Over 40 Years of Improving Retention, Well-Being, and Engagement with Self-Determination Theory

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At Immersyve Health, we are pioneers in the science of motivation, engagement, and well-being.

Over 40 years ago, our founders, Drs. Richard Ryan and Edward Deci, introduced Self-Determination Theory (SDT)—a groundbreaking, scientifically validated model that provides a deep understanding of what drives human behavior, motivation, and well-being.

Self-Determination Theory: A Leading Model for Motivation and Well-Being
Self-Determination Theory (SDT) has grown into the world’s leading behavioral science model for understanding motivation and engagement. What started as groundbreaking research by our founders, Drs. Richard Ryan and Edward Deci, has now inspired thousands of scholars, researchers, and professionals across the globe who use SDT to drive meaningful change.

With nearly a million independent research studies supporting its impact, SDT provides a proven framework for enhancing engagement, well-being, and performance. It helps individuals thrive while offering practical solutions to reduce burnout and turnover.

At Immersyve Health, we are dedicated to practically applying  SDT to empower people and organizations to unlock their full potential.

Creating Conditions for Flourishing: Supporting Autonomy, Mastery, and Belonging

At Immersyve Health, we believe motivation isn’t something to impose—it’s something to cultivate. Self-Determination Theory (SDT) challenges us to shift the focus from simply motivating people to creating the right conditions for them to thrive.

By fostering autonomy, relatedness, and mastery—the core psychological needs that drive human behavior—SDT helps unlock deep, sustainable motivation and engagement. When these needs are supported, individuals naturally perform at their best, experience greater well-being, and achieve meaningful personal growth.

Our mission is to empower individuals and organizations with the tools to nurture these conditions, leading to higher performance, retention, and well-being.

The Leadership Team

Immersyve Health’s principals are the same folks who created Self-Determination Theory and who currently lead its research and applied work worldwide
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Dr. Daryl Sharp
Nurse Leader and Educator
Dr. Sharp is an advanced practice nurse, educator and administrator who has developed and led innovative education and care delivery models across various healthcare settings. Her work is focused on behavioral health integration, patient engagement and healthy work environments.
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Dr. Richard Ryan
Co-Creator of Self-Determination Theory
Dr. Ryan is a renowned psychologist and co-developer of both Self-Determination Theory and Immersyve Health. Throughout his distinguished career, he has authored over 400 papers and books in the areas of leadership, motivation, organizational effectiveness, and well-being. His work has over 650,0000 citations.
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Dr. Scott Rigby
CEO of Immersyve Health
Dr. Rigby is an author, behavioral scientist, and CEO of Immersyve Health, a company that applies behavioral science to help healthcare organizations flourish. Dr. Rigby works with organizations worldwide to improve performance, well-being, and engagement.
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Dr. Paul Adachi
Senior Vice President at Immersyve Health
Dr. Adachi works with a variety of healthcare organizations to practically apply the Self-Determination Theory principles to improve retention and engagement, and reduce burnout.

Top Insights

Check our top insights about how to improve employee engagement, retention, and performance.
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