, 2018 . by Ilia F. Killeen Involved in the manufacture of ammonia and related chemicals? Check out what this year's Annual Safety in Ammonia Plants and Related Facilities Symposium has in store.