Mestiza Change & Leadership Lab

Structure your transformation
trajectory.

Mestiza supports SME executives across Europe and Africa in structuring solid, governable, and sustainable transformations, while preserving collective energy and performance.

Strategic clarity. Controlled governance. Collective energy preserved.

A transformation isn't accelerated. It's structured.

Discuss your trajectory Explore our services

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STRUCTURE GOVERNANCE ARBITRATION ENERGY DURATION
Our approach

Three pillars to structure a lasting transformation.

Every transformation rests on three inseparable dimensions.
Strategy. Leadership. Organization.

Mestiza operates at the intersection of all three.

Our 5 principles: Structure ◆ Governance ◆ Arbitration ◆ Collective energy ◆ Duration

Most transformations don't fail for lack of technology. They fail for lack of strategic architecture and clear governance.

Read our full analysis →
Pillar 1

Strategic architecture

Clarify intent. Structure governance. Prioritize trajectory.

◆ Diagnostic & Transformation Roadmap

◆ Role & governance clarification

◆ Arbitration framework design

Without clear architecture, any acceleration weakens.

Pillar 2

Leadership & AI

Elevate decision quality before introducing automation.

◆ AI Clinic for Leaders

◆ Strategic AI Circle

◆ Executive transformation mentoring

AI is an amplifier. It demands discernment and posture.

Pillar 3

Organization & collective dynamics

Preserve collective energy while securing execution.

◆ Organizational clarification workshops

◆ Change management

◆ Internal change agent support

You can't transform without protecting the capacity to act.

A successful transformation is neither technological nor merely human. It is structured.

Our services

Four levers to structure lasting change.

Each service works standalone or in combination.
Always tailored, always grounded in your strategic reality.

You are facing…

An upcoming digital or AI transformation

→ AI Clinic + Diagnostic & Trajectory
A reorganization that's stalling

→ Diagnostic & Trajectory + Clarification Workshops
Internal leaders struggling to hold their role

→ Leadership Transformation Mentoring
Need for strategic perspective among peers

→ Strategic AI Circle for Executives

With Mestiza Lab, you gain: a clear trajectory, cleaner governance, strengthened internal leaders, and an organization that holds over time.

◆ Pillar Leadership & AI

AI Clinic for Leaders

A structured program to integrate AI into your governance, arbitration and strategic steering. Not a tools introduction : a framework for strategic discernment.

Understand what AI changes in executive decision-making.
Build an AI / Human arbitration grid adapted to your context.
Integrate AI into your leadership posture: governance, ethics, steering.
Format: 2h to half-day sessions · Small groups of 6-10 · Fully tailored

Your executives leave with an AI governance framework, a risk map, and the structural questions to ask their teams.

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◆ Pillar Strategic architecture

Diagnostic & Transformation Roadmap

A clear-eyed diagnostic, a structured roadmap, and the first workshops to get your teams moving in the right direction.

Organizational diagnostic: where it's stuck, where the levers are.
Roadmap & governance: workstreams, roles, milestones.
Change management & co-construction workshops.
Key project leader mentoring integrated into the journey.
Format: engagement over weeks to months · Adapted to your size
Learn more
◆ Pillar Leadership & AI

Transformation Leader Mentoring

Individually structure your internal change agents so they can hold their leadership role. And continue without us.

Young project leaders who need to step up fast.
Experienced executives navigating digital transition.
Bridge managers between leadership and frontline teams.
Format: 3 to 6 month journey · Individual sessions · 100% confidential
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◆ Pillar Organization & collective dynamics

Organizational Clarification Workshops

Bring clarity back to roles, governance, and collaboration, speaking both the language of the frontline and the boardroom.

Roles & responsibilities: who does what, who decides what.
Governance: decision bodies, mandates, steering rituals.
Streamlined processes & collaboration frameworks.
Format: half-day to full day per workshop · 8-15 participants · Standalone or integrated into Diagnostic
Learn more
◆ Strategic Circle · Application-based access

Strategic AI Circle for Executives.

Two hours to structure your strategic discernment before any automation decision. A tight peer circle, by application only.

At the end of 2 hours, you'll have:
→ 1 AI / Human Arbitration Grid
→ 1 Strategic Risk Map
→ 1 Executive Question Framework
→ 10 Governance & Arbitration Prompts
→ 30-day replay
2h live · Online 10 seats maximum
Apply · Next session: Saturday April 26 · 10am-12pm →
AI Governance: build the architecture before deploying the tools
What they say about us

20 years of transformation. One common thread.

"What you notice immediately is the structure. Where other consultants deliver recommendations, she delivers a framework. Roles, milestones, arbitration; everything is clear by week two."

— Program Director, industrial sector · Belgium

"Her speed of execution is striking. She doesn't theorize for three months. She listens, structures, and moves forward. And she brings the teams along."

— CEO of an SME in reorganization · 180 employees

"What struck us was the ownership. She carries the project as if it were her own, with a discipline that our own teams ended up adopting. It's contagious."

— Transformation Director, European mid-cap

"The teams were glad to have her on board. Not because she did the work for them, but because with her, we knew we'd reach the destination."

— Digital Project Manager, large corporation · Brussels

"She has this unique driving force: she doesn't push people, she structures them so they move forward on their own. When she leaves, the framework stays."

— COMEX Sponsor, digital transformation program

Our approach

A strategic lab,
not a slide consultancy.

Mestiza is a strategic transformation lab. Not a consultancy that delivers slides. A space where we design solid, governable, and sustainable change trajectories.

Our approach bridges the rigor of process and metrics (Lean methods, governance, KPIs) with a deep understanding of the human and intercultural dimensions of change ; especially in Europe–Africa contexts.

Every engagement starts with a clear-eyed diagnostic, a structured architecture, and a commitment to never let transformation become a source of exhaustion.

Every transformation rests first on strategic architecture. Leadership and intercultural intelligence determine its execution.

Strategic architecture

Diagnostic, trajectory, governance. Not theoretical plans ; architectures that hold.

Leadership & governance

Technology is a lever. Governance determines its impact.

Intercultural intelligence

Translator between European headquarters and local teams. Cultural misunderstandings are the #1 invisible risk.

Coumba Theressa Seck

Coumba Theressa Seck

Founder · Mestiza Change & Leadership Lab

French-Senegalese, born in Mexico

Executive Master in Management · Solvay Brussels School

The founder

Over 20 years leading complex transformations in multi-site, multi-country environments.

Born in Mexico, raised in West Africa, and working in Europe for over twenty years, she brings a rare ability to bridge central governance and local realities.

Specialized in Europe–Africa contexts where cultural complexity is as strategic as technological complexity.

One conviction guides her work: a transformation isn't accelerated. It's structured.

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Let's structure your next step.

A 30-minute conversation to understand your context, identify the right lever, and assess whether Mestiza is the right architecture for your transformation.

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No commitment · Response within 48h · Full confidentiality
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