IASI Board of Directors

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Tom Robinson, IASI President, is the Certified Rolfer™ for Seattle’s Washington Athletic Club, and in a private Rolfing SI practice in Seattle and Mazama, Washington. Tom earned a Ph.D. in education from Stanford and brings to IASI decades of experience as a management consultant and non-profit board member. As a new Rolfer but experienced adviser in health care strategies, Tom wants to build the legitimacy of Structural Integration as respected complementary medicine. As well, he seeks to support the careers of Structural Integrators in practical and useful ways.

  Manuel Aragon, IASI Vice President, graduated from the Guild in 1998 and has since built practices in three different locations. His background is in athletics, yoga, and the martial arts and he thrives on the physical and mental challenges of sport-specific training. One of his specialties is helping athletes heal their bodies and improve their movement precision through the practical application of the SI 10-Series and integrative movement training. His true love is working with clients who have Scoliosis—individuals who have never felt the exhilaration and joy of an integrated and aligned body.

Amber Leigh Burnham  

Amber Leigh Burnham, IASI Secretary, is a Certified Advanced Guild for Structural Integration Practitioner and member of The GSI faculty. Since 2008 she has been teaching the Basic 10 series, Advanced Training and continuing education workshops with The Guild. Recently she has been developing and teaching a 10 series review course with cadaver lab and dissection in collaboration with Elisa Noel. Amber has been practicing Structural Integration since 1999 and has been learning and teaching alongside mentor Emmett Hutchins since 2007. She appreciates being in the classroom and regularly organizes workshops and classes sharing her passion of building our larger Structural Integration community. She has been studying RISI Movement with Mary Bond and is continually enlivened with the depth of awareness our bodies can enjoy. Amber is pleased to share IASI's overall mission and support its members.

Ward Sener, IASI Treasurer, came to the IASI board because he wanted to contribute to the advancement of a profession whose benefits he has experienced through the work itself. He brings many talents through his years of business experience, including IT and management consulting to Fortune 50 companies and government organizations. He has owned and operated several successful businesses and is intimately familiar with the struggles and rewards of entrepreneurship.



 Herbert Grassmann, IASI Board Member, is a Body Oriented Psychotherapist in his own Praxis. In 1989 he was trained in Structural Integration with Emmett Hutchins, Peter Melchior, and Stacy Mills. In 1994 he took the Advanced Training at the Guild for Structural Integration. He is also a Certified Hakomi Practitioner and trained with Pat Ogden and Peter Levine in Trauma Therapy. He is also director of the European Association of Somatic Traumatherapy (EAST), Executive Director of the Institut for Structural Core Therapy (SKT) and founder of SKT® Strukturelle Körpertherapie and TraumaSomatics®. Chair of the EABP Science & Research Committee. "My main focus as an international board member is to bring our International IASI members more together by stepping into a dialog between the international schools & training organization and helping to organize international IASI congresses."

alt   Deborah Nimmons, IASI Board Member, is a Board Certified Structural IntegratorCM and a Certified Soma Practitioner practicing in Seattle, Washington. Deborah grew up in the rural, small-town South surrounded by farms and trees, music and art, by people who lived as if everyone and everything mattered and held beauty. The people around her worked with their hands and hearts. That love of touch, of seeing, of respect for self and others, called her to SI in mid-life. She comes to IASI from a legal background, is a spontaneous dancer, a lover of stories and the written word, and hopefully with a long view of our future.




 Justin Farrell, IASI Board Member, Justin is the Certified Rolfer™ for Greenwood Athletic and Tennis Club in Littleton, Colorado and in a private Rolfing SI practice out of the greater Denver, Colorado area. Justin also holds a BS in Psychology, being led to a career as a Rolfer to provide a therapy which addresses both the health of the body and simultaneously, the mind. He enjoys spreading awareness of holistic preventative healthcare, of which structural integration is and aiding other new practitioners in developing and establishing a thriving practice.

 Tim Brennan   Tim Brennan, IASI Board Member, is a Board Certified Structural IntegratorCM, Certified Massage Therapist, and Certified Public Accountant. He brings 15 years of public and corporate accounting experience with him to the board. Passionate about movement in all its forms, Tim was introduced to Structural Integration while living in Boulder, Colorado. He has since mentored with Ed Maupin for two years while completing his education in massage therapy and Structural Integration at the International Professional School of Bodywork, where he now acts as an assistant teacher in their Structural Integration program. Tim is honored to be a part of the organization he believes will establish Structural Integration as an internationally respected profession, and form of complementary medicine.


Chris Corrales, IASI Board Member, stands for a world of joy, responsibility, connection, and love. At 21 years old Structural Integration transformed Chris' life on every level. It was the impetus that inspired in him a journey of self-empowerment, presence, purpose and potential. By nature his greatest inherent talents are fall into the categories of Strategic Thinking and Relationship Building, two strengths that he believes are crucial to help serve, evolve, and elevate today's SI profession and community.

IASI Teams

Team Chair Additional Team Members
Communications Kirstin Fossum Justin Farrell
Education Tom Robinson
Denise Foster-Scott, Amber Leigh Burnham
Ethics E-mail our Ethics Team
Events Kirstin Fossum Amber Leigh Burnham, Ward Sener
Executive Tom Robinson Kristin Torres, Ward Sener
Finance Ward Sener Tim Brennan, Tom Robinson
International Herbert Grassmann Amber Leigh Burnham, Tom Robinson
Law & Regulation Deborah Nimmons Denise Foster-Scott, Tom Robinson