The Roster


Jeff Scott Brown is the co-founder of the Grails and Micronaut frameworks, leads the Grails and Micronaut practices at OCI, and is also a Partner at OCI. He has been doing JVM application development for as long as the JVM has existed. He has spent most of the last decade focused specifically on work related to the Grails framework, is a key contributor to the frameworks’ core development, and recently co-founded the Micronaut framework.

You can find Jeff on Twitter @jeffscottbrown.


For nearly 20 years, Michael Carducci was a software engineer moonlighting as a magician. Now he's a magician moonlighting as a software engineer. In both endeavors he has dedicated himself to mastery and has gained deep insights both from his eclectic interests, entrepreneurial spirit, and experience that spans the full stack, the entire project lifecycle, and several technologies,

His time is equally divided between performing around the world, jumping out of perfectly good airplanes, and building software that doesn't suck. 

@MichaelCarducci /


James Kleeh is a member of the OCI Grails and Micronaut team and has been programming with Groovy and Grails for more than 6 years. He has deep knowledge of the full web stack, as well as a strong background in SQL database-centric applications.

James also has many years of experience in the education industry and has worked with many of the technology companies near his hometown. Beyond the world of software engineering, James enjoys science fiction, games, and spending time with his family in Youngstown, OH.



Zachary Klein is a software engineer and OSS contributor at OCI, where he supports Grails and Micronaut development efforts as well as consulting and training. He has been practicing web development in the JVM ecosystem since 2010 and has worked in a wide variety of domains, including real estate, analytics, and e-commerce.  Zachary is based in St Louis, MO along with his wife Beth, and their three children.


Dr. Venkat Subramaniam is an award-winning author, founder of Agile Developer, Inc., creator of, and an instructional professor at the University of Houston. He has trained and mentored thousands of software developers in the US, Canada, Europe, and Asia, and is a regularly-invited speaker at several international conferences. Venkat helps his clients effectively apply and succeed with sustainable agile practices on their software projects.

Venkat is a (co)author of multiple technical books, including the 2007 Jolt Productivity award winning book Practices of an Agile Developer. You can find a list of his books at You can reach him by email at or on twitter at @venkat_s.

@venkat_s /


OCI Grails team member, Ryan Vanderwerf, helps maintain a number of Grails plugins and serves as co-chair of the Groovy and Grails User Group in Austin, Texas. He is a member of the team that designed and developed Micronaut.

Prior to joining OCI, Ryan acted as Chief Systems and Software Architect and Director of Products at ReachForce and Lead Architect at His contributions included design and development of a Groovy, Grails, and AWS SaaS solution for marketing-data management and a SaaS solution that enables rapid deployment of developer program portals for companies specializing in the mobile industry. Ryan has also built Java- and Linux-based webcasting for events, such as SXSW, as well as telecom software and SaaS systems for the financial sector. He is co-author of the online textbook and training course, "Effective Gradle Implementation."