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About

A Journey of Healing, Growth, and Empowerment for All

Core Transformation® is a groundbreaking method that empowers individuals and professionals to create deep, lasting change. By gently addressing the root causes of inner challenges, this process transforms them into sources of strength, clarity, and peace. With decades of proven success, our approach has helped thousands worldwide find balance, heal emotional wounds, and achieve their fullest potential.

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Our story

From One Spark to a Global Transformation Movement

Evolving from a single life-changing experience in 1979, Core Transformation has grown into a research-backed method empowering thousands worldwide to access deep peace, clarity, and wholeness daily.

1979 • September

A Life-Changing Moment — Milton Erickson Insight

Connirae experiences a spontaneous state of profound peace during a session with Milton Erickson, proving deep, natural transformation is possible personally.

1989 • April

Method Emerges — Client Work Breakthrough Guided by curiosity

Connirae crafts a 10-step questioning process that reliably brings clients into the same core states of wellbeing.

1990 • June

First Training Debut — NLP Professionals

The inaugural Core Transformation workshop is presented to seasoned NLP practitioners, confirming the model’s effectiveness across diverse issues and learning styles.

1994 • March

Book Release — Translated Into Many Languages

Connirae and Tamara write the seminal guidebook Core Transformation: Reaching The Wellspring Within, making the method accessible worldwide and sparking translations into eighteen languages within five years.

2019 • October

First RCT Study — Peer-Reviewed Evidence

A randomized controlled trial demonstrates significant reductions in anxiety and depression after a single Core Transformation session, providing scientific validation and attracting interest from healthcare researchers globally.

2020 • January

Certification Launch — Coach Pathway Opens

Comprehensive live-online curriculum enables practitioners to gain mastery, mentorship, and official endorsement to guide others through Core Transformation safely and effectively.

Today

Worldwide Impact — Used Across Disciplines

Therapists, coaches, educators, and organizations on six continents apply Core Transformation daily to foster resilience, compassion, and authentic leadership in individuals and teams.

The research

Core Transformation® Research

Core Transformation already has significant published research behind it, with more on the way. Here is a summary of the publications and the results, including the studies not yet published.

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About

The trainers

Tamara Andreas

Tamara Andreas is an international transformational seminar leader and co-author of the book, Core Transformation: Reaching the Wellspring Within, and the Core Transformation Training Manual. She has been bringing the Core Transformation work to people around the world for over two decades, and has been the lead trainer for this process and for the Wholeness Work trainings in Asia. She has used Core Transformation in depth in her own life, which enriches what she offers in both trainings and private coaching sessions. Since 2007, Tamara has been offering in-depth Core Transformation Trainings in Japan, where she now teaches a customized training series and mentors a growing group of members of the Japan Core Transformation Trainer’s Association.

People trust Tamara’s adept skill in creating safety and clarity through which to explore their own transformations. Her heartfelt and gentle style, along with her mastery of the material, make her a well-loved and effective Trainer. Tamara makes presentations tailored for business groups, health professionals and educators. She lives and works with her husband and son in Colorado.

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Mark Andreas

Mark has taught Core Transformation in five states and seven countries, having traveled as far as India, Russia, Romania, the Netherlands, Portugal, and Canada to teach Core Transformation. Mark is the co-designer and co-trainer of the Core Transformation Coach Certification Training (along with Tamara Andreas). He has led multiple research trials in Core Transformation, including several randomized controlled trials. This research shows the effectiveness of Core Transformation as guided by coaches in the Andreas’ Core Transformation Coach Certification training. Mark is also a personal transformation coach, meeting over Zoom using Core Transformation, Metaphors of Movement, Wholeness Work, NLP, and other methods. With this wide range of tools, Core Transformation remains the single method he has used the most over the last fifteen years, both with himself, and with clients—because of it’s profound effectiveness and ease of application to a wide range of life issues. Visit www.markandreas.com for more details.

Mark is author of the book "Sweet Fruit From The Bitter Tree: 61 Stories Of Creative And Compassionate Ways Out Of Conflict," endorsed by Dan Millman and William Ury, and "Waltzing with Wolverines: Finding Connection and Cooperation with Troubled Teens," based on his experience working for a Wilderness Therapy company in CO.

Testimonials

Real stories of profound change from CT training participants

Blog

Learn more about us

Core Transformation Research: First Randomized Controlled Trial Published in Peer-Reviewed Journal

2 mins read

We are pleased that the first randomized, controlled study on Core Transformation has been published in a […]

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Sample Case Study

2 mins read

Lynn had struggled with her weight for as long as she could remember. It had […]

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International Research: Core Transformation Results Across Six Continents

1 min read

From Panic to Peace: Elena’s One-Session Turnaround Elena, a 32-year-old UX designer, spent years haunted […]

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