Andrew M. McKenzie is the core of The Hafler Trio, international protagonists of mood engineering for over 25 years, co-founder of Simply Superior, psychotherapist, hypnotherapist, lecturer, teacher, seminar and workshop leader in Creative Thinking, inventor of Complemation, sound engineer, designer, writer, programmer, classical guitar teacher, and far too many other things.

His present goals all involve applying everything learned by experience over the last 48 years for the benefit of others.

“Responsibility” is the ability of the self to respond with the maximum flexibility it allows itself.