Gain 10 YEARS of management experiencein 6 weeks.
11 years of hands-on management, 200 people led. A proven method to make performance and trust grow together.
Sound familiar?
You're new to management
- You have the title but not the reflexes yet — and you can feel your team noticing.
- You want to delegate but always end up redoing everything yourself.
- You're torn between being too friendly and too tough, and can't find the right balance.
- You're running on instinct with no method, wondering how many more mistakes you'll make before you find your style.
Go from "winging it and hoping for the best" to "knowing exactly what to do Monday morning with your team."
You've been managing for years
- You're carrying your team on your back and your mental load is through the roof.
- You feel like you're repeating the same things over and over with no real change.
- You're managing everyone else's urgencies instead of driving your own vision.
- You've lost the impact you had at the start and don't know how to get it back.
Stop carrying everything alone and rediscover what made you want to lead in the first place.

Yann Tonneau — Leadership & Management Trainer
11 years of hands-on management. Retail, manufacturing, teams of up to 200 people.
I've been through it all: the botched first 90 days, the toxic employee you mishandle for months, the team that stops following, the crushing pressure to deliver. And I turned it all into a method.
Not academic. Not theoretical. Built in the field.
Why this program exists.
In 11 years, some managers made me grow. Others made me question everything.
I watched the same teams, in the same conditions, produce radically different results. The only variable? The way they were led.
I saw it hundreds of times, on the ground, with real people and real stakes.
People often pit company interests against employee interests. I disagree.
A manager who fully owns their role — with clarity and high standards, without losing the human element — is the most powerful lever a company has. When they get it right, everyone wins:
- Teams get their motivation back (and results follow)
- The manager gets their credibility back (and the culture shifts)
- The company gets its performance back (and that's measurable)
That's the kind of leadership I want to pass on.
Access 10 free modules right now
*after signing up
Apply it with your team as soon as tomorrow.
Start without a credit card.

Before We Start — One Important Thing
A key message before diving into the training. Watch this first — it takes 1 minute.

Let Me De-Influence You
The management myths you've been sold that are holding you back. We deconstruct them to build on real foundations.

The 5 Mistakes You Will Make (And That's OK)
The classic traps every manager falls into. Knowing them means you're already avoiding them.

How to Be the Manager Everyone Wants to Follow
What makes a manager create natural buy-in. The behaviors, posture, and habits that make the difference.

Tips to Become an A-Player
The habits and behaviors of top performers. How to stand out and create lasting value.

LEAD-IN Method — 7 Steps When Taking Over a New Team
A concrete, operational framework for taking charge of a team fast, building trust and establishing your authority.
What you'll master
10 core management topics. Each module = one skill you can apply the next day.
Taking charge of a new team
The LEAD-IN method: the 5 exact steps to take the reins of a new team within 30 days — without losing their respect or your authority in the first month.
Delegating without micromanaging
How to ACTUALLY delegate, without checking on every team member and without your team knocking on your door every 20 minutes asking what to do next.
Handling conflicts and toxic employees
The #1 mistake 9 out of 10 managers make when dealing with a toxic employee — the one that turns a manageable problem into a ticking time bomb for the whole team (and sometimes your career).
Managing the new generations
Why the management techniques that worked perfectly 10 years ago are today the best way to lose your best Gen Z employees — and what to do instead.
Building your managerial courage
The 3 precise situations that put your managerial courage to the test — and the only way to get through them without burning bridges with your team or your superiors (hint: the 3rd one, nobody ever talks about).
Building credibility and leadership
Everything you need to establish natural credibility with your team — and everything you have permission NOT to do (hint: authority has nothing to do with your position on the org chart).
Driving team performance
How to track your team's performance without turning every review into a courtroom — and get concrete results even with your most resistant employees.
Hiring the right people and onboarding them
The hiring mistake that even experienced managers make — costing them months of headaches, a degraded team atmosphere, and sometimes their reputation with HR.
Adapting your style to every situation
The 4-Profile Matrix: how to identify each team member's work style in under 10 minutes and adapt your approach to get the best from everyone without burning yourself out.
Leading remote teams
The remote management paradox (used by the best hybrid team leaders) to maintain cohesion and results — without endless Zoom calls or that constant feeling of losing control.
They worked with me
Managers, directors, and team leads who have seen me in action.
Testimonial from the co-founders of Agence Banger
Curious about who's behind this growth? Visit agence-banger.fr →“Yann has this rare ability to get teams on board through trust, leading by example, and action. He creates a concrete, positive dynamic where everyone finds their place and wants to get involved. A true transformation driver — and it delivers results.”
“A committed leader, he knows how to combine a human touch, active listening, and a clear sense of priorities. His empowering management style and hands-on involvement sustainably boosted team performance. I recommend him wholeheartedly.”
“What stood out to me was his genuine commitment to his team's wellbeing, always paired with a strong drive to hit the targets set. That combination is rare and powerful.”
“A skilled and attentive manager, Yann takes the time to understand everyone's needs while creating an environment of trust that encourages open dialogue.”
Unlock everything. Once.
45 premium modules · Summaries & tools included · 1h coaching session · Lifetime access
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30-day money-back guarantee. No questions asked.
Go further
The program is the foundation. For some situations, you need more.
Frequently asked questions
Yes. You pay once and access all content forever — including future updates and new modules.
Absolutely. Sign up for free and access 10 modules. When you're ready to unlock everything, lifetime access is here.
Once your access is active, book a slot whenever you want. It's a video call — we work on your specific situation: your team, your challenges, your goals. No script, fully customized.
Yes, all PDFs, checklists, templates, and worksheets are downloadable and ready to use directly with your team.
No. Everything comes from real experience. Each module is based on actual situations from 11 years of management in retail and manufacturing. Nothing comes from a textbook.
Access is unlocked instantly. You'll receive a confirmation email and can access the full catalog right away.
Yes, 30-day money-back guarantee. If the program doesn't work for you, you get a full refund, no questions asked.