Denis Sheahan

Denis Sheahan is an accomplished engineering professional with extensive experience in performance architecture and engineering. Currently serving as a Principal Performance Engineer at Airbnb since April 2022, Denis previously held significant roles at major technology companies including Facebook, where Denis developed PerfDoctor, the premier performance tool for analyzing service performance at scale. Other notable positions include Performance Architect at Snowflake and Senior Performance Engineer at Netflix, where Denis contributed to the architecting of performance frameworks. Denis also has a storied history at Oracle, Sun Microsystems, and ASK Ingres, demonstrating a deep expertise in performance optimization, cloud technologies, and system architecture. Denis holds a degree from Trinity College Dublin.