Speakers

Juan Gomez Lagandara

Masters Student

Vanderbilt University

We're featuring over 150 world-class speakers at All Things Open 2025

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Senior Software Developer

Katie Steen-James

Senior US Policy Manager

Open Source Initiative

Gabriel Toscano

US Policy Intern

Open Source Initiative

Jon “maddog” Hall

Board Chair Emeritus

Linux Professional Institute

Sr. Accessibility Program Manager

CEO & Chief Data Scientist

DataCrunch Lab, LLC

Melissa Nysewander

Head of AI Center of Excellence, Workplace

Fidelity Investments

Eric D. Schabell

Director Community & Developer

Lisa-Marie Namphy

Director, Developer Relations

Roja Eswaran, PhD

Senior Engineer

Attendees can choose from over 150 sessions on a variety of topics

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Managing Partner

MS3IT Business Solutions

Matthew Mullins

Head of Product Strategy for Next-Generation AI Technology

Executive Director

Senior Software Engineer

PayPal Braintree

Solutions Architect

The 2025 speaker lineup is truly out of this world!

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Senior Field Compute Technology Manager

Akamai Technologies

Senior Developer Evangelist

Splunk (A Cisco Company)

Senior Principal Engineer

OpenInfra Foundation

Bekah Suttner Cheek

Senior Software Engineer

Matthew Sanabria

Solutions Software Engineer

Oxide Computer Company

Compiler Team Lead

Developer Content Strategist

Avindra Fernando

Software Consultant

Taprobane Consulting

Dipanjan Haldar

Director, Full Stack Engineering

Fidelity Investments

Anupama Pathirage

Director and Head of Engineering - Integration

Open Source Community Manager

The overall vibe at ATO is always positive, fun and exciting, and the experience ... second-to-none

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Senior Engineer

OpenTofu/Spacelift

Editor in chief

Principal Engineer

Budhaditya Bhattacharya

Director of Product Ecosystems (DoPE)

Christy Bergman

Staff Developer Advocate - Cloud Native and Service Development

Senior Developer Advocate

DE and Director of Open Technologies

As always, influential technology and business leaders are participating

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Head of Open Source Security

Software Engineer

IT Support Analyst II

Bigfoot Systems

Senior Serverless Developer

Serverless Guru

Principal User Experience Designer

Fidelity Investments

Join thousands for the largest open source/web/tech conference on the U.S. East Coast

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Professor / Founder & CEO

Duke University / Tensor and Trust

Software Engineer & Creator, Apache Gluten

Rachel Roumeliotis

Punch Tape Consulting

Developer Experience Engineer

Distinguished Engineer

Courtney Yatteau

Developer Advocate

Founding Engineer

Center for IoT Engineering and Innovation

Managing Director

Open Source Technology Improvement Fund, Inc

Principal Developer Advocate

Principal Software Engineer

Community Manager

Executive Director / GM of AI

PyTorch Foundation / Linux Foundation.

Head of DevRel and Marketing

Senior Developer Advocate, Open Source Strategy

Software Engineer

Senior Product Lead

Jimmy Zelinskie

Community Manager

Bryan Behrenshausen

Open Source Program Manager

SAS Institute Inc.

Head, Automation and Metadata Management

Cornell University Library

Developer Advocate

Principal Consultant

Ritah Nabaggala

Customer Success Engineer

Software Engineer and Researcher

Senior Developer Advocate

Wikimedia Foundation

Staff Developer Advocate

Katherine Druckman

Open Source Evangelist

Roberto Luna Rojas

Sr Developer Advocate

David vonThenen

Principal Developer Relations Engineer

Staff Software Engineer, Content Creator

Vice President, Postgres Evangelist

Chief Experience Officer

VP, Developer Experience Engineering

Technology Reporter

Head of Developer Advocacy & Technical Product Marketing

Senior Technical Staff Member

Head of the Amazon Open Source Program Office/Chair

Amazon/Linux Foundation Board

Sumanth Kadulla

Developer Advocate

Executive Director

Open Source Endowment Foundation

MySQL Senior Architect

Product Lead, AI

Head of Open Source

Senior Staff Software Engineer

Senior Developer Advocate

President and Lead Trainer

Tech Skills Transformations

CEO/City Manager

City of Peachtree Corners

Staff Developer Relations

Helen Hou-Sandi

Staff Software Engineering Manager, Accessibility Engineering

Senior Manager, Staff Software Engineering

Haimantika Mitra

Developer Advocate

Product Designer

Salesforce, Inc

Senior Principal Field Engineer

Lahari Chowtoori

Technical Program Manager, AI/ML

Brian Muenzenmeyer

Principal Engineer

Principal Developer Advocate

Jonathan Wright

Infrastructure Lead

AlmaLinux OS Foundation

Principal Technical Writer

Senior Site Reliability Engineer

Director of Partnerships

Distinguished Software Developer

SAS Institute, Inc.

