Titouan Galopin is a certified PHP/Symfony French web architect from Paris. He currently works for SensioLabs, the company behind the PHP framework Symfony, and he has worked for various other companies, including LIIP, Emakina, Ademis, and Coburo.

Titouan graduated in computer science and information technology from the Paris-Saclay University, and he is currently pursuing an engineering degree at the University of Technology of Compiègne.

First as a web developer and then as a web architect since 2012, Titouan has worked on Nginx intensively for PHP applications and Dockerized environments. Within the few years of his work, he has accumulated a lot of experience with Nginx and shares his experience in this book and in the related one, Nginx High Performance, Packt Publishing.

Valery Kholodkov is a seasoned IT professional with a decade of experience in creating, building, scaling, and maintaining industrial-grade web services, web applications, and mobile application backends. Throughout his career, he has worked for well-known brands such as Yandex, Booking.com, and AVG. He currently works as the CTO of QubiQ Digital, a consumer acquisition agency. Valery has a deep understanding of technology, and he is able to express its essence, advantages, and risks to a layman, which makes him an accomplished author and technical reviewer.