Making models matter-Lessons from experience

The paper describes some practical cases drawn from personal experience which relate to the subject of ‘OR Crisis’. The author speaks with experience both as a user of Operational Research OR as well as a Director of Operational Research OR type studies. In addition to giving some practical advice, the paper highlights the major shift in system studies from large analytical models to interactive decision support systems. In conclusion, an appeal is made for management engineers within the Operational Research OR profession, as well as management scientists.