RESET Leader is a practical system that helps leaders and teams break growth barriers and turn insight into action—again and again. Instilling a growth mindset that holds under pressure.

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Why growth mindset breaks down when it matters most

Most leaders believe in growth mindset—until pressure rises, stakes increase, and certainty feels safer than learning.
 That’s when old patterns return.
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RESET Leader was built from years inside real transformations to help leaders operate with a growth mindset—not just believe in one.

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Recognize Growth Barriers
Evaluate Mindset Shifts
Setup Habit Experiments
Examine Impact
Transform Into Rituals
Recognize Growth Barriers
Evaluate Mindset Shifts
Setup Habit Experiments
Examine Impact
Transform Into Rituals
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Impact in Practice

“With an innovation and coaching background, I’ve long used tools to understand people’s wiring. RESET Leader turns that insight into real development by working on learned mindsets and behaviors through 8Star Mindset Assessment, in real work across teams.”
Edwin van Vianen
Principle
“Mindset became actionable: translated into daily behaviors and practices that delivered real results.”
Jesus de Antonio
HR Director Spain, Italy, France
“As a coach, I’ve seen how 8Star Mindset Assessment turns insight into growth mindset and sustained behavior change. Combined with coaching, it helps leaders apply what energizes them—week by week, in real work and under pressure.”
Josh Simmons
Principle
“The biggest impact came from combining group work with individual coaching. Coaching clarified each leader’s specific needs and translated them directly into stronger group dynamics and results.”
Ekaterina Broeders Kravtcova
HR Business Partner
“RESET helped us accelerate adaptation—not just at the top, but deep within teams where change often stalls. What made it especially powerful was how quickly it translated into real business outcomes: faster execution, sharper decision-making, and greater ownership across the organization."
Tuncay Özgüner
President, Retail & Americas
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"Our growth ambition was significant and the targets were demanding. What we were missing was a shared language and clear ways of working that could support that pace — RESET gave us exactly that."
Daryn Edgar
Former CEO of LYTT, a BP Company
Current CEO of Edmonton Global
“RESET gave our leaders a common language and a shared way of working across Spain, France, and Italy. What followed was not a one-time initiative — it became the ongoing rhythm our teams return to when change demands it most."
Martina Müller
MD South West Europe
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"RESET consistently challenged me to try new behaviors — some uncomfortable at first — which have since become part of my daily leadership practice. That combination of real usefulness and genuine enjoyment is what made the journey stick."
Stefan Pfeifer
Managing Director Germany
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"The mindset assessments opened my eyes and gave us a clear picture of our individual strengths and a roadmap for how to grow together. It's been huge for building clarity and getting things done faster."
Sumeet Mathur
MD Americas
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“Using a data-driven mindset diagnosis, we created a quarterly cycle of reflection, prioritization, tracking, and forward movement. This proved highly effective in strengthening alignment within our leadership team and delivering ambitious goals, even amid very challenging external conditions."
Joost Houben
Commercial Lead Foods Benelux & Head of Sales Netherlands, Vice President, Unilever
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From belief to behavior

RESET is the cycle that turns growth mindset into consistent action.

R
Recognise
growth barriers
E
Evaluate
mindsets
S
Setup
experiments
E
Examine
new behavior
T
Transform to new 
working rituals

Recognise
Growth Barriers

To reach strategic success, leaders must first identify what stands in the way. These barriers can be structural, behavioral, or mindset-driven—often hidden beneath performance metrics. Clarity about what blocks execution is the starting point for real progress.

Evaluate
Mindsets

Behind every barrier is a mindset. Leaders assess the fixed mindsets driving the behavior and define the specific growth mindsets required to unlock progress. This shift—from unconscious limitation to intentional learning—creates the foundation for sustainable change.

Set Up
Experiments

Mindset shifts must translate into action. Leaders design targeted behavioral experiments that practice the new growth mindset directly within real business priorities and strategic goals.

Examine
New Behavior

Execution generates evidence. Leaders consciously experience the impact of new behaviors—what accelerated performance, what created friction, and what didn’t work. This reflection deepens learning and strengthens the growth response.

Transform into
New 
Working Rituals

What consistently drives results becomes embedded. Leaders institutionalize successful behaviors into team rituals, decision-making processes, and performance rhythms—making growth mindset a sustained execution discipline.

RESET Leader by Mesut Celebi

Reset Leader: Shift Mindsets. Activate Strategy. Deliver Results.

RESET Leader explores how leaders activate strategy in a world of constant change.
 At its core is the RESET framework—a practical system for identifying growth barriers, shifting limiting mindsets, and embedding new ways of working that hold under pressure.
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Through real-world examples and actionable practices, the book shows how leaders and teams build a growth mindset, turn learning into habit, and increase responsiveness across the organization—enabling faster, more sustainable strategy activation.

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Make growth mindset visible

The 8Star Mindset Assessment builds deep self-awareness around mindset, resilience, and growth barriers—grounded in data across 8 Growth Areas that determine individual and team growth mindset.
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TeamStar extends this lens to teams, revealing collective patterns that either enable or block growth.

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Ready to reset how you lead? Start with the 8Star Mindset Assessment to understand your growth mindset and unlock meaningful change.

Start here.

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Accelerate transformation by building a growth mindset at scale

RESET Leader helps organizations turn growth mindset into daily practice. For coaches, consultants, and internal leaders, accreditation enables you to carry this work forward with clarity, credibility, and impact.

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