Clayton Rubec was a Senior Habitat Scientist in Canada’s Federal Ministry of the Environment up to 2008 after 34 years of public service. Since then he has led a series of environmental consultancies. His professional career has included wetland science, management, policy and program implementation; environmental stewardship legislation and taxation initiatives; remote sensing land use research; Arctic landscape surveys; and inter-governmental missions to many nations related to wildlife habitat and wetland conservation treaties. From 2004 to 2019, he provided ongoing advisory assistance to Nature Iraq — a nongovernment organization, the Iraq Ministry of Environment and the Iraq Ministry of Water. He has a B.Sc. degree in Ecology from Queen’s University (Kingston) and an M.Sc. degree in Physical Geography from McMaster University (Hamilton), with additional post-graduate studies. He has lectured at over 45 universities; been a keynote speaker at many national and international conferences as well as Canada’s Head of Delegation for international treaty meetings; and led professional courses, conflict resolution forums and workshops. He has authored over 250 journal papers, books, reports and other articles including 50 on philatelic subjects. He has been a member of the British North American Philatelic Society, the Postal History Society of Canada, the American Philatelic Society and the Nicaragua Study Group. He and his wife Leslie live in Perth, Ontario, Canada.
Akthem Al-Manaseer is the Charles W. Davidson Professor of Civil and Environmental Engineering at San José State University, California, US. He obtained his Ph.D. degree from the University of Glasgow in the UK and was a Fulbright Scholar recipient. A Chartered Engineer involved in higher education and professional practice for the last 39 years, Dr. Al-Manaseer’s area of expertise is concrete materials and structures. He is the author of one of the best-selling textbooks on structural concrete, published by John Wiley and Sons and now in its seventh edition. Professor Al-Manaseer is an FIP (Fédération Internationale de Philatélie) accredited juror and a US National Accredited Philatelic and Literature juror. He is a member of the Club de Monte-Carlo de l'Élite de la Philatélie and has served as the President of the Council of Northern California Philatelic Societies. He is a Fellow of the Royal Philatelic Society London and is a recipient of the Julian Chapman Memorial Scholarship. He is known for his collecting interests related to the Middle East and is an expert on Iraq philately. Dr. Al-Manaseer has received several special awards and Large Gold/Gold medals for his exhibits on Iraq, Baghdad and Mosul, and Transjordan.