Peter Litchfield Dr. Litchfield has served as a consultant, educator, researcher, lecturer, and entrepreneur in the fields of healthcare and human performance for more than 30 years, including the design, planning, development, production, management, and delivery of academic and professional education curriculum in psychology, behavioral medicine, and health education: workshops, seminars, short-courses, certification programs, competency programs, specialty programs, MS degrees and Ph.D. programs. Dr. Litchfield has lectured extensively since 1970 worldwide. aboutbreathing.net/plitchfield/