The individuals listed on this page have gone through extensive training with Ruth Zaporah and actively demonstrate the required skills and conceptual understanding necessary to teach the Action Theater method. Each is a certified and licensed teacher approved by Ruth Zaporah and/or Cass Tunick, Sten Rudstrøm and multiple senior teachers. Following the names and contact information is the year of certification. To view teaching schedules please visit the websites listed.

Cass Tunick and Sten Rudstrøm serve as co-directors of the Organization and the Certification program.

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​Sten Rudstrøm / Berlin, GERMANY / www.stenrudstrom.com, 1998

Cass Tunick / Brooklyn, NEW YORK / www.casstunick.com, cassterman@hotmail.com, 1998

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CANADA / EUROPE / AUSTRALIA / MEXICO

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Sabine von der Tann / Berlin, GERMANY / www.sabinevondertann.de, 1998

Deanna Anderson / Zacatitos, MEXICO / dmoves@icloud.com, 2006

Andres Noormets / Viljandi, ESTONIA / andres.noormets@gmail.com, 2006

Sarah Bild / Montreal, CANADA / www.sarahbild.ca, harumidragon@gmail.com, 2008

Phil Mitchell / Melbourne, AUSTRALIA / philmitch24@gmail.com, 2008

Etoile Chaville / GERMANY & FRANCE / www.etoilechaville.com, 2011

Matthias Rüttimann / Biel-Bienne, SWITZERLAND / www.improssible.ch, 2011

Nadine Sures / Halifax, CANADA / www.nadinesures.fr, nadinesures@gmail.com, 2014

Rebecca Mackenzie / Glasgow, UK / www.rebeccamackenzie.com, rebecca.mackenzie@gmail.com, 2014

Niki Tulk / Cork, Ireland / www.nikitulk.com, nikitulk@gmail.com, 2020

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UNITED STATES

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EAST COAST

Heather Harpham / New York, NY / www.heatherharpham.com, 1998

Sarah Hickler / Boston, MA / sarahhickler@comcast.net, 1998

Carolyn Sadeh / Northampton, MA / sadehcarolyn@gmail.com, 1998

Eric Huther / Easthampton, MA / erichuther228@gmail.com, 2006

Marielle Hare / Chapel Hill, NC / www.mariellehare.com,  2006

Cécile Rêve / Boston, MA / cecilereve@hotmail.com, 2012

Lorraine Grosslight / Boston, MA / lorralight@gmail.com 2012

Rachel Cohen / Brooklyn, NY / www.racoco.org, 2014

Shinichi lova-Koga /Milan, NY / www.inkboat.com, 2016

Michelle Renee Erard / Brattleboro, VT / erard.michelle@gmail.com, 2021

Ino Badanjak / Brooklyn, NY / ino.badanjak@gmail.com, 2021

Irene Siegel / Brooklyn, NY / ms.irene9@gmail.com, 2025

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CENTRAL

Linda Rodeck / Albuquerque / NM, lindarodeck@kunm.org, 2006

Mindy Grossberg / Albuquerque, NM / mgrossberg1971@gmail.com, 2011

Holly Maiz / Santa Fe, NM / hollymaiz55@gmail.com, 2011

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WEST COAST

Mary Rose / Portland, OR / www.portlandactiontheater.com, 2014

Julie Feinstein / Oakland, CA / www.jfacommunications.com, 2014

Jenny Beth Schaffer / Oakland, CA / actionjenny@gmail.com, 2014

Susan Skeele / Berkeley, CA / susansantafe@aol.com, 2017

Skye Hughes / Seattle, WA / www.skyehughes.wtf, skyehug@gmail.com, 2017

Nathaniel Holder / Portland, OR / nathaniel@nholder.com, 2018

Claire Peaslee / Point Reyes, CA / www.clairepeaslee.net, 2019

Jenn McCandless / Santa Barbara, CA / jenn@bodykindpilates.com, 2019

Joshua Lorris / Berkeley, CA / joshualorris@gmail.com, 2021

Santiago MacLean / Los Angeles, CA / macleansantiago@gmail.com, 2025

Miles Millikan / Berkeley, CA / milesmillikann@gmail.com, 2025

Any individual who is not listed above is not licensed nor approved to teach the physical theater improvisation method called Action Theater; nor do any hours accrued by a student from a non-approved teacher count toward the student's certification.

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