AMBASSADORS

Manager Software R&D at Broadcom Corporation

Dan Kelosky is a Software Architect helping to build Devops and Zowe solutions within Broadcom.  Dan started mainframe development in 2009 coding IBM assembler and Metal C.  He has since written code for web UIs (HTML, CSS, & Typescript), for distributed systems (C++, Java, & Node.js), and for desktop applications (Node.js, Rust).

Domenico D’Alterio is the IBM Principal Product Manager focused on The Linux Foundation’s ZoweTM and IBM Z distribution for Zowe projects. He contributes to the open-source project strategy and direction as well as market success of IBM Z distribution for Zowe.

Prior to his current role, Domenico was the Product Manager for offerings in the IBM Z AIOps area working on the strategic directions of multiple offerings. In the previous years, he covered different managerial positions in IBM Development and Customer support organization as well as the role of Product Manager of Z Analytics products, Domenico joined IBM in 1999. Starting as designer, moved to a managerial role in 2006, acting as Development and Customer Support manager in the former Tivoli division of IBM. He graduated in Electronic Engineering, in Italy.

Dong Ma is a Software Engineer at IBM and active contributor of Open Mainframe Feilong project. He now works on IBM Cloud Infrastructure Center, offering on-premises cloud deployments on the IBM Z and IBM LinuxONE platforms. He’s been an active technical contributor to OpenStack since the Liberty release, focusing on Jenkins, OpenStackCI and QA. He has previously been a speaker at OpenStack Summit, LCA2017, LinuxCon Japan, FOSSCON and the other open source conference.

She has previously worked on distributed systems, including OpenStack and Apache Mesos, and has written books on Ubuntu and OpenStack. She is a regular speaker and keynoter at open source conferences around the world.

is a Software Engineer at Broadcom Corporation

Greg works on Open Mainframe technologies at Broadcom, which includes both CA Brightside and Zowe open source efforts. Greg has experience spanning both the mainframe and distributed worlds. Over the past several years, he’s worked on various projects to modernize and open up the mainframe. The most recent of these is Zowe. As part of the CA Technologies team that first joined Zowe (zlux then), he drove getting the API Mediation Layer accepted and contributed to the open source initiative.

Hartanto is a computer science student from Singapore Management University. He is currently a committer for the COBOL Programming Course after participating as a mentee during the Open Mainframe Project 2021 Summer Mentorship. He aimed to improve the content of the course with various addition and assists new learners to incorporate COBOL as a part of their tech toolkit.

I am a technological enthusiast interested heavily in Open Source and Security. At the moment, I am invested specifically in the Zowe project, where I have the role of Zowe TSC Chair, as well as API Mediation Layer squad lead.

Previously I have been involved in a variety of companies and projects within the IT industry including the Earth Observation and projects for European Space Agency and cooperation on Open Source projects with NASA. I co-authored a book on topic of accessibility for people with Dyslexia – Dyslexia and Accessibility in the Modern Era: Emerging Research and Opportunities. I’ve been presenting various papers on conferences focusing on Earth Observation, Open Source and Mainframe. In my free time, I climb, dance tango argentino, and play and organize larps.

Jerry Edgington has 35+ years of zSeries system programming experience, including z/OS, z/VM, and Linux on Z.

Jessielaine is a modern mainframe engineer who has experience in both mainframe and distributed systems. She is passionate about finding new solutions to modernize the mainframe and sharing it with the community through her blogs and video tutorials.

Joe has spent his career enabling application development on the mainframe,
from the early days of Unix Systems Services through the current open source
era.  He has spent several years as part of the Open Data Analytics development
team.  He is currently focused on secure open source ecosystems that allow both
the adoption of open software on the mainframe, and the integration of the
mainframe into these ecosystems.

Joe is a senior technical staff member at IBM, where he has been involved with open source projects for many years including the Java language specification, the Eclipse foundation and its tooling, and more recently Zowe where he has been involved with the project since its inception. He presents regularly on Zowe at conferences, both in-person and virtual ranging from large events like Share, Z Technical University through to customer 1:1s and more intimate smaller user groups. UK based and happy to join calls in any time zone and loves nothing more than to switch out of point, start doing ad-hoc demos and helping to get discussions going with mainframers to help grow the adoption of open source technology to solve real world problems.

