General Info
Karl Rosander is a serial entrepreneur and private investor who founded Acast and is currently launching Sesamy. With over 25 years of experience starting digital businesses, he has a strong visionary and strategic mindset. Karl has won over 40 international innovation awards, including two American Webby Awards. His track record includes roles at Acast, Nordic Air Defence, and Society 46, demonstrating his diverse career in the industry. He has been involved in past investments with varied check sizes and continues to be actively engaged in new ventures.
Location: Stockholm, Stockholms Lan, Sweden
Country: Sweden
Industries:
Investment Regions: EU
Investment Stages: pre-seed, seed
angel-individual
EU
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🤖 AI Activity Report
Status: very-active
AI Reasoning: Found evidence Karl Rosander co-founded and is launching Sesamy and activity in 2025 (Sesamy co-founder/investor mentioned in sources dated 2025). For example, Sesamy lists Karl Rosander as co-founder and investor in 2025 (Tracxn/website) and press pages show ongoing involvement. The most recent known investment/active founding is within the last 6 months, so classify as very-active.
Angel activity thresholds:
Low Activity – Only known angel investments more than 12 months ago.
Active – Known angel investments between the last 12 and 6 months.
Very Active – Known angel investments in the last 6 months.
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