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This article was published on April 12, 2011

    The 25 Most Influential People Tweeting About Cloud Computing

    The 25 Most Influential People Tweeting About Cloud Computing

    In 2009, cloud computing went mainstream to become one of the biggest tech buzzwords of the year 2010. “Take it to the cloud!” has become a popular motto for large enterprises, small businesses and start ups. Cloud computing services exist along a spectrum from open public to closed private. Gartner expects all large enterprises will have a dynamic sourcing team in place by 2012 that is responsible for ongoing cloudsourcing decisions and management.

    We partnered with PeerIndex, again, to come up with a list featuring the 25 most influential people on Twitter on the topic of cloud computing. Our top 25 list is not ranked based on their overall PeerIndex score , but based on each one’s topic resonance score, which measures how their actions within cloud computing community resonant with the community.

    You can follow our list of Cloud Computing’s top 25 influentials on Twitter or get more info on the PeerIndex group we’ve created to stay on top of the latest news, insiders’ insights and emerging trends in cloud computing.

    1. Jeff Barr

    PeerIndex: 65

    It comes as no surprise to find someone from Amazon on our #1. Jeff Barr is a Senior Manager at Cloud Computing Solutions at and a Web Services Evangelist. If you simply can’t get enough of his tweets, you can read his blog here.

    Follow @jeffbarr

    2. Werner Vogels

    PeerIndex: 66

    Werner Vogels is the CTO of Amazon and was one of the speakers of TheNextWeb conference in 2010

    Follow @werner

    3. James Urquhart

    PeerIndex: 65

    Urquhart describes himself in his Twitter bio as: “Father, husband, technologist, author: The Wisdom of Clouds (CNET), cloud computing SME” You can read his posts on cloud computing here.

    Follow @jamesurquhart

    4. Vanessa Alvarez

    PeerIndex: 66

    Vanessa Alvarez works as an analyst with Forrester covering storage. Her focus as a researcher is primary on storage architectures and strategy, the evolution of these as they relate to converged infrastructure and cloud computing scenarios.

    Follow @vanessaalvarez1

    5. Reuven Cohen

    PeerIndex: 65

    Founder of Enomaly, a world wide leader in Cloud Computing and creator of the CloudCamp series of events around the globe. You can read Cohen’s blog here.

    Follow @ruv

    6. Krishnan Subramanian

    PeerIndex: 63

    Better known as Krish, he is an industry analyst covering Cloud Computing and Open Source, an advisor, entrepreneur and blogger.

    Follow @krishnan

    7. William Toll

    PeerIndex: 67

    A cloud computing marketing professional that holds the position of VP, Marketing at the web performance company Yottaa.

    Follow @utollwi

    8. Dana Gardner

    PeerIndex: 63

    Gardner is president and principal analyst at Interarbor Solutions. He is also a blogger and podcaster.

    Follow @Dana_Gardner

    9. Mårten Mickos

    PeerIndex: 61

    The former CEO of MySQL is now the CEO of Eucalyptus Systems. Eucalyptus Systems delivers private cloud software that enables enterprises and government agencies to establish their own cloud computing environments.

    Follow @martenmickos

    10. Simon Wardley

    PeerIndex: 63

    Wardley currently works as a Researcher at Leading Edge Forum (CSC). You can read his posts on his personal blog “Bits or pieces?”.

    Follow @swardley

    11. Christofer Hoff

    PeerIndex: 63

    Director, at Cloud & Virtualization Solutions, STBU, Cisco Systems, Hoff is a busy man as he is also founder at HacKid and founder & Chief Goat Herder at CloudAudit. Read his blog here.

    Follow @beaker

    12. Michael Sheehan

    PeerIndex: 62

    Based in San Francisco Bay Area, Sheehan is a technology evangelist at GoGrid and blogger at

    Follow @HighTechDad

    13. Greg Knieriemen

    PeerIndex: 63

    Co-host at Infosmack, podcast on enterprise tech and  Vice President at Chi Corporation

    Follow @Knieriemen

    14. Zoli Erdos

    PeerIndex: 63

    Editor, publisher at CloudAve and Enterprise Irregulars. Erdos is also a startup advisor and Program Chair at SVASE (Silicon Valley Association of Startup Entrepreneurs)

    Follow @ZoliErdos

    15. Randy Bias

    PeerIndex: 60

    CTO and Co-Founder at Cloudscaling, a cloud computing consulting firm

    Follow @randybias

    16. George Reese

    PeerIndex: 62

    Founder and CTO of enStratus Networks, founder of Valtira and O’Reilly Cloud Author.

    Follow @georgereese

    17. Simone Brunozzi

    PeerIndex: 61

    Amazon Web Services Technology Evangelist for Asia Pacific (APAC), read his personal blog here.

    Follow @simon

    18. Joe Baguley

    PeerIndex: 61

    CTO Europe at Quest Software

    Follow @JoeBaguley

    19. Denise Dubie

    PeerIndex: 62

    New Media Principal at @CAInc, editor/writer/techie focused on IT management, automation, service assurance @CAsvcAssur

    Follow @ddubie

    20. Jeremy Geelan

    PeerIndex: 58

    President & COO at Cloud Expo, Inc., Chairman at 21st Century Internet Group, Inc, Media Advisor at Kaazing Corporation and Founder at Web 2.0 Journal & Green Technology Journal

    Follow @jg21

    21. Rod Trent

    PeerIndex: 64

    Global Social Media, Community Manager at 1E and CEO, Owner at, Inc

    Follow @rodtrent

    22. James Governor

    PeerIndex: 65

    Principal Analyst and co-founder at RedMonk

    Follow @monkchips

    23. Stephen Foskett

    PeerIndex: 61

    Foskett Services, community organizer at Gestalt IT and File System Storage MVP at Microsoft

    Follow @sfoskett

    24. Sam Johnston

    PeerIndex: 63

    Technical program manager in the Site Reliability Engineering team at Google Switzerland

    Follow @samj

    25. Riitta Raesmaa

    PeerIndex: 67

    Entrepreneur, Founding Partner at Sopima. You can read her blog in English and Finnish.

    Follow @raesmaa

    Don’t forget you can follow how the Top 25 changes over time via our PeerIndex group and do let us know if we missed one of your fave thinkers on cloud computing in the comments.