Lead Product Developer at BMC Software, Inc

Long time mainframer have been a customer as well as a creator of mainframe software working for IBM and Broadcom. One of the original comitters to the Zowe project and helped the formation of Zowe at the Open Mainframe Project.

A frequent speaker and blogger on Zowe, the first open source project for z/OS, Michael runs interactive workshops with customers interested in incorporating mainframe in their enterprise DevOps initiatives. Beyond the Zowe CLI, Michael has been involved with the Zowe Explorer VS Code Extension, the emerging suite of Zowe SDKs, as well as the Open Mainframe Project’s COBOL Programming Course.

Michael leads the Product Management team for the Open Mainframe technologies at Broadcom, which includes responsibility for CA Brightside as well as Broadcom’s open source activities including Zowe. Michael has more than 35 years of experience with Mainframe application development and programmer productivity solutions as a developer, functional manager, Product Owner and Product Manager. Michael contributes to the Zowe community as an active participant in the Zowe Advisory Council and Zowe Onboarding Squad.

Richelle is a mainframer, COBOL developer, and Zowe committer to the Zowe Explorer Squad. She has over 10 years of mainframe experience in the various aspects of the field. In her current role, she enjoys developing new solutions for modern mainframe developers, working on integrating z/OSMF and Zowe with the internal software development process.

Rose is  responsible for Zowe CLI, Zowe Support and solutions that integrate mainframe developers with modern tooling and enable DevOps for the Enterprise. She has lead sessions at SHARE, CA World, DevOps.com, and various worldwide Broadcom Product User Groups. She has over 30 years of experience in technology roles including application development, systems programming, operations, product administration, consulting services and product management.

She is contributing to openSUSE for 10 years. In the year 2020, she wrote her Bachelor’s Thesis about Kubernetes-based Open Source Projects on IBM Z at IBM. Afterward, she has received the reputation into the Release Engineering Team of openSUSE and she is responsible for s390x. She is also a Founder of the Linux Distributions Working Group at the Open Mainframe Project. Sarah is a Public Speaker, loves sharing her knowledge, and is contributing in general to Linux on Z besides her job as a DevOps Consultant at Accenture.

Steven Dickens is Vice President of Sales and Business Development and Senior Analyst at Futurum Research. Operating at the crossroads of technology and disruption, Steven engages with the world’s largest technology brands exploring new operating models and how they drive innovation and competitive edge for the enterprise. With experience in Open Source, Mission Critical Infrastructure, Cryptocurrencies, Blockchain, and FinTech innovation, Dickens makes the connections between the C-Suite executives, end users, and tech practitioners that are required for companies to drive maximum advantage from their technology deployments. Steven is an alumnus of industry titans such as HPE and IBM and has led multi-hundred million dollar sales teams that operate on the global stage. Steven was a founding board member, former Chairperson, and now Board Advisor for the Open Mainframe Project, a Linux Foundation Project promoting Open Source on the mainframe. Steven Dickens is a Birmingham, UK native, and his speaking engagements take him around the world each year as he shares his insights on the role technology and how it can transform our lives going forward.

Sudharsana is a Program Manager with the IBM Z Ecosystem team. She has worked on several programs, most prominently the COBOL Course that launched on the Open Mainframe Project, and currently co-leads the Technical Steering Committee of the project. As an entrepreneur, she helped launch bay area startup ‘Mom Relaunch’, where she continues to be an advisory member of the board. She is also a core team member of a non-profit organization AIM for Seva that works to bring education to underprivileged children in India.

Timothy is a Software Engineer at Broadcom and an active member of the Zowe Command Line Interface Squad since 2019. He is a committer for Zowe CLI, Zowe SDKs, and Zowe Explorer. Timothy has developed desktop applications in Node.js, Python, C#, and Rust, created web UIs in HTML, CSS, and JavaScript, authored CI/CD workflows in Groovy and TypeScript, and is keen to integrate modern technologies with the mainframe.