This pages lists the first 25 members for each member rank. Also check out the monthly member leaderboard and the yearly member board.


    • Paolo Maffezzoli, Points: 72537
      IT systems administrator server infrastructures (Windows,VMware)

    • Michael Pietroforte, Points: 37175
      Michael Pietroforte is the founder and editor in chief of 4sysops. He has more than 35 years of experience in IT management and system administration.

    • Leos Marek, Points: 23616
      Leos has started in the IT industry in 1995. For the past 15+ years he focused on Windows Server, VMware administration and security. Leos is a freelance expert working for banking institutions. He also runs an IT outsourcing company in Jicin, Czech Republic.

    • Luc Fullenwarth, Points: 16126
      Luc is working as a Windows System Administrator since 1999. Information Technologies have always been his passion, especially scripting. Whatever goes through his hands is automated with PowerShell.


    • Karim Buzdar, Points: 8068
      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...

    • Surender Kumar, Points: 7433
      Surender Kumar has more than twelve years of experience in server and network administration. His fields of interest are Windows Servers, Active Directory, PowerShell, web servers, networking, Linux, virtualization, and penetration testing. He loves writing for his blog.

    • Vignesh Mudliar, Points: 5969
      Vignesh hails from the city of Pune in India. He has been working in the IT industry for the past 11 years. His main areas of focus are Microsoft 365, Exchange Online, PowerShell, Teams, Microsoft 365 Security and SharePoint Online. @vignesh_mudliar.

    • Swapnil Kambli, Points: 4918
      Swapnil Kambli is a Cloud Consultant & Trainer specialized in Cloud adoption, migration, support and optimization. He has 14 years of experience advising Enterprises & SMBs over domains ranging from Containers to Server Management, virtualization to Cloud...

    • David Figueroa, Points: 4285
      I've worked on everything from IBM mainframes back in the day to SQL Server to Exchange, etc.  The last 20+ years of my career have been focused primarily on Citrix..

    • Wolfgang Sommergut, Points: 4195
      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

    • Brandon Lee, Points: 3087
      Brandon Lee has been in the IT industry 15+ years and focuses on networking and virtualization. He contributes to the community through various blog posts and technical documentation primarily at

    • Mike Kanakos, Points: 2727
      Mike Kanakos is a Cloud and Datacenter Microsoft MVP, tech blogger and PowerShell community leader. He writes about infrastructure management and cloud automation. You can follow Mike on his blog or on Twitter at @MikeKanakos.

    • Vladan Seget, Points: 2621
      Vladan Seget is an independent consultant, professional blogger, vExpert 2009-2019, VCAP-DCA/DCD and MCSA. He has been working for over 20 years as a system engineer.

    • Ruben Zimmermann, Points: 2161
      Ruben is an infrastructure specialist who specializes in Active Directory, public key infrastructure (PKI), and System Center Operations Manager. He automates in VBS, PowerShell and C#. Ruben lives in Suzhou, China, and you can follow him on Twitter @Ruben8Z.


    • Welf Alberts, Points: 905
      Welf has been working as a system administrator since the year 2000. He focuses on IT security for the Windows platform.

    • Sami Laiho, Points: 903
      Sami Laiho has been a Microsoft Most Valuable Professional (MVP) since 2011 and one of the world's leading IT experts for Windows and security. He has been teaching OS troubleshooting, management, and security since 1996. In 2019 TiVi-magazine chose Sami as one of the top...

    • Robert Pearman, Points: 891
      Robert is a small business specialist from the UK and currently works as a system administrator. He was a Microsoft MVP for eight years and has worked as a technical reviewer for Microsoft Press. You can follow Robert on Twitter and in his blog.

    • Timothy Warner, Points: 800
      Timothy Warner is a Microsoft Cloud and Datacenter Management Most Valuable Professional (MVP) who is based in Nashville, TN. Check out his Azure and Windows Server video training at Pluralsight, and feel free to reach out to Tim via Twitter.

    • Ramon Tan, Points: 764
      Retired (since 2010) IT professional.  MS in Comp.Sc. (1974).

    • Milos Mitic, Points: 740
      Windows server administration and SAN

    • Baki Onur Okutucu, Points: 733
      Onur is a DevOps Engineer and Subject Matter Expert for Azure, and PowerShell. He is the founder of Clouderz Ltd, a cloud consultancy based in London. For 13 years in a row, Microsoft has recognized him as an MVP (Most Valuable Professional). You can follow Onur on...

    • Sponsor, Points: 723
      4sysops account for sponsor messages

    • IQ, Points: 722
      IT Professional with 2 years of experience with Windows 2016 technologies.


    • Joel Tbo, Points: 97
      Automation enthusiast. Anything Virtual or standardized quick devop kind of thing from AD to registry or PowerShell.

    • teqqra, Points: 95
      system admin with 4+ years experience

    • DeployGuy, Points: 94
      Windows Deployment Engineer

    • Stijn Verriest, Points: 94
      Working in ict for over 9 years. Managing infra for a small (>300 clients) company.

    • John Strode, Points: 94
      Help Desk (and whatever my boss asks me). A+, Network+, Security+, Project+, and MCTS: Microsoft Windows 7, Configuration

    • Mark, Points: 94
      Currently working as a DB admin / problem management type role for a large retail chain .  Still using batches and vbscripting but lately really giving an effort to learn powershell. It's not coming as easy as I had imagined

    • Qamar Nomani, Points: 91
      Qamar Nomani is a cloud security architect working for an MNC in India. He spends his evenings writing articles about tech, productivity, and entrepreneurship on his blog-Infortified, recording for his podcast "The Qamar Nomani Show", and making YouTube videos. Qamar...

    • Brendan W, Points: 91
      Microsoft-oriented systems administrator for more than 10 years. Automation enthusiast. Powershell evangelist.

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