Hamza Muhammad Khan is a Karachi-based DevOps and cloud engineer who climbed from supporting small-scale WordPress deployments to managing infrastructure at DigitalOcean as an Engineer II before moving into banking-sector DevOps at Bank Al Habib Limited. Educated at NED University (Master's in Computer Science, 2023) and the University of Karachi (Bachelor's in Computer Software Engineering, 2019), he specializes in Linux administration, Kubernetes, Docker, and cloud platform operations - and moonlights as a blockchain tinkerer and machine-learning experimenter on GitHub.
Brendan Gregg is an Australian systems performance engineer at OpenAI, where he works on datacenter optimizations for ChatGPT. He invented flame graphs and the USE Method, pioneered eBPF observability, and is the author of landmark books including 'Systems Performance: Enterprise and the Cloud'. His work is credited with saving the industry over $1 billion in compute costs. Previously an Intel Fellow and performance engineering leader at Netflix, Gregg is one of the most influential engineers in Linux and cloud infrastructure.
Daniel Stenberg is a Swedish software engineer and the creator of curl and libcurl, tools found on an estimated 20-40 billion devices worldwide - from smartphones and smart TVs to spacecraft and every Windows and macOS installation. A self-taught programmer who began on a Commodore 64 at age 14, he has spent over 25 years maintaining one of the internet's most foundational software projects. He currently works at wolfSSL providing commercial curl support, sits as President of the European Open Source Academy, and contributes actively to internet standards through the IETF. His weekly newsletter chronicles his ongoing work simplifying, securing, and extending curl.
Justin Garrison is a platform engineering veteran who helped launch Disney+ from zero to 50 million subscribers, spent 3.5+ years as a Senior Developer Advocate at AWS working on EKS, and now serves as Head of Product at Sidero Labs. He co-authored 'Cloud Native Infrastructure' with O'Reilly, hosts the Ship It! and Fork Around and Find Out podcasts, and is one of the original chairs of the Kubernetes SIG on-prem. He's known for critical, no-hype takes on cloud native trends and a deep commitment to open source community.
Kris Nóva (1987-2023) was a principal engineer at GitHub, co-founder of The Nivenly Foundation, author, alpinist, and transgender activist who shaped the cloud-native infrastructure world. Best known for creating kubicorn, the Aurae runtime, and co-authoring Cloud Native Infrastructure with O'Reilly, she lived a life of radical generosity - growing Hachyderm from 700 to 40,000 users, founding the Privilege Escalation Foundation to support gender minorities in STEM, and writing Hacking Capitalism to help marginalized technologists navigate an industry that had once left her unhoused. She died on August 16, 2023, in a climbing accident in Seattle.
Tyler Cipriani is an Engineering Manager for Release Engineering at the Wikimedia Foundation, where he has overseen the weekly deployment of MediaWiki to nearly 1,000 production wikis since 2015. Based in Longmont, Colorado, he is a vocal advocate for open source sustainability, a thoughtful writer on software engineering and management, and an award-winning homebrewer with a liver transplant survivor story that underscores his resilience. His blog at tylercipriani.com spans git internals, code review culture, remote work, and municipal broadband advocacy - all written with rare clarity and personal conviction.
Muhammad Usman Rao is a Product Manager at DigitalOcean, where he leads cloud-native product initiatives focused on scaling and securing server solutions. With over four years of experience in cloud infrastructure and IT, he transitioned from a hands-on Cloud Engineer role to driving product strategy at one of the world's leading cloud platforms. Based in Pakistan, he holds a BBA from Iqra University and has previously worked at Softnation Technologies, Digitonics Labs, and SBT.