Observed Signal · Sep 14, 2026 · Hiring · Source: Trending Topics (DACH/CEE Innovation & Tech) · Impact: 2/5 · Sentiment: Positive
Mark Kaslatter named CEO of Celum, Big Cheese Ventures ends
Austrian software company Celum has appointed Mark Kaslatter as its new CEO. The former co-founder of Big Cheese Ventures, a Vienna-based startup boutique, will focus on sales, partner channels, and international expansion. Celum founder Michael J. Kräftner remains as Chief Vision Officer, concentrating on long-term product strategy amidst AI and evolving content processes. Kaslatter brings 20 years of experience, including founding CRM company k.section, later sold to Emakina Group, and leading Emakina Central & Eastern Europe. Celum, which develops product content and brand management software, generated €19.8 million revenue in 2025 and employs around 130 people in Linz, Vienna, and Munich. The leadership transition is part of the company's growth phase, with both leaders emphasizing collaboration and scaling.
CEO change at a mid-sized B2B software company with potential for growth, but limited direct impact on AdTech industry.
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Key Takeaways & Evidence Grounding
- Mark Kaslatter appointed CEO of Celum, effective immediately.
- Founder Michael J. Kräftner becomes Chief Vision Officer, focusing on product strategy.
- Kaslatter previously co-founded Big Cheese Ventures, which has been discontinued.
- Celum generated €19.8 million revenue in 2025, up from €12.5 million in 2021.
- Celum employs around 130 people across Linz, Vienna, and Munich.
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