Dr. Mau is a clinical mental health counsellor in private practice for more than 20 years. 

He served as Core Faculty in a psychiatry residency program, teaching psychotherapy to psychiatrists. He is an investigator in a randomized controlled trial. He is currently contributing to a revision of a standard psychiatry textbook. 

He has written three books, as well as the introduction for a 2024 German book on clinical hypnotherapy. 

He is an international keynote speaker who has spoken at conferences in the United States, Australia, the United Kingdom, Germany, and Switzerland. 

He has received several professional awards given in Switzerland and the United States, including awards for Distinguished Professional Service as a counsellor, Outstanding Counsellor in his state, and for his books.