Marco Slot is a Principal Software Engineer on the Postgres team at Snowflake. He previously led the development of Citus at Citus Data, which was later acquired by Microsoft, and in 2024 started working on Iceberg in Postgres at Crunchy Data, which was later acquired by Snowflake. Over the years, Marco co-created several widely used Postgres extensions, including Citus, pg_cron, pg_documentdb, and pg_lake.