Nikolay Samokhvalov is the Founder of Postgres.ai: helping developers speed up development and improve quality via using thin cloning, putting large databases to CI/CD pipelines, and robust SQL optimization tools. The core product: Database Lab: https://postgres.ai/products/how-it-works
PostgreSQL user since 2005, Postgres consultant (2007-10 in Russia; since 2016 in the U.S.)
Briefly a hacker (XML data type and functions released in 8.3, 2008)
He has built and sold 3 social websites/apps with 10+ million users each; all are running on Postgres
Long-term community activist: RuPostgres.org, Postgres.tv