Mohamed Alibi is a Linux System administrator at the training team of the European Bio-informatics Institute EMBL-EBI at the Wellcome Trust Genome Campus. He got his master's degree in Network System and Telecom from the Faculty of Sciences of the Tunis El Manar University, with an internship held at the University of Illinois Urbana-Champaign at the National Center for Supercomputer Applications and the Carl R. Woese Institute for Genomic Biology.
He started his career as a system and network administrator at Institut Pasteur de Tunis from 2011 to 2015. During this time, he got associated with the network project H3ABioNet. He held the title of the co-chair of the Infrastructure Working Group, helping the development and enhancement of the computer infrastructure of project nodes. Between 2014 and 2015, he started his career as a part-time professor at Superior Institute of Biotechnology of Sidi Thabet, then, as a system administrator trainer with the University of Pretoria as part of the project H3ABioNet. At the end of 2015, Mohamed got his current position as a Linux system administrator with the European Bio-informatics Institute.
He reviewed a book about CentOS 7 troubleshooting in late 2014 and early 2015.

Bhaskarjyoti Roy is a Linux and open source enthusiast with more than 12 years of experience in Linux system administration, virtualization, and cloud computing.
He provides his services to many companies and organizations on a daily basis. He learns from his experience, which he has gained through self-learning and serving clients regularly. He has built more than 1 servers based on various CentOS versions running different types of services such as virtualization, web-server, e-mail, DNS, and many more.
He is currently working with gotcha! Mobile Solutions, a Dallas based digital marketing agency specializing in local SEO, mobile web apps, and custom web development projects.