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Brandon Bergren

Senior Performance Engineer

Brandon Bergren has been a core Drupal contributor since 2006. He actively maintains the location and gmap modules, and formerly maintained the category module. He actively contributes to many other modules, adding features and improving performance as a hobby. Most recently, he rewrote the drupal.org project usage statistical collection and processing system, introducing the no-sql MongoDB database to the drupal.org infrastructure to solve performance problems.

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Bob Williams

Bookkeeper, HR Manager

Bob Williams joined the Tag1 team in 2010. He studied at Portland Community College where he earned his certification as an Accounting Clerk.

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Nathaniel Catchpole

Senior Performance Engineer | Technical Lead

Nathaniel Catchpole has been using Drupal since version 4.5, and has been a regular contributor to Drupal core since 2006; along with extensive code profiling, he has contributed over 400 patches to the Drupal 7 release. He also maintains the core entity, cache and taxonomy subsystems, as well as the memcache and entity cache contributed projects. In September 2011, Nathaniel became branch maintainer for Drupal 8. Nathaniel is a co-author of the O'Reilly book High Performance Drupal. He has been with Tag1 Consulting since September 2010.

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Karoly Negyesi

Senior Performance Engineer | Edge Case Specialist

Karoly Negyesi, better known in Drupal circles as ChX, has been a Drupal core contributor since 2004. He contributed more patches to core than anyone else and consequently maintains the most core subsystems -- no less than seven. He was the first leader of the security team and is on the team ever since. After scaling NowPublic.com to a Top 500 site by constructing one of the first Drupal-CDN integrations, he met his first real scalability challenge by architecting SCAN, a predictive newsdesk tool for discovering news events before they become mainstream and then following them using sources like Twitter and CNN. For SCAN, he was using MongoDB, a NoSQL database, before the word NoSQL even existed. He was the senior software architect for the re-launched Examiner.com, one of the largest Drupal sites which also based on MongoDB.

Doug Green

Senior Performance Engineer | Technical Lead

Doug is a 25 year veteran of software development. Doug is recognized as an expert in the Drupal community for inventing the coder.module (a static code flow analysis tool used by almost every Drupal developer), for his contributions to the Drupal core search module, and for his work in helping pioneer the use of the NoSQL database MongoDB with Drupal. Doug has given presentations at over half a dozen DrupalCon's on all of the above topics and more.

Doug was a key member of the team that built Examiner.com, the largest dynamic Drupal website built to date. His efforts as Release Manager is recognized to have helped the site launch months earlier than it might have done so otherwise. Doug published an article in Drupal Watchdog magazine about his ideas and experience in this role.

Doug has specialized in creating interpretive languages, on creating development tools that help other developers, on the development process itself, and on internet technologies. He believes software is functional art and infuses this belief in all his projects.

Long before Drupal, Doug contributed to the internet as early as 1985 with an internet protocol used by Scientists at Univerisities, he graduated from Cornell Engineering in 1986, was an Air Force officer through the late eighties, has an MBA, and was an entrepreneur of several small businesses over the next twenty years.

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Fabian Franz

Senior Performance Engineer | Technical Lead

Fabian enjoys architecting large websites for Universities, Non-Profits and Startups. He has done innovative work in terms of Scalability and High Performance for Drupal and Mobile Development. He is in general passionate about everything Open Source since GNU was born, which as it happens, is the same day as his birthday.

Fabian is always up to a challenge and has been an active Contributor to Drupal since 2009. He has spoken at DrupalCon Denver, DrupalCon Munich and DrupalCon Portland. In 2012 he started the work to get Twig into Core together with Jen Lampton and succeeded just 30 days after he learned about the project - thanks to a ton of pre-work by the community! Now he is the Technical Lead of the Twig initiative and and helps with other contributions to core and he is just loving it.

Interests: High Performance, High Availability, Twig, Drupal (of course), Open Source and Salsa-Dancing

Gerhard Killesreiter

Senior Performance Engineer

Gerhard Killesreiter has been a core Drupal contributor since 2002. He authored the original groups module, has improved the Drupal caching layer, and rewrote several of the Drupal locale and revisions subsystems. He was the core Drupal 4.7 maintainer from February of 2006 through February of 2008. He has been a member of the Drupal security team since it was created, and has served as the Drupal Association Infrastructure Manager since 2006.

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Jeff Sheltren

Senior Performance Engineer | Technical Lead

Jeff has been involved with open source since 2001. He started using Linux professionally at the University of California at Santa Barbara, where he was a Senior Systems Administrator and Programmer for the Computer Science department. From there, he went on to work at the Oregon State University Open Source Lab (OSL) as the Operations Manager, providing technical and organizational leadership to the OSL while working closely with the many open source projects hosted there, including Drupal.org, the Linux Foundation, and the Apache Software Foundation. Currently, Jeff works as a Senior Performance Engineer and Technical Lead at Tag1 Consulting.

Jeff has extensive infrastructure experience, gained over the years. As the Operations Manager at the OSU Open Source Lab -- the largest open source hosting infrastructure of its kind -- he led the infrastructure and development teams. He is involved in the CentOS Linux build and release process as a member of the QA team; and he works as a volunteer for the drupal.org infrastructure team. Jeff currently maintains a number of packages for the Fedora Project and Fedora's Extra Packages for Enterprise Linux (EPEL), and serves as the Lead Systems Architect for multiple Tag1 clients.

