Dr David Lindelöf is a lead data scientist at YouTube and principal technical consultant to Gargantua Group, where he architected their state-of-the-art recommendation engine. His expertise spans machine learning, causal inference, and large-scale recommendation systems deployment.

At YouTube, he leads data science initiatives for the creator facing systems, focusing on metrics definition and experiment design and analysis. Previously, as a director of data science at Expedia, he innovated hotel recommendation systems and established robust machine learning pipelines using PySpark and AWS. His work in distributed causal inference resulted in five successful promotion recommender systems.

As a former CTO at Neurobat AG, he led a research team in developing algorithmically driven smart controllers for space heating, achieving documented energy savings of 28%. A passionate advocate for best practices in machine learning, he combines technical expertise with strong leadership skills, having mentored numerous data scientists and engineered processes that significantly reduce time-to-market for ML applications.