List of Contributors Lt. Col. J.M. Ambaum (1961) received his officer’s education at the Royal Military Academy and studied clinical psychology at Utrecht University. He is a psychologist with the Section for Individual Assistance of the Royal Netherlands Army, where he treats psychic and psycho-social problems; he also carries out debriefings of person- nel returning from missions. Dr. Th.A. van Baarda (1957) was involved in the establishment of the Bureau of Ethics and the Armed Forces of the Defence Ministry; he has headed the Bureau since 2003. He also holds the position of Associate Professor on military ethics at the Netherlands Defence Academy. He is listed as election observer with the Netherlands Ministry for Foreign Affairs. He co-edited both books on military ethics that have appeared in the Dutch language, that were commissioned by the State Secretary for Defence. Dr. M.J. Becker (1961) studied history and philosophy at the Catholic University of Nijmegen. He is currently lecturer of ethics at the same university (currently called Radboud University). He was a guest-lecturer at the Royal Naval Academy and he is a guest lecturer at the Netherlands Defence College and the School for Peace-mis- sions. Lt. Col. C.E. van den Berg (1965) finished his officer’s education at the Royal Military Academy in 1988 as officer of the corps of engineers of the Royal Netherlands Army. He studied social and organisational psychology at Utrecht University and has, since, served in several positions as military psychologist. Col. C.P.M. van Egmond (ret.) (1948) received his Higher Military Education at the Navy Staff School. He served in a wide variety of operational and command posi- tions as a member of the Royal Netherlands Marines. He was tutor at the Royal Naval Academy and head of staff sections at the Headquarters of the Royal Netherlands Marines, the Royal Netherlands Navy, the Defence staff and – at the international level – at the Headquarters of the United Nations in New York. List of Contributors Lt. Col. P.J.M. van der Heijden (1959) studied psychology and sociology at the Royal Military Academy. As an officer of the Royal Netherlands Air Force, he has served in several positions in the field of personnel management, while he was also an observer of the UN mission in Bosnia Herzegovina (1993). At the time of the drafting of the chapter on the Air Force, he was the commander of the 132 Squadron for Didactics, Military Leadership and Training. Capt. (N) M.J.J. Hoejenbos, MD, MPH, (ret.) (1951) began serving in the Royal Neth- erlands Navy as a general physician. He subsequently had several management positions. From March 2001, he was Head of the Health Care Policy section of the Defence Ministry. He is specialised in medical-legal and medical-ethical questions. He retired in February 2006. H.H.V. Horlings (1962) studied political economy at Erasmus University of Rotter- dam. As a staff member of the Directorate-General of Personnel and Materiel, Policy Development Section of the Defence Ministry, he focused on the introduction of policy measures against undesirable behaviour and the development of a network of confidential councillors. Lt. Col. L. Horstman (Mrs, 1962) studied psychology at the University of Amster- dam and specialised in clinical psychology and psychotherapy. In her capacity as psychotherapist, she is attached to the Individual Assistance Section of the Royal Netherlands Army. Air Cdre A.J. van Leusden MD (1952). As Surgeon General for the Netherlands Armed Forces, he is responsible for military medical policy and development of the military health-care system. He also gives medical advice to the administrative, military and political leadership of the Department of Defence. He has been trained in family medicine, occupational medicine and aviation medicine. He has been posted in Ger- many, the Netherlands and Canada, serving in many different positions. Commander (N) Dr. M. Meijer (1962) studied industrial and organisational psychol- ogy at Groningen State University. He wrote his Doctorate at Erasmus University of Rotterdam focusing on commitment, satisfaction and output of Royal Navy person- nel of sea-going units. He served as a lecturer at the Royal Netherlands Naval College, as the staff officer for Social Work for the Royal Netherlands Marine Corps and as a senior researcher at the Netherlands Veterans Institute. Currently he is the Panel Executive of the Human Factors and Medicine Panel of the NATO Research and Technology Organisation in Paris. Lt. Col. E.J. Overbeke (Mrs, 1955) began her career with the then Military Female Section of the RNLA. She subsequently served with the Communications Section in 388.