About me

I AM REIMAR.

Create clarity. Make decisions. Get things done.

I make complex things simple — and say out loud what others do not dare to say.

As an advisor, keynote speaker, and entrepreneur, I help leaders and teams create clarity where chaos reigns. With a background in technology, marketing, and management, I bring a rare combination: strategic thinking paired with the ability to name the elephant in the room. I live with my family in the mountains of the Portuguese Algarve and work from there with clients in the DACH region. Far enough to have perspective. Close enough to be there when it counts.

As advisor, keynote speaker and entrepreneur he helps leaders and teams create clarity where there is chaos. With a background in technology, marketing and entrepreneurship he brings a rare mix: strategic thinking paired with the ability to name the elephant in the room.

Reimar lives with his family in the mountains of the Portuguese Algarve and works from there with clients in the DACH region. Far enough to keep perspective. Close enough to be there when it matters.

Reimar Kosack — keynote speaker and sparring partner

"Most problems aren't complicated, just unclear. My job is clarity."

— Reimar Kosack

WHAT HE'S ESPECIALLY GOOD AT

  • Simplifying complexity
  • The courage to be honest
  • Putting tech & AI in perspective
  • Stage presence & delivery

WHAT I DO

I come in when organisations get stuck in complexity, avoid conflict, and no one has the courage to say the obvious. On stages as a keynote speaker. In small circles as a sparring partner for executives and advisory boards. In workshop formats with teams that want to deliver instead of debate.

HOW I WORK

Direct. Honest. With the courage to say the obvious. Advisory at the right level — no slide deck, but conversations in which no one has to lie any more. Three truths suffice. The rest is fertile ground for workshops that decide nothing.

WHY #DIGITALEDENKE

Because AI adoption is not a tool topic, but a question of stance. Trust culture replaces presence culture. Workflow means workflow because work flows. No buzzwords, but concrete process chains that make friction visible.

The company

KOSACK LDA

A consultancy for people and organisations that want to move forward.

Advisory

Strategic accompaniment. Retainer model for continuous support when you need a sparring partner who stays in the loop.

Mentoring

1:1 sparring for founders. Because lonely decisions get better when someone pushes back.

Workshops

"Making Things Happen" — for teams tired of just talking. A format for leadership circles and boards that need a decision.

Keynotes

Talks that put uncomfortable truths on the table. When your organisation realises the next slide is no longer landing.

History

THE WAY HERE

  1. 1999

    WWSC Märkte und Medien GmbH

    Founded while studying at Bauhaus-University Weimar. First step into self-employment, at the intersection of media, markets and technology.

  2. 2000–2023

    The red thread

    Two decades in consulting, technology and marketing — from startups to corporates. Always the same insight: the best solutions come from clarity, not complexity.

  3. 2024

    KOSACK LDA founded

    The move to Portugal. Focus: advisory that actually helps — not just keeps people busy. Remote first, with locations in Berlin, Düsseldorf and Zurich.

  4. 2025

    Growth & methods

    Building the client portfolio. Developing our own methods (Shito). First keynotes on #DigitaleDenke and AI in the German-speaking market.

  5. 2026

    AI in the boardroom

    Launch of extrahirn.com. Expansion of the keynote practice with a clear focus on AI integration at board level — preparing for the agentic organisation.

Partnerships

PROUD MEMBER & PARTNER

BASES

Berlin

Regularly on site — keynotes, clients, network.

Düsseldorf

On site in the Rhineland — corporate engagements, workshops.

Zurich

Swiss clients, network, keynote dates.

Monchique

Headquarters and retreat location in the Algarve.

Best regards,

Reimar Kosack

If you notice that the next slide no longer helps, it is a good moment to write.

Write to me personally