Isabelle Tierney is a sought-after therapist, celebrated international speaker, and educator whose work has profoundly impacted the lives of thousands. Her groundbreaking Methodology has been successfully implemented with a wide range of audiences, from individuals of all ages to couples, families, communities, and global corporations such as L’Oreal.

Isabelle is a member of the Transformational Leadership Council. Her work has been endorsed by notable public figures such as Jack Canfield and Martin Rutte, co-authors of the Chicken Soup for the Soul series; Rhona Bennett, founder of Personal Power University and Grammy® Voting Member; Natalie Ledwell, co-founder of Mind Movies; Marry Morrissey, founder of the Brave Thinking Institute, and Emme, supermodel and REVLON spokeswoman.

Isabelle holds two master's degrees—one in International Relations from Boston University and another in Child Development from Tufts University. She also holds an energy healing certification from the Barbara Brennan School of Healing. She has owned and operated a private international therapy practice for 19+ years.

Isabelle offers an advanced program that trains and certifies individuals to facilitate the Methodology, both one-on-one and with groups. To date, 50+ graduates have completed the program and are using the Methodology in various settings, including universities and schools, corporations, and mental health care practices.

Isabelle’s mission is to help people learn to pivot in-the-moment from habitual reactions to conscious, positive responses, rapidly transforming every area of their lives.

Her work is distinguished by its simplicity and accessibility. It involves just three easy-to-follow steps that anyone can practice in minutes. It yields transformative results instantaneously and provides a proven pathway to freedom from behavioral patterns that have persisted for years. The word most often used to describe the Methodology by its practitioners is “life-changing.”