Enterprise Knowledge’s Lulit Tesfaye, VP of Knowledge & Data Services, speaks with Ole Olesen-Bagneux, Vice President & Chief Evangelist at Actian. He is a twice-published author with a BA, MA, and PhD in Library and Information Science from the University of Copenhagen, and consults for many global companies as an established thought leader on data catalogs and enterprise data management.

In their conversation, Lulit and Ole discuss how he turned his childhood hobbies of computers and literature into a career in data, what it means to be a “product-centric evangelist,” and his experience writing books about data catalogs and metadata management. They also touch on how semantic priorities are changing within organizations in the age of AI.

For more from Ole, check out his books The Enterprise Data Catalog⁠ (O’Reilly, 2023) and Fundamentals of Metadata Management ⁠(O’Reilly, 2025).

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