Muhammad Zubair Khan is a professional with a Pakistan-registered LinkedIn presence under the handle mzubairmehsood. Beyond his LinkedIn profile, verifiable public details about his career, role, and background are limited, so this profile records only what can be confirmed from public sources and leaves the rest open rather than guessing.
Noureddine Tayebi is the founder and CEO of Yassir, North Africa's most valuable tech startup and the leading super app for francophone Africa. Born in Algiers in 1977, he earned a PhD in electrical engineering from Stanford University after completing a master's degree at the University of Illinois Urbana-Champaign. He spent eight years at Intel in Silicon Valley accumulating over 50 patents before founding InSense, a nano-motion sensor startup acquired by Mojo Vision in 2018. In 2017, he co-founded Yassir, which has grown to serve 8 million+ users across 45 cities in six countries, offering ride-hailing, food delivery, grocery delivery, and fintech services. Yassir has raised $193.25 million in total, including a historic $150M Series B led by Mary Meeker's BOND, cementing Tayebi's position as a defining figure in Africa's digital economy.
Mark Rober is a former NASA Jet Propulsion Laboratory engineer who spent seven years working on the Curiosity rover before becoming one of YouTube's most-watched science communicators with 77+ million subscribers. He founded CrunchLabs in 2022, an edtech company delivering hands-on STEM subscription boxes for children, and has helped raise over $94 million across three viral philanthropic campaigns (Team Trees, Team Seas, Team Water). In 2026 he invested $60 million to build Class CrunchLabs, a free STEM curriculum for teachers.
William Osman is an American engineer turned YouTuber whose channel turned a homemade 80-watt laser cutter into a comedy career. He builds absurd machines, films the result, and somewhere between a ham-and-cheese Vin Diesel and a backyard X-ray rig has become one of the loudest voices in the modern maker movement. In 2023 he co-founded Open Sauce, a creator-driven STEM convention that has since grown to more than 33,000 attendees.
Advay Mengle is a San Francisco Bay Area-based tech founder, engineer, and self-taught fine artist living a genuinely rare double life. As CEO and founder of a stealth-mode startup, he brings over 25 granted patents and deep experience at Google and Microsoft to bear on whatever he's building next. Simultaneously, in 2025 alone - his first year exhibiting - he was accepted into over 18 juried art exhibitions across the US, Spain, UK, France, and Japan, earning an Award of Excellence at Magnum Opus 2026 for his painting 'The City'. Born in Los Angeles in 1989, he holds a degree from MIT and previously served as VP Engineering at Talos Robotics before founding Holvonix LLC, a game and app studio.
Raphael Schaad is a Swiss designer-engineer and Visiting Partner at Y Combinator who built three generation-defining products: iA Writer (the minimalist writing app), Flipboard (the original social magazine), and Cron (acquired by Notion in 2022). Raised in the Swiss Alps, trained at MIT Media Lab, he brings a rare combination of technical depth and design taste that has made him a go-to mentor for founders navigating the AI era.
Yoko Li is a Partner at Andreessen Horowitz (a16z) focused on AI and infrastructure investments. A former software engineer and product manager, she brings hands-on technical depth to her investing work - building open source AI demos like AI Town and AI Tamago, creating cartoon explainers about machine learning, and writing benchmark analyses like TetrisBench. She sits at the crossroads of engineering craft and capital, backing companies like Resend, Mintlify, Clerk, Stainless, and Phota Labs while remaining an active contributor to the developer community.
Nathan Blecharczyk is the co-founder and Chief Strategy Officer of Airbnb, the world's largest hospitality platform. A self-taught programmer who built a million-dollar software business in high school, Blecharczyk coded Airbnb's original website and led its engineering, data science, and payments teams. Known for the infamous cereal box fundraising stunt that kept Airbnb alive in 2008, he now oversees the company's global strategy and chairs Airbnb China. With a net worth of $9.4 billion and a commitment to The Giving Pledge, he's transformed from a Boston kid tinkering with his father's old machines into one of tech's most influential builders.
Steve Chen is a Taiwanese-American Internet entrepreneur and software engineer best known as co-founder and former CTO of YouTube, which he and his PayPal colleagues built in 2005 and sold to Google for $1.65 billion just 18 months later. Born in Taipei and immigrating to the U.S. at age seven, Chen dropped out of the University of Illinois computer science program to join PayPal as one of its first 10 employees. After revolutionizing online video sharing with YouTube, he co-founded AVOS Systems, launched the video app MixBit, joined Google Ventures as an entrepreneur-in-residence, and eventually returned to Taiwan to nurture the island's startup ecosystem and connect Taiwanese entrepreneurs with Silicon Valley.
Varun Srinivasan is a co-founder of Farcaster, the decentralized social network protocol built on Ethereum, and currently works at Tempo, Stripe's stablecoin-focused blockchain. Previously, he spent over four years at Coinbase rising to Senior Director of Platform, and co-founded SoundFocus, a Y Combinator-backed mobile audio startup. A Carnegie Mellon graduate and prolific reader, Srinivasan has spent his career building platforms that give users control over their data and identity.
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.