Happiness Leadership Institute
Meet your guide to purposeful flourishing

Lead with greater purpose, resilience, and fulfillment.

Nevriye Yesil is a Happiness Studies master's graduate, PhD student, international author, and trusted advisor to founders, executives, and individuals seeking to lead with greater purpose, resilience, and fulfillment.

She studied happiness under Dr. Tal Ben-Shahar, a prestigious Harvard professor, and combines evidence-based research with decades of lived experience. Drawing on the teachings of Dr. Tal Ben-Shahar, Arthur Brooks, Dr. Joe Dispenza, and Tony Robbins, she equips people with practical tools to create happier, healthier, and more meaningful lives.

Bridging three continentsTurkey · Germany · USA
Nevriye Yesil, she built the life she loved
My story

I learned happiness the hard way, then learned to teach it the gentle way.

I
Chapter I · Twenty five years of listening

For more than twenty five years, Nevriye has been a student of human behavior. Not from a distance, and not from a textbook, but inside boardrooms, family kitchens, hospital corridors, and the quiet rooms where women finally tell the truth about how they are really doing.

What she brings to her work is not borrowed research. It is lived experience, sharpened by formal study, and shaped by the mentors who have trusted her with their teaching.

II
Chapter II · The turning point

The shift came when she stopped chasing motivation and turned, instead, to the science. She completed her Master's in Happiness Studies under Dr. Tal Ben‑Shahar, the prestigious Harvard professor whose course on positive psychology became the most attended class in the university's history.

She is now in the process of her PhD in Happiness Studies, continuing the work of translating rigorous research into practical, embodied tools that ordinary people can actually use.

III
Chapter III · The mission

Nevriye is committed to making the world a happier place, one person, one team, and one organization at a time. Her work lives at the intersection of positive psychology, behavioral science, and the lived wisdom of three continents.

That work has grown into the Happiness Leadership Institute, the Sprinkle Happiness podcast, four published books, and the stages she now speaks from across Europe and the United States.

"

You know the feeling when you have everything, and you feel nothing? That was me.

Nevriye Yesil
The methodology

Four principles I never break.

I.

Science before slogans

Every tool is rooted in peer-reviewed positive psychology, behavioral science, and contemplative research. Nothing is borrowed from the wellness industrial complex.

II.

Regulation before performance

Nothing grows in a dysregulated nervous system. We begin in the body, with safety, breath, and coherence, before any strategy is offered.

III.

Depth before scale

Real change is slow, quiet, and embodied. Nevriye works with fewer people, more deeply, by design.

IV.

Heart-led, never performative

Gentle, intelligent, and honest. No spiritual bypassing. No bootcamp energy. No promises that the research cannot keep.

Lineage and mentorship

Learning from the people who define this field.

Nevriye's work is shaped by leading voices in positive psychology, neuroscience, and human performance. What she teaches, she studies and learns from the best.

Nevriye with Dr. Tal Ben-Shahar
Dr. Tal Ben-Shahar
Harvard professor, positive psychology

Nevriye completed her M.A. in Happiness Studies under Dr. Tal Ben-Shahar, a prestigious Harvard professor, and is currently his PhD student.

Nevriye with Arthur C. Brooks
Arthur C. Brooks
Harvard professor, Atlantic columnist

Author of multiple best selling books including Build the Life You Want, coauthored with Oprah Winfrey. His framework on the science of happiness has shaped Nevriye's work with leaders and the way she guides clients through the second half of life.

Nevriye with Dr. Joe Dispenza
Dr. Joe Dispenza
Neuroscientist, author, teacher

Dr. Joe Dispenza's work on the neuroscience of change, meditation, and human potential informs the practical tools Nevriye uses to help people rewire patterns and create lasting transformation.

Nevriye with Tony Robbins
Tony Robbins
Platinum Partner, peak performance

As a Tony Robbins Platinum Partner, Nevriye has spent years in the room with Tony, absorbing his insights on human needs psychology, strategic intervention, and high-stakes behavior change firsthand.

"
Happiness is not a reward for the lucky few. It is a practice, a posture, and a quiet form of leadership available to anyone willing to begin.
Nevriye
Why this matters for you

You don't have years to figure this out alone.

The fastest way to grow is to stand close to the people who already know. Every hour you spend guessing is an hour you cannot buy back. Nevriye has spent decades learning from the best in the world so that you, your team, and your people get the shortcut to what actually works.

Need a guide who has already walked the path?

  • 01
    Studied directly under Dr. Tal Ben-Shahar
    M.A. in Happiness Studies and current PhD student of the Harvard professor who shaped the field. So your team learns what actually works, not what trends.
  • 02
    Mentored inside the room with Tony Robbins
    Platinum Partner, in the same room learning his methods firsthand. So the breakthroughs you get are the ones leaders pay six figures to access.
  • 03
    Following Arthur C. Brooks closely
    Author of Build the Life You Want, coauthored with Oprah Winfrey. Nevriye follows his work closely to bring you Harvard-level insights on the science of happiness.
  • 04
    Coached by an Olympian
    Trained personally by Michaela Breeze, two-time Olympian and one of Britain's greatest weightlifters. So you build the strength, mindset, and recovery to build the life you want.
  • 05
    25+ years studying human behavior
    Across banking, leadership, family systems, and women's wellbeing on three continents. So your challenge has likely already been met, and answered.
  • 06
    Author of four books, international keynote speaker
    Published in English and German (two with Springer), speaking on stages across the US and Europe. So the voice guiding your people is one already trusted by thousands.
  • 07
    Founder, Happiness Leadership Institute
    Programs built for founders, executives, and women stepping into their next era. So you stop building alone.
Happiness Circle gathering
Beyond the Institute

A wider practice.

Alongside her work with organizations and leaders, Nevriye walks with women one to one and in small groups. She is the founder of the Happiness Circle™, a growing community in Lakewood Ranch where women gather to learn the practice of happiness together, and quietly watch their lives change because of it.

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