Mason's activity in America is summarised as follows.
Conferences
1a) "A Psychoanalytic Understanding of Forgiveness." Presented at the conference: Beyond Right and Wrong, University of California at Los Angeles (2012)
1b) Interviewed in the documentary film "Beyond and Wrong." (2012)
2) "Supervision from a Kleinian Perspective." Presented at the conference: Supervision: Two Contrasting Approaches, The New Center for Psychoanalysis, Los Angeles (2012)
3) "The Value of Interpretation." Presented at the conference: Interpretation: Thoughts on a Controversy, The Psychoanalytic Center of California, Los Angeles (2015)
4) "The Vicissitudes of Projective Identification." To be presented at The Oregon Psychoanalytic Center, Portland, Oregon (2016)
5) "The Anatomy of an Interpretation." To be presented at The Psychoanalytic Center of California, Los Angeles (2016)
Additionally, Mason has taught and supervised continuously in Los Angeles at The Psychoanalytic Center of California, The New Center for Psychoanalysis, The Wright Institute, and The Maple Center.