Mario Körbler presenting his book at Schloss Retzhof

Mario Körbler

Entrepreneur · Developer · Author · Hap-Ki-Do Trainer

Clarity is a discipline.

Whether in business, in parenting, or on the mat — I believe in systems and attitudes that give people something to hold onto when things get messy.

20+Years in business
30+Modules in 1Tool
5+Years as a Hap-Ki-Do kids' trainer
2026New book published

About me

Multiple roles, one principle.

Everything I do comes back to the same question: how do you create structure without losing humanity?

U

Entrepreneur

I build digital tools that bring order to businesses — with 1Tool, 1Hosting, and 1Marketing I cover CRM, hosting, and marketing all from one hand.

E

Developer

I develop software, real estate, and companies — and as a Hap-Ki-Do trainer, I develop children too. "Developer" is more than a job title for me; it's my common thread.

A

Author

I write about parenting with backbone — for parents who want to guide their kids consciously, even when everyday life is chaotic.

H

Hap-Ki-Do Trainer

I teach children discipline, respect, and self-control on the mat — values that carry far beyond the training room.

Structure creates freedom — in business, in parenting, and in the dojo.

More about me →

New book

The Art of Parenting Through Chaos

Making kids strong in the digital world — media, screen time, and inner strength without rigid rules. A clear, field-tested guide for families where the outside world is chaos.

Book cover: The Art of Parenting Through Chaos
days until release

220 pages · 1st edition 2026
ISBN 978-3-98641-297-5

My formula for success

Success = Performance × Communication2

MARIO KÖRBLER

Quotes

My quote collection

I love quotes — I've collected 100 of them for you.

„It's not the big that eat the small, but the fast that eat the slow.“

— Heinz-Peter Halek

„That a single person is sometimes enough to drag an entire nation through the shit belongs among the mysteries of mass communication.“

— Erwin Koch

„You practice and you get better. It's very simple.“

— Philipp Glass

„When someone says "That's not possible," remember: those are their limits. Not yours!“

— Unbekannt

See the full quote collection →

Feel free to
get in touch.

mario@koerbler.com