Core Transformation Practice Group
- Live Online -

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About the Practice group

Want to join a supportive community to practice and experience Core Transformation?

The way to truly become proficient at something is to practice. With this monthly membership you can count on a community of excited people to practice the exercises from the Core Transformation Foundation streaming video course, with expert guidance as you practice. The group will be a manageable size, with more assistants for a larger group.

With this membership you will:

Get Regular Practice with Core Transformation and Aligning Perceptual Positions:
A skilled guide can achieve near 100% success at guiding a client through Core Transformation or Aligning Perceptual positions. Here you can get the regular practice necessary to master these skills.

Experience personal Transformation on a Weekly Basis:
Not only will you get practice guiding others through Core Transformation and Aligning Perceptual Positions, you will also be guided through these process–giving you a place to bring your most important personal transformation goals each week. In the pilot program for this practice group, we conducted a research study of participants’ experience with CT practice over 30 days. Participants in the study experienced major improvements (large effect-size changes) in Emotional Stability, Positive Affect, Negative Affect, and Global Wellbeing (replicating previous CT research, 2015, 2019). A new and exciting finding in this study was the robust changes in dimensions related to spirituality. Scores on “Connectedness,” “Respect for differences,” and “Being Comfortable with one’s self” also showed large effect-size changes. There were also moderate effect-size reductions in symptom experience scores, (as measured by lowered scores of depression, anxiety, and stress on the DASS21 scale). The moderate (rather than large) effect size changes in these scores may be due to study participants starting out with relatively low scores in these areas. The findings from this study confirm our experience that Core Transformation goes far beyond mere symptom resolution and changing dysfunctional patterns, to facilitating wholeness and growth to one’s fullest potential. Stay tuned, as we hope to publish these finding in a good journal.

Get the Experience Needed to Attend Advanced Core Transformation:
Those of you who have attended the live CT Foundation training already know CT is incredibly powerful. But many of you have only experienced CT through the online streaming program (or DVD program, back when DVD’s were a thing). If this is you, you likely haven’t been able to experience these exercises yet. This practice membership group will give you a supportive arena to practice these exercises for the very first time, and also give you the experience you need to attend the Advanced CT training. (Every other month, we will practice all the CT processes that are pre-requisites for the Advanced CT training. In the intervening months, we will practice Aligning Perceptual Positions, and other useful exercises or variations that may or may not be a part of the CT Foundation training).

Learn With People Who Have Lots of Experience, as Well As Those Just Beginning:
Being part of a learning community with varying levels of experience, provides a rich environment where those just starting out, can learn from those with more experience, and those with more experience can learn from those just starting out (Many times more experienced CT guides want more practice working with people without as much experience in CT, so they can practice how to guide someone with less experience of the process). Some people in this group have already practiced CT quite a lot, and maybe even attended the Advanced CT course. However, many of you will be completely new. If you’re currently viewing, or you’ve just completed, the CT Foundation streaming video course, perhaps you’ve never done a CT exercise yet and you’re excited to have a supportive venue to practice this powerful process for the first time. Or maybe you’ve attended the live CT Foundation training, and you want more practice to deepen your experience of this process.


How the Online Practice Group will Work

The practice group will take place online through Zoom, where you’ll be able to see and hear everyone in the group, and get paired up to practice the exercises.


Online Practice Group Schedule

When: We meet on the first 4 Saturdays of each month. If there is a 5th Saturday on a month, we skip that Saturday.

Meeting time: 10:00am – 12pm Denver Time, first 4 Saturdays of Each Month

Where: Online using Zoom. Once you register, each month you will be emailed a zoom link to log in to practice for that month.

What: On “Core Transformation Foundation” months, we will practice all the Core Transformation exercises from the Core Transformation Foundation training. On “APP, PTR & More” months, we will practice Aligning Perceptual Positions, Parental Timeline Re-imprinting, and other useful exercises that may not be included in the Core Transformation Foundation training.


