Skip to main content

Meet the team

The Enable Sysadmin team includes the editorial team and members of the Sudoers program.

Editorial Team

Meet the editorial team.

Profile picture for user Jason Baker

Jason Baker

Red Hat Certified Engineer. Linux desktop enthusiast. Map/geospatial nerd. Raspberry Pi tinkerer. Data analysis and visualization geek. Occasional Pythonista. More about me

Profile picture for user jhibbets

Jason Hibbets

Jason Hibbets is a senior community architect at Red Hat which means he is a mash-up of a community manager and project manager. He works with the Enable Sysadmin community, but also dabbles with and the Open Organization community. More about me

Profile picture for user khess

Ken Hess

Ken Hess is an Enable SysAdmin Community Manager and an Enable SysAdmin contributor. Ken has used Red Hat Linux since 1996 and has written ebooks, whitepapers, actual books, thousands of exam review questions, and hundreds of articles on open source and other topics. More about me

Profile picture for user tcarriga

Tyler Carrigan

Tyler is a community manager at Enable Sysadmin, a submarine veteran, and an all-round tech enthusiast! He was first introduced to Red Hat in 2012 by way of a Red Hat Enterprise Linux-based combat system inside the USS Georgia Missile Control Center. More about me


Meet the members of the Enable Sysadmin sudoer program.

Profile picture for user Alex Callejas

Alex Callejas

Alex Callejas is a Senior Technical Support Engineer of Red Hat, based in Mexico City and an Enable SysAdmin contributor. With more than 10 years of experience as SysAdmin, he has strong expertise on Infrastructure Hardening and Automation. More about me

Profile picture for user Amy Marrich

Amy Marrich

Amy Marrich is a Principal Technical Marketing Manager at Red Hat. More about me

Profile picture for user Anthony Critelli

Anthony Critelli

Anthony Critelli is a Linux systems engineer with interests in automation, containerization, tracing, and performance. He started his professional career as a network engineer and eventually made the switch to the Linux systems side of IT. He holds a B.S. and an M.S. More about me

Profile picture for user Ashraf Hassan

Ashraf Hassan

I am Ashraf Hassan, originally from Egypt, but currently, I am living in the Netherlands I started my career in 1998 in the telecom industry, specifically the value-added services. Although my official studies were in the area of telecommunications, I was always attracted to system administration More about me

Profile picture for user Bryant Son

Bryant Son

Bryant Jimin Son is a Consultant at Red Hat, a technology company known for its Linux server and opensource contributions. More about me

Profile picture for user Chris Collins

Chris Collins

Chris Collins is an SRE at Red Hat and a Community Moderator for He is a container and container orchestration, DevOps, and automation evangelist, and will talk with anyone interested in those topics for far too long and with much enthusiasm. More about me

Profile picture for user David Both

David Both

David Both is an Open Source Software and GNU/Linux advocate, trainer, writer, and speaker who lives in Raleigh North Carolina. He is a strong proponent of and evangelist for the "Linux Philosophy." More about me

Profile picture for user Evans Amoany

Evans Amoany

I work as Unix/Linux Administrator with a passion for high availability systems and clusters. I am a student of performance and optimization of systems and DevOps. I have passion for anything IT related and most importantly automation, high availability, and security. More about me

Profile picture for user Gabby Taylor

Gabby Taylor

I currently work as a Manager of Content Support for Linux Academy. I have been working with Linux and OpenSource tools for a decade, constantly wanting to make new resolutions for obstacles and always training others on improving systems as a systems administrator. More about me

Profile picture for user Glen Newell

Glen Newell

Glen Newell is a Red Hat Certified Engineer with many years of experience in IT Systems Administration and Support. He spent many years wandering in the desert of closed OSs but is now happy to exclusively focus on open source solutions. More about me

Profile picture for user Jason Frisvold

Jason Frisvold

Jason is a 25+ year veteran of Network and Systems Engineering.  He spent the first 20 years of his career slaying the fabled lag beast and ensuring the passage of the all important bits.  For the past 5 years he has transitioned into the DevOps world, doing the same thing he used to, but now wit More about me

Profile picture for user Joachim Haller

Joachim Haller

Member of the Red Hat Accelerators and Red Hat Chapter Lead at Capgemini. More about me

Profile picture for user Jonathan Roemer

Jonathan Roemer

Jonathan Roemer is a Linux systems engineer with an interest in containerization, automation, and the human side of IT. He is currently an associate manager of containers and hybrid cloud at Datto, and can usually be found reading a book on his porch. More about me

Profile picture for user Joeg Kastning

Jörg Kastning

Jörg has been a Sysadmin for over ten years now. His fields of operation include Virtualization (VMware), Linux System Administration and Automation (RHEL), Firewalling (Forcepoint), and Loadbalancing (F5). More about me

Profile picture for user Keerthi Chinthaguntla

Keerthi Chinthaguntla

Keerthi is aspiring Cloud, DevOps engineer, he has been working with Windows and Linux systems. He believes in continuous learning (CL) and continuous sharing (CS), on his way building his very own CL CS pipeline. When he is not playing in the CLI, you will find him playing Cricket.  More about me

Profile picture for user Nathan Lager

Nathan Lager

Nate is a Technical Account Manager with Red Hat and an experienced sysadmin with 20 years in the industry.  He first encountered Linux (Red Hat 5.0) as a teenager, after deciding that software licensing was too expensive for a kid with no income, in the late 90’s.  Since then he’s run More about me

Profile picture for user Ricardo Gerardi

Ricardo Gerardi

Ricardo Gerardi is a Senior Consultant at Red Hat Canada where he specializes in IT automation with Ansible and Openshift. More about me

Profile picture for user Scott McCarty

Scott McCarty

At Red Hat, Scott McCarty is a technical product manager for the container subsystem team, which enables key product capabilities in OpenShift Container Platform and Red Hat Enterprise Linux. Focus areas include container runtimes, tools, and images. More about me

Profile picture for user Shashank Hegde

Shashank Nandishwar Hegde

I work as a Solutions Engineer at Red Hat and my day-to-day work involves OpenShift and Ansible. I'm highly passionate about open source software, cloud, security, and networking technologies. More about me

Profile picture for user Steve Ovens

Steve Ovens

Steve is a dedicated IT professional and Linux advocate. Prior to joining Red Hat, he spent several years in financial, automotive, and movie industries. More about me

Profile picture for user Valentin Bajrami

Valentin Bajrami

Valentin is a system engineer with more than six years of experience in networking, storage, high-performing clusters, and automation. He is involved in different open source projects like bash, Fedora, Ceph, FreeBSD and is a member of Red Hat Accelerators. More about me

Profile picture for user Valentin Rothberg

Valentin Rothberg

Container engineer at Red Hat, bass player, music lover. More about me