Authors are ordered by number of posts.
Michael Pietroforte is the founder and editor of 4sysops. He is a Microsoft Most Valuable Professional (MVP) with more than 30 years of experience in IT management and system administration.
Paul Schnackenburg works part time as an IT teacher as well as running his own business in Australia. He has MCSE, MCT, MCTS and MCITP certifications. Follow his blog TellITasITis.
Kyle Beckman works as a systems administrator in Atlanta, GA supporting Office 365 in higher education. He has 17+ years of systems administration experience.
Sander Berkouwer is a Microsoft Certified Professional and a Microsoft Most Valuable Professional (MVP) with over a decade of experience in IT.
Jeffery Hicks is a multi-year Microsoft MVP in Windows PowerShell, Microsoft Certified Professional and an IT veteran with 25 years of experience specializing in automation. He works today as an author, trainer and consultant.
Wolfgang Sommergut has over 20 years of experience in IT journalism. He has also worked as a system administrator and as a tech consultant. Today he runs the German publication WindowsPro.de.
Alexander Weiß currently heads up an IT department, and my main interests include IT governance, cloud computing and IT architecture. Read my blog about Amazon cloud computing.
Vladan Seget is as an independent consultant, professional blogger, vExpert 2009-2016, VCAP5-DCA/DCD, VCP, and MCSA. He has been working for over 15 years as a system engineer.
Aaron Denton has been working in IT for 10 years. He is a CCNP, MCITP, Enterprise Admin and Enterprise Messaging Administrator on Exchange 2007. Follow his blog itprostuff.
David is an author and consultant, working for Endurance IT Services in Virginia Beach, Virginia, specializing in Microsoft enterprise systems and Business Process Automation.
Anil Erduran is a principal consultant and subject matter expert for Hitachi Data Systems EMEA, based in London, UK. He is also a dual category Microsoft Most Valuable Professional in Cloud and Datacenter Management and Microsoft Azure. Anil can be found on Twitter @anil_erduran.
Alex Chaika is a Microsoft Certified Solution Expert (MCSE) with more than 15 years of experience in IT systems engineering. He currently focuses on PowerShell and VMware PowerCLI.
Geoff Kendal is a Windows/Linux systems administrator, scripter and problem solver, with over 12 years experience, based in Leeds, UK.
Jason Coltrin has been working in IT for more than 17 years. He holds an MCSE 2003 Security+ plus various Palo Alto and SonicWall firewall certifications. He also is an avid Linux administrator and currently works in the finance Industry.
Mike Taylor has been working in IT for 12 years. He is a Windows administrator, scripter and OS deployment engineer based in London.
Andrew Jacops is a system/network administrator with over ten years experience managing Windows environments and the network infrastructures they run on.
Sitaram Pamarthi is working as a Windows Engineer and his special fields of interest are PowerShell, Active Directory, Exchange, and virtualization.
Krishna Kumar specializes in PowerShell, Exchange and Active Directory. Follow his blog SMTP Port 25.
James Bannan is Senior Technical Consultant who specializes in deployment, virtualization and management.
I have been a Windows administrator for eight years and currently focus on Group Policy, backup, and IIS/Apache administration.
James is a consultant from the UK, specializing mainly in end-user computing, Active Directory and client-side monitoring. When not implementing projects for his company HTG, he can often be found blogging, writing technical articles and speaking at conferences and user groups.
Tim Buntrock is one of three enterprise administrators for the Active Directory service of a "global player" in the contact center business. He is a certified engineer for MCTS, MCITP, MCSA and MCPS.
Jörgen is a principal consultant at Onevinn in Sweden. His work focuses on enterprise client management and system management. He is a Microsoft Certified Trainer and a Microsoft Most Valuable Professional (MVP) in Enterprise Mobility. He also speaks at events such as Microsoft TechDays, Microsoft Management Summits, and TechEd.
Alexander specializes in Windows deployments and systems management applications such as System Center Configuration Manager and System Center Operations Manager.
Venkat Sri is a senior Windows system engineer who specialises in PowerShell, Active Directory and virtualization. On 4sysops, he shares useful PowerShell scripts for system administrators.
Andrew Fitzgerald (MCSE, MCSA,CCNA,VCP,SNIA) has worked as an Infrastructure Consultant for 20 years for some of the biggest firms in London. Follow his blog Network Angel.
Jose Sanchez has 10+ years of hands-on experience in VMware virtualization, storage design, Microsoft technologies and network infrastructure.
Ben Norcutt is a Microsoft Certified IT Professional (MCITP) with 13 years experience in IT administration in educational establishments.
Ed Fisher is an information systems manager and blogger.
Simon Simcic works as a systems engineer for one of largest slovenian Systems integrations firms. He is especially interested in working with remote access solutions.
Mark Wilson is an accomplished infrastructure architect, with recent experience in technology leadership and IT strategy roles,.
Derek Schauland has been working in IT for more than 20 years. For almost as long, he has been authoring technical articles to help others learn about new technologies. Derek is a multiyear Microsoft MVP in Cloud and Datacenter Management.
Asser Hassan is a Vancouver-based DevOps engineer with more than 12 years experience in IT. He is a *nix expert, CLI enthusiast, virtualization and cloud professional (focus on AWS & Azure) and works as a cloud consultant.
Bret Fisher has been a Windows admin for over 15 years. He has nearly 30 Microsoft certifications as well as previous Cisco, Citrix, and SANS Institute for security.
I currently work for an enterprise that has about 3000 AD users and I am managing 160 of them.
Ilija Brajkovic is a tech writer from Croatia.
Ingmar Köcher is the CEO and founder of NETIKUS.NET ltd, the maker of EventSentry.
Bastian is a senior IT consultant with more than 20 years of experience in IT administration. He focuses on helping organizations plan and operate enterprise collaboration solutions.
Karim Buzdar holds a degree in telecommunication engineering and is a Microsoft Certified Solutions Associate (MCSA) for Server Infrastructure. As an IT engineer and technical author, he focuses on Microsoft Directory Services and PowerShell. You can reach Karim on LinkedIn.
Marius Sandbu is a Microsoft MVP for Azure, VMware vExpert, Citrix CTA, Veeam Vanguard and works as a cloud architect in Norway.
Mark Phelps is an IT admin who focuses on Active Directory and Exchange since 1999.
Dustin Miller is an IT admin and help desk manager. He works a lot with IIS.
Andreas Kroschel is a former IT journalist and works now as an IT admin in Germany.
Alessandro Cardoso is a Microsoft Most Valuable Professional (MVP) in Cloud and Datacenter Management, is a speaker in key events in Australia and New Zealand and holds MCSE, MCSA, and MCT certifications.
Chris Rich has over 17 years experience in the IT industry.
Marcel Küppers has been working for more than 15 years as systems engineer and specializes on Microsoft’s virtualization platform. He is a MCTS for Hyper-V, MCSE, and MCITP as well as an MCSA 2012.
Bryan Campbell is a Windows admin managing a network with a mixed variety of VMware and Citrix VDI.
Mark Mears has been in the IT world since the 1980s and is currently working as a consultant for a local company in Virginia Beach, Virginia.