Tosha has been a massage therapist since 1990.  He had practices in Los Angeles, California and, beginning in 1993, Sedona, Arizona.   In 1995, Tosha was trained as a Mediator by the Arizona Attorney General’s office and provided mediation services for Coconino County Superior Courts, Yavapai County Juvenile Courts and the US Postal Service.  In 1996 he was introduced to NVC (NonViolent Communication) and began incorporating NVC consciousness into his mediation work, his healing work and his personal life. ​

Tosha has offered Intros, Workshops and Practice Groups in NonViolent Communication.  In 2003 he began organizing the Sedona, Arizona NVC Community, bringing in trainers, working with fellow volunteers, offering monthly Coffee and Connections, seeking and obtaining donations and loans to establish a local NVC bookstore and lending library and making book and video donations to local public libraries.  He has worked as volunteer staff at the Flagstaff Center for Compassionate Communication, assisted and presented at International Intensive Trainings (IIT's offered by the International Center for Nonviolent Communication [CNVC]),  been active in a number of advanced trainings  and was a presenter at the Conference on Nonviolence held in Eugene Oregon during the Summer of 2008.

In 2009, Tosha began participating in Gina Cenciose’s programs in Canada and stayed around to support and assist her in her work.  As her partner and husband since 2010, he is active in all the work she does and has learned immensely from her.

Tosha has provided mediation services in local Arizona communities and for the US Postal Service and is a trained supporter for the local Restorative Justice Program in the Verde Valley of Arizona (SORJ). 

Tosha has been a massage therapist for the past 30 years and has worked with myofascial release, core belief systems, Course in Miracles, Applied Kinesiology and other integrative principles and practices.