Kai Spriestersbach
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Kai Spriestersbach

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Kai Spriestersbach is Head of AI at ReachX GmbH and one of the leading experts on Artificial Intelligence and Generative Engine Optimization (GEO) in the German-speaking world. With over 20 years of experience in digital business, a Master's degree in Web Science, and an ongoing doctorate at RPTU Kaiserslautern-Landau, he bridges the gap between research and real-world application like few others. His career began in search engine optimization, where he turned organic visibility into competitive advantages for major companies. As early as 2015, he recognized the potential of Machine Learning and NLP – today he is a recognized expert in Generative AI, RAG, and the integration of large language models into enterprise workflows. As a bestselling author, his book "Richtig Texten mit KI" (2023) sold over 25,000 copies. Together with SPIEGEL bestselling author Leonie Lutz, he published "Kluge Köpfchen mit KI" (2025), and with "Smarter Leben mit KI" (2026) he makes AI accessible for everyday life. His technical book "SEO für KI" is scheduled for Q3 2026 with O'Reilly Verlag. With over 50 talks at AI and marketing conferences, as a lecturer at THWS and RPTU, and as host of the podcast "Synapsensprung" (together with Belén Haefely), he communicates complex technology in ways that are both understandable and actionable.
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