Director, Developer Advocacy

Director of Community

Senior Cloud Engineer

Fidelity Investments

Itamar Friedman

CEO and Co-founder

Dr. Ruth Akintunde

GenAI Lead, Data Governance

SAS Institute Inc.

Data Science Manager

Software Engineer

Principal Systems Engineer

Director of Editorial and Social Strategy

Community Manager

Open Source Initiative

Jim Scarborough

Neurodiversity Consultant & Software Engineer

Kiteframe, L.L.C.

Staff Developer Advocate

Lawrence Lockhart

Senior Developer Advocate

Global VP of Developer Relations

Du’An Lightfoot

Sr. AI Engineer

Developer Advocate

Eduardo Patrocinio

Principal Solutions Architect

Amazon Web Services

Senior Principal Engineer

Jessica Schumaker

Staff Manager, Software Engineering

Software Architect

VP of Data Products

Monica Miyasato

Staff Developer Community Manager

Alex Kretzschmar

Head of Developer Relations

Linda Ikechukwu

Developer Advocate

Co-Founder & CEO

Vladimir Levijev (AKA dimir)

Software developer

Tatiana Krupenya

Senior Developer Advocate

Community Evangelist

Senior Software Engineer

MySQL Developer Advocate

Global Field CTO

Dave McAllister

Sr OSS Technologist

Senior Cloud Engineer

Fidelity Investments

Lachlan Evenson

Principal Program Manager

Azure Cloud Native Ecosystem

Calvin Hendryx-Parker

CTO and AWS Hero

Adrienne Braganza Tacke

Senior Developer Advocate

Program Manager

Chief AI Officer

Knowledge Reactor

Adhithi Ravichandran

Software Consultant, Author, & Speaker

Surya Consulting, Inc.

Senior Cloud Engineer

Fidelity Investments

VP of Developer Relations

Jeff Blankenburg

Principal Developer Advocate

Michael Brantley

CTO & Co-Founder

Developer Advocate

Public Policy Adviser

Open Source Initiative

Open Source Advocate

Aneesha Vallabhaneni

Director, Enterprise Cloud and Platform Engineering

Fidelity Investments

Director of Open Source

VP for AI Models

Tiffany Jernigan

Senior Developer Advocate

Staff Cloud Architect

Senior DevOps Architect

Frank Karlitschek

Distinguished Engineer

Viral Chhasatia

Open Source Engineer, OSPO

Barry Peddycord III

Open Source Program Manager

Head of Accessibility

Engineering Lead

Senior Distinguished Engineer

Chair, Board of Directors

AlmaLinux OS Foundation

Developer Advocate

Staff Software Engineer

Venkat Venkatakrishnan

Principal Data Advisor

Gokul Prabagaren

Lead Software Engineer

Senior Developer Advocate

Ricardo Ferreira

Developer Relations Lead

Director, AI/ML Engineering

Fidelity Investments

Senior Developer Advocate EMEA

Stephanie Taylor

Google Summer of Code Lead

Principal AI Solutions Engineer

Director, Office of Digital Opportunity

N.C. Department of Information Technology’s Office of Digital Opportunity

Allen Vailliencourt

Solutions Engineer

Executive Director

Apereo Foundation

Director, Developer Evangelism

Splunk, a Cisco Company

Jason Lengstorf

Vice President of Developer Relations

Staff Developer Advocate

US Developer Relations Lead

Denitresse Ferrell

Culture Refinery

Head of Open Source

VP of Global Community

Developer Advocate/Appwrite Hero

Vonage/Appwrite

Dr. Venkat Subramaniam

Agile Developer, Inc.

Duane O’Brien

Director of Collaborative Engineering

InnerSource Program Lead

DevOps Support Engineer

Sujeily Fonseca-Gonzalez

Software Engineer Manager, Technical Program Manager, Technical Leader

CEO & Co-Founder

Developer Advocate

Senior Developer Advocate

Dr. Shakira J. Grant MD, MSCR

CROSS Global Research and Strategy

Federico Lucifredi

Product Management Director

Ron Efroni Rotman

President and Co-Founder/CEO

NixOS Foundation and Flox

Senior Developer Advocate

Prinicpal Product Manager

Vice President of Developer Relations

WeAreDevelopers