Our Team

Serge Blazhievsky

Serge Blazhievsky Serge Blazhievsky is an experienced developer and architect with a rich background in C++/Java and distributed systems. His latest venture, LiveOps, Inc. uses Hadoop infrastructure for all reporting needs. LiveOps Hadoop framework was completely designed by him and satisfies very strict performance and availability requirements. Serge's prior ventures include Attributor, Inc. where he designed Hadoop infrastructure used for Internet crawling and web-page analysis. He holds a Masters Degree in Computer Engineering from Santa Clara University, CA, located in the heart of Silicon Valley. Serge is a regular attendee and contributor to various Hadoop conferences including Hadoop User Group at Yahoo, the creator of Hadoop.

Guy Cole

Guy Cole Guy Cole is a freelance designer/developer with extensive industry experience. He is the author of a growing list of Android and iPhone applications (search for "digiburo" within the Android market or iTunes App Store). Guy is a former UC Berkeley Extension instructor with years of classroom experience. As a contractor, Guy has developed applications for companies such as Cray Research, Cisco Systems, Motorola, Wells Fargo Bank, Barclays Global Investments, DHL Airways, and many smaller, less well known companies. Guy completed a BSCS from San Diego State and holds multiple industry certifications.

Ruven Hannah

Ruven Hannah Ruven Hannah is a technical trainer of programming languages and web technologies – Java, C, Unix Shell Scripting, Ajax, XML, JavaScript. His impressive resume both as a developer and instructor boasts names such as Texas Instruments, IDEO Interactive, AcademyX, and Webucator. Over the course of his teaching career, Ruven has earned a reputation as a an engaging and passionate instructor, encouraging analytical thinking and clarifying complex topics.

Ken Hui

Ken Hui

Ken is a veteran of the Silicon Valley with more than 25 years of experience in the IT industry at IBM, Sun, Cisco, Juniper, VMWare and many other companies. His strength lies in strong hands-on knowledge of the overall IT infrastructure. In his most recent career, Ken focuses on providing Consulting services on VMWare and Linux platform.

Ken has two Masters Degrees in Computer Science and Economics, respectively, from University of California, Davis.

Marco Maertens

Marco Maertens Marco Maertens is a web developer, technology trainer, and web accessibility/Section 508 consultant based the Philadelphia, PA area. With over 10 years experience in development, Marco has also taught classes on such topics as XHTML, JavaScript, MySQL, ColdFusion, ASP, and Web Accessibility/Section 508 to name just to few to the National Institute of Standards and Technology, SRA, Fannie Mae, the University of Maryland, Lockheed Martin, and America Online, among others. Marco currently devotes most of his time focusing on web accessibility/Section 508 issues, conducting audits, training, and consulting for clients such as Walgreens, Sesame Workshop, and Fieldprint.

Jim McKeeth

Jim McKeeth

Jim is a veteran software developer, community activist, podcaster, blogger, trainer and conference presenter with 20 years of experience. He is developer evangelist for RemObjects Software where he travels the globe teaching and inspiring developers to achieve new levels of success in their development efforts. Jim's belief that training should be fun and informative is evident by his creative style.

Jim presents at conferences all across North America and Europe. Most recently he was one of the top presenters at the 4 day AnDevCon conference in California presenting four advanced sessions on topics ranging from web services to multiplatform development. When he isn't travelling and training he enjoys spending time with his family in Boise, Idaho.

Michele (Micky) Metts

Michele (Micky) Metts Micky helps small businesses and entrepreneurs create and maintain Websites, using Drupal. She acts as a freelance Drupal Administrator/Developer for individuals and small companies. Drupal is a CMS – content management system. Micky has been involved with the Drupal community since 2006 and has created Websites for clients while teaching them how to update and maintain their sites. She began teaching Drupal Basics and Introduction to Drupal in 2008 to clients, and found that there was a need to get this information out to a larger audience – anyone that has a message, a product or a service.

Adrian Mikeliunas

Adrian Mikeliunas Adrian has been a Linux fan since 1995, and has learned the fun and profitable ways of Linux. He created many interesting Linux and Open Source projects at the World Bank, still in use today. International speaker, published author and Information Security Specialist, currently employed by AT&T Consulting.

Richard Muniz

Richard Muniz Richard Muniz, the Founder of RJM Computer Consulting LLC, helped several companies prepare for SOX auditing, and also been in the middle of making sure they went well, providing information, and finding solutions to issues uncovered. Richard is a 15 year veteran in Systems Administration with experience ranging from Windows Administration to Virtualization to Security to Disaster Planning and Recovery and Cisco routing. A former detective and science major, Richard brings the ability to ask questions and to find answers in his field. Richard has several industry certifications and is also a teacher, having taught computer application courses for FEMA and the Colorado Fire Marshals office. He is as also an online teacher for Saisoft in California.

Ken Restivo

Ken Restivo Ken Restivo has been a Linux user, sysadmin, and developer since 1999. He has worked as a sysadmin for various clients in the Bay Area including Taos consulting. He has been a product manager at Nortel Networks and done web development for several non-profit agencies. He's currently a working musician who uses Debian Linux with a custom real-time kernel as his primary live performance instrument, and has produced several CDs entirely using Linux.

Arin Sime

Arin Sime Arin is an experienced IT leader with over 13 years of experience as a developer, project lead, architect, and entrepreneur. Arin is a strong proponent of Agile software development practices and has spoken at the Agile2009 and Agile2010 conferences, as well as a number of local user groups. Arin has led Agile process consulting engagements with clients, as well as completed in-depth industry analysis and process analysis engagements. Arin has developed software in most leading languages, including .NET, Ruby on Rails, Groovy on Grails, Java, and PHP. Arin holds a Masters in Management of IT (MSMIT) from the University of Virginia's McIntire School of Commerce.

Doug Stevenson

Doug Stevenson Doug Stevenson is an experienced developer and architect with a rich background in Java, C++ and mobile software systems. He has been a software developer for over 16 years, with last three years spent specifically on writing Android applications. His Android venture started when he became an early adopter of an Android device as they first hit the market in 2008. His popular application, “Act 1 Video Player”, has had over 40,000 downloads on the Android Market since its release and has become the “de facto” third-party Android video player. Doug has won prizes for Google’s Android Developer Challenge 2 and Google I/O 2011. He studied Computer Science at Ohio State University and has held principal software positions with several high-profile companies such as Motorola and America Online. He is a regular attendee and contributor to various Android conferences and Android user groups throughout the country.

Andre Susantin

Andre Susantin Andre Susantin has over ten years of software development experience ranging from startups to fortune 500 companies. He has a wide technologies expertise and is a passionate instructor. Andre holds M.S. in Information Technology and B.S. in Electrical Engineering from San Francisco State University.

Boris Tulman

Boris Tulman Boris Tulman is a ten-year veteran in Networking and Network Management Systems, with professional experience designing and implementing different network technologies in ISP, e-commerce and social networking site environments. Boris holds M.S. in Software Engineering from San Jose State University, B.S. in Computer Science from San Francisco State University, and numerous industry certifications.

Leon Yen

Leon Yen

Leon L. Yen is a seasoned technologist and developer with over a decade of experience building web solutions and managing IT and web infrastructures for industry stalwarts such as HP/Palm, IBM Internet Security Solutions, and SAP-BusinessObjects, to name a few. He is well-versed in web programming and frameworks, and specializes in building customized application development for both enterprises and startups.

Leon holds a B.S. in Information Systems from the University of San Francisco, and an MBA from the University of North Carolina, Charlotte.