Sam Altman

Opendoor is a digital real estate platform that pioneered the iBuying model, enabling homeowners to sell their homes online with instant cash offers. The company uses data science and pricing algorithms to buy, renovate, and resell residential homes.

Social news aggregation and discussion platform where users submit, vote on, and discuss content across millions of community-driven forums called subreddits.

Wave is a mobile money platform building affordable, accessible financial services across Africa. Founded by the creators of Sendwave (YC W12, sold to WorldRemit for $500M), Wave offers cash deposits, withdrawals, peer-to-peer payments, and business payments through a network of over 150,000 agents across eight West African markets. Starting in Senegal, Wave became the country's largest mobile money provider and the first unicorn from Francophone Africa. The platform serves more than 20 million monthly active users.

Asana is a work management platform that helps teams plan, organize, and track projects and tasks. Founded by Facebook co-founder Dustin Moskovitz and former Facebook engineer Justin Rosenstein, the company serves over 75,000 customers.

Heap is a digital insights platform that automatically captures every user interaction on websites and mobile apps, including clicks, taps, swipes, form submissions, and page views, without requiring manual tracking code. Unlike traditional analytics tools that require engineers to instrument events upfront, Heap retroactively analyzes user behavior from day one. The platform served over 10,000 companies including Twilio, Zendesk, and Liberty Mutual. Acquired by Contentsquare in December 2023.

AI and automation technology provider for the restaurant industry. Originally built tabletop tablets for ordering and payment at sit-down restaurants under the name E la Carte. Pivoted to drive-thru Voice AI for quick-service restaurants. Went public via SPAC in 2022, then went through financial distress and was reborn as Presto Phoenix in 2025.

Construction productivity software that digitized blueprints and project documents for mobile access on job sites, enabling real-time collaboration across construction teams. Acquired by Autodesk for $875 million in 2018.

Single sign-on platform for K-12 education giving students, teachers, and staff secure access to digital learning applications through one personalized portal. Built a standardized API enabling school data systems to sync with edtech applications automatically. Used by 89,000 schools and 65% of U.S. K-12 districts.

Oklo is an advanced nuclear technology company designing and deploying next-generation fast fission power plants. The company's Aurora powerhouse uses metal-fueled fast reactor technology to generate clean energy, while also pioneering nuclear fuel recycling.