Since 1984, several thousand managers and professional negotiators in France and Europe have followed his seminars and conferences on "Mutual Gains Strategy".
Michel Ghazal has acted as consultant for several Boards of Directors in a large variety of business sectors helping to develop their negotiation strategies at hierarchical, business and social levels.

He worked as mediator in Merger and Acquisition operations and in Commercial and Labor-Management disputes.

He acts as a fellow at the Conflict Management Group, the organization created by Roger Fisher, committed to the promotion of peace in the hot spots of the world.

He wrote his doctoral thesis on the subject of "Business Negotiations". He is also the author of " Mange ta soupe et ... tais-toi ! " (Eat your soup and shut up ! ) which has been translated in 9 languages.

He is the co-author of "Circulez y a rien à... négocier !" ( Move on, there is nothing to ... negotiate ! ) a case study of the management of the December 1995 social conflict in France. His last book "Si c'était à refaire !" was published in June 2004.

He also acted as editor and consultant for the French translations of "Getting to Yes", "Getting Together", "Getting past No" and "Difficult conversations".