Benni Mack (DE)

  • TYPO3 Project Lead, steering the development of the open source CMS for the last years

  • CTO at b13, a digital agency located in Stuttgart, Germany and also an active member of the CMS Experts community

  • Made it to the German national semi-finals in Greco-Roman wrestling

Meet Benni at

Open Source CMS conference 26

Presentation: TBD
Dates: 20 - 21 October
Location: Utrecht


About Benni Mack

Benni Mack is a respected technologist, open source contributor and one of the leading voices in the TYPO3 community. As TYPO3 Core Project Lead, he plays a central role in steering the evolution of TYPO3 CMS, championing quality, sustainability and developer experience across the project.

Benni is also Co-Founder and Chief Technology Officer at b13 GmbH, a Stuttgart-based digital agency focused on building high-performance, automated and future-proof web experiences using TYPO3 and modern open source tools. In his daily work he bridges business coordination, technical leadership and hands-on engineering, contributing to backend development, infrastructure setup and problem solving with a keen analytical mindset.

A lifelong learner and communicator, Benni thrives on collaboration and knowledge sharing. He contributes to multiple open source initiatives, engages with the PHP Framework Interoperability Group (PHP-FIG) and supports community-led efforts that strengthen TYPO3’s ecosystem. His approach blends deep technical insight with a strong emphasis on teamwork, clear communication and long-term value.

Beyond the keyboard, Benni brings a unique perspective shaped by curiosity and discipline. He was once a German national semi-finalist in Greco-Roman wrestling and he remains passionate about solving complex challenges with clarity and rigour.

About b13

b13 is a digital agency based in Stuttgart, Germany, with a strong reputation for building robust, scalable and maintainable web platforms. The team specialises in complex TYPO3 projects, combining deep technical expertise with a pragmatic understanding of business needs.

Founded by long-standing members of the TYPO3 community, b13 works at the intersection of strategy, architecture and delivery. Their focus is on sustainable solutions that stand the test of time, from enterprise CMS implementations to custom extensions, automation and infrastructure. Quality, clarity and long-term maintainability are core principles, not optional extras.

b13 is also deeply rooted in open source. The team actively contributes to TYPO3 CMS and related projects, sharing knowledge through talks, tools and community initiatives. This close involvement with the core software means clients benefit directly from up-to-date insight, best practices and a forward-looking perspective on the platform’s evolution.

Above all, b13 values collaboration. They work closely with clients, partners and the wider community to solve complex challenges in a transparent and thoughtful way, turning technical excellence into real, measurable value.

Connect with Benjamin