In addition to serving as Technical Editor and a frequent contributor to Drupal Watchdog Magazine, Jeff is also co-author of High Performance Drupal, written with Narayan Newton and Nathaniel Catchpole.

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Jeremy Andrews

Founding Partner/CEO

Jeremy founded Tag1 Consulting in 2007. He has been a contributing core Drupal developer since 2002, and helped establish Drupal as a successful CMS through the early popularity of his personal blog, KernelTrap.org. Over the years, he authored and maintained the core statistics module and throttle module, as well as the pager logic and the initial Drupal 5 installer. He continues to contribute to the Drupal caching layer, offers optimizations to the bootstrap process, and maintains a high performance patchset. He actively maintains numerous Drupal modules including the spam module, the support module, the ad module, and the dba module. Beyond Drupal, Jeremy is a networking guru that has maintained the source code for a UNIX-kernel based, EAL5+ certified, commercial firewall.

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Lin Clark

Senior Performance Engineer

Lin Clark is a Drupal core module maintainer (serialization, HAL, RDF) focusing on ways to get data into and out of Drupal. She has been a major contributor to the effort to bring RESTful Web Services to Drupal 8. In addition, she has developed Drupal modules for working with a wide array of data-interchange formats, from the 50-year-old MARC record format to cutting edge JSON-based standards still under active specification development.

Beyond Drupal, Lin is well known for her work with HTML data, particularly work involving microdata, RDFa, and Schema.org. She authored MicrodataPHP, a library for extracting microdata from HTML. She has also made contributions to the Symfony PHP framework. Her writings on technology have been featured in publications such as IBM developerWorks and she has presented to audiences from Shanghai to San Francisco.

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Marco Molinari

Senior Performance Engineer | Technical Lead

Marco Molinari has been using Drupal since version 4. He is the author of the taxonomy module, one of the features that has distinguished Drupal from its competitors. He has also authored many other modules including the original forum, image, private message and banner modules, and made several contributions to the core including performance and security patches, improvements to the comment system and localization and new user hooks. He uses Drupal to run one of the most popular Italian humor sites, working as author, developer and system administrator.

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Mark Carver

Senior Front End Performance Engineer

With over 10 years in the web development industry, Mark knows how to take design and user concepts and turn them into web reality. Always on the cutting edge of new and innovative web technology, Mark strives for nothing but pure excellence. From detailed and highly-usable interfaces to jaw-dropping and visually stunning designs, you can expect nothing more short of absolute perfection from Mark.

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Nedjo Rogers

Senior Performance Engineer

Nedjo has been a Drupal contributor since 2003, focused often on the nonprofit sector. His several Drupal core contributions over the years include the theme region system and Javascript behaviors. Nedjo has led Drupal development projects for clients including Sony Music and the Smithsonian Institute and currently is technical lead for the Drupal distribution Open Outreach.

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Narayan Newton

Partner/CTO

Narayan is a co-owner of Tag1 Consulting, who joined the team in 2008. He was introduced to Drupal during his tenure at the Oregon State University Open Source Lab where he was the co-lead system administrator, and served as their Database Administrator of over 180 MySQL databases, the Freenode Server administrator, and the Drupal.org Server Administrator. He is a permanent member of the Drupal Association as their Systems Coordinator, and is a member of the Drupal.org infrastructure team. He is also a co-maintainer of the Pressflow high performance Drupal distribution. Narayan is a co-author of the O'Reilly book High Performance Drupal.

Outside of Drupal, Narayan has been deeply involved in the FreeBSD, Gentoo and Slackware communities. He was a contributing editor and system administrator of a popular Linux community website. As a Google Summer of Code student he developed the KDE front-end to the SUSE System Update server, and became a KDE core committer in 2007. He also ported and updated the XML-RPC system to KDE3 and KDE4.

More recently, he acted as infrastructure lead for the examiner.com 2.0 re-launch and infrastructure lead for the drupal.org redesign launch. Narayan is currently Chief Technology Officer at Tag1 Consulting.

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Peta Hoyes

Account Manager | Project Manager

If Stanford University had been handing out Social Engineering degrees, Peta Hoyes would have graduated magna cum laude. Instead, she leveraged their Mechanical Engineering program as a launch pad for using technology and digital media to build practical solutions for extraordinary people. The one-time entrepreneur and current manager at Tag1 Consulting has finessed all aspects of the website development process for a diverse client list.

What drives her is making technology transparent and usable; creating highly efficient virtual teams; and furthering the mission of game-changing organizations using open source technology.

While managing Tag1's distributed team of unparalleled performance engineers from her home base in New York City, she likes to say that she optimizes the team who optimizes the machines.

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Randy Fay

Senior Performance Engineer

Randy is a long-time Linux lover, developer, and Drupal addict. He's done everything from TRS-80 and Apple ][ development through Solaris kernel work in 'C' to Drupal 7 core development and the Examples project. All along he's loved servers, networking and reliable, predictable best practices, so infrastructure and DevOps are now his focus.

In his spare time he does lots of mountain biking and hiking in beautiful western Colorado. His formal education includes a Masters in Computer Science from the University of Colorado at Denver.