Randy was a student of Marsha Linehan Roshi and Gregory Mayers Roshi.  In 2016 he was given authorization to teach in the Empty Cloud Lineage of Zen by Willigis Jager Roshi.  This was confirmed by Linehan Roshi in 2018.  Having completed koan study with Mayers he received transmission as a Zen Master in 2021.  He is the 89th successor to Shakyamuni Buddha and the 47 Successor of Lin-Chi.

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In addition to Zen sesshins in the United States he has led sesshins and Zen Based Mindfulness Trainings in 12 different countries.  He has close to 30 Zen students from around the world.

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He remains actively affiliated with the Empty Cloud Lineage in Germany and with Greg Mayers and his dharma heirs.

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Randy is a highly experienced trainer of Dialectical Behavior Therapy (DBT). He was a full-time DBT trainer with Behavioral Tech, the dissemination organization established by DBT founder, Marsha Linehan.

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Prior to his role at Behavioral Tech, Wolbert worked for 25 years as the Clinical Director of InterAct of Michigan, where he had responsibility for a number of teams, including those covering DBT, dual disorders, and assertive community treatment.

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A Licensed Master Social Worker (LMSW), he was previously a Board Member of the DBT-Linehan Board of Certification.

Martin St-André is a perinatal and infant psychiatrist, and Medical Director of the Perinatal and Early Childhood Psychiatry Clinic, Sainte-Justine University Hospital Center in Montreal. He is Associate Clinical Professor at Université de Montréal. He is the clinical leader of a national perinatal mental health program that uses contemplative and third-wave approaches, and he is a co-investigator in the large superiority clinical trial examining the effectiveness of this program,  toimoibebe.ca/en/ . Martin volunteers with the Québec's National Institute of Public Health (INSPQ) for developing community resources for ecoanxiety. As an amateur jazz guitar player, he provides free and constant training in radical acceptance to his patient teachers and forgiving listeners.

Martin has studied Zen since 1999 with Albert Low, Marsha Linehan and now with Randy Wolbert. A speed-learner, he spent 14 years working on his first koan. In 2018, he completed - but barely, really- a teaching certification in nondual tantric yoga with clinical psychologist Richard Miller and his team. In 2023, to his dismay and amused pride, and with renewed commitment to Zen practice, Martin was appointed as an authorized Zen teacher by Randy Wolbert.

Susie Glinka has been attending Empty Cloud Sangha retreats since 2014 and became a student of Rōshi Randy Wolbert in 2019. Susie works as a licensed psychologist in primary care and teaches in a family medicine residency in Portland, OR. She enjoys spending her free time with her husband chasing their toddler (who is often chasing one of the three cats).