 From 1986 until 1994, Hulsman occupied several leading positions in the Dutch immigration service.In 1994, Hulsman became a correspondent for several Dutch media outlets in Egypt, and with his Egyptian wife Sawsan Gabra Ayoub Khalil, founded in 1997 the 
From 1999-2001, at the request of the American University Press in Cairo, Hulsman carried out research on the Coptic Orthodox Holy Family tradition and compared this with earlier work carried out by Dr. Otto F.A.Meinardus in the 1950s and 1960s.