ALT The image shows a presentation slide projected onto a screen. The slide features a SQL-inspired heading “Select * from me;” with lists of the speaker’s current and past roles. Current roles include “Staff Engineer at Xata,” “Postgres Contributor,” and various co-founder and coordinator roles related to PostgreSQL meetups, diversity initiatives, and conferences. Past roles include “Board Member at Postgres Europe” and “Staff Engineer at EDB, 2ndQuadrant.” Below the slide, a speaker, identified as Gulcin Yildirim Jelinek, stands behind a lectern with a laptop, delivering a talk titled “Anatomy of Table Level Locks in PostgreSQL.”