  • January: Core Transformation (Saturdays 2, 9, 16, 23 (no 30))
  • February: Aligning Perceptual Positions, Parental Timeline Reimprinting, & More (Saturdays 6, 13, 20, 27)
  • March: Core Transformation (Saturdays 6, 13, 20, 27)
  • April: Aligning Perceptual Positions, Parental Timeline Reimprinting, & More (Saturdays 3, 10, 17, 24)
  • May: Core Transformation (Saturdays 1, 8, 15, 22 (no 29))
  • June: Aligning Perceptual Positions, Parental Timeline Reimprinting, & More (Saturdays 5, 12, 19, 26)
  • July: Core Transformation (Saturdays 3, 10, 17, 24 (no 31))
  • August: Aligning Perceptual Positions, Parental Timeline Reimprinting, & More (Saturdays 7, 14, 21, 28)
  • September: Core Transformation (Saturdays 4, 11, 18, 25)
  • October: Aligning Perceptual Positions, Parental Timeline Reimprinting, & More (Saturdays 2, 9, 16, 23 (no 30))
  • November: Core Transformation (Saturdays 6, 13, 20, 27)
  • December: Aligning Perceptual Positions, Parental Timeline Reimprinting, & More (Saturdays 4, 11, 18, (No practice 25th due to Christmas)
  • Practice group will continue on the first 4 Saturdays of every month, throughout 2022

You are Eligible for this Practice Group if…

You have just begun watching the Core Transformation Foundation streaming training…

If this is you, wait to sign up for this practice group until we’re at the beginning of a “Core Transformation foundation” month, and be sure to watch the relevant section of the Core Transformation Foundation streaming video (or DVD) training before each Saturday practice. (When you register, you will be emailed what material will be practiced each Saturday so you can be sure to watch that portion of the training beforehand). This is a great way to support your learning with live practice as you make your way through the course.

You have already taken or watched the entire Core Transformation Foundation training…

If this is you, you can join the practice group at any time. Be sure that you have either, 1) watched the entire Core Transformation Foundation streaming video (or DVD) training with Tamara Andreas, within the last 10 years. OR 2) taken the Core Transformation Foundation training live with Tamara Andreas or Mark Andreas. The next training is Oct. 30 – Nov. 1, 2020, in Boulder, CO. (If you got the training more than 10 years ago, or with a different trainer, we want you to refresh/update your skills by getting the Core Transformation Foundation training on streaming video, or attending a current live training with Tamara or Mark.

Technical Requirements

To participate you’ll need access to the internet, and have a computer or laptop with a webcam. If you haven’t used Zoom before, we recommend you try it out with a friend to get familiar with it.


What People Are Saying


Mark Andreas

Mark has taught Core Transformation in five states and six countries, having traveled as far as India, Romania, the Netherlands, Portugal, and Canada to teach Core Transformation. Mark has a Personal Change Coaching private practice in Boulder CO, helping people achieve life-goals and resolving limitations using NLP, Core Transformation, Metaphors of Movement, Wholeness Work, and other methods for personal transformation and development. Though Mark uses many personal change methods, Core Transformation is the single method he has used the most over the last decade, both with himself, and with clients—because of it’s profound effectiveness and ease of application to a wide range of life issues. Mark works with individuals both in person and over Zoom or Phone. Visit for more details.

Mark’s most recent book, Waltzing with Wolverines: Finding Connection and Cooperation with Troubled Teens, offers a fresh and effective approach to working with teens and “kids of all ages,” based on his experience working for a Wilderness Therapy company in CO. In Mark’s unique style, this book teaches through stories and examples, making it a fun read.

Mark is also 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.

Upcoming Trainings

march 2022

18mar(mar 18)8:13 pm27(mar 27)8:13 pmCore Transformation Foundation Live Online (March 2022)

april 2022

aprCore Transformation Live Online Advanced (Spring 2022)

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