About | Karl Rosander

Serial entrepreneur & private investor

Karl Rosander is a serial entrepreneur, private investor and advisor; who has started digital businesses for more than 25 years. Coupled with multiple exits. Karl Rosander has a strong visionary and strategic mindset. In addition he has won more than 40 international innovation awards. Including two American Webby Awards.

Karl Rosander


Sesamy | Founder

Founder of Sesamy together with Måns Ulvestam and Marcus Ahlstrand.

”Subscription platforms are like a giant store – yet everything you’re interested in fits on a single wall.”

Acast | Founder

Acast have revolutionized on demand audio and podcasting in 6 years. We’ve connected over 3000+ media houses and podcasters with over 2.8 billion listenings yearly. Our multi-dimensional, free-to-use platform allows users to discover and share on-demand audio content beyond the traditional podcast experience while we support creators with a fair monthly revenue. Acast has become the largest Podcast Company in the world.

Society 46 | Co-Founder

Digital Innovation Agency with global clients Pepsi, NBA, Red Bull Media House, Procter & Gamble, IKEA, Saudi Telecom, Sony, Ericsson, Norton, Samsung, Swedish Radio, Nike & Volkswagen.