O'Reilly Data Engineering Books 143 Databricks DATA + AI Summit 2023 120 Data Engineering Podcast 84 Data + AI Summit 2025 66 O'Reilly Data Science Books 20 DATA MINER Big Data Europe Conference 2020 8 Microsoft Ignite 2025 7 Airflow Summit 2020 7 Google Cloud Next '24 6 Airflow Summit 2024 6 Big Data LDN 2025 5 Google Cloud Next '25 5

Tobias Macey 84 Matei Zaharia (Databricks) 10 Reynold Xin (Databricks) 8 Jean-Georges Perrin (Actian) 5 Holden Karau (Fight Health Insurance) 5 Al Martin (IBM) 5 Mark Brown (Microsoft) 5 Martin Grund (Databricks) 4 Richie (DataCamp) 4 Denny Lee (Databricks) 4 Ali Ghodsi (Databricks) 4 Michael Armbrust (Databricks) 4