Folio is a B2B fintech and procure-to-pay platform built specifically for the hospitality industry, primarily hotels and their restaurants. Often described as the 'Amazon for hotels,' it unifies purchasing, invoice processing, supplier payments, inventory, and expense management into one system, using AI to automate invoice matching and surface savings. Founded in 2023 by two former Plaid colleagues and based in Durham, North Carolina, Folio raised a $14M Series A led by Thrive Capital and Construct Capital in July 2025 and powers hundreds of hotels.
Nina Herold is the CEO of Reed & Mackay, a Navan company, leading one of the most storied names in luxury corporate travel as it merges with the technology platform that acquired it. Previously COO of Navan (formerly TripActions), she built and scaled the travel side of a hyper-growth fintech-and-travel SaaS company through a pandemic, an acquisition spree, and a market-defining pivot into expense management.
Flex is an AI-native private banking platform for high-net-worth, middle-market business owners. It bundles credit, business and personal banking, payments, AP automation, expense management, and ERP-style tooling into a single super app aimed at owner-operators of $3M-$100M revenue companies.

Hadi Solh is the Co-Founder of Flex, an AI-native finance super app for mid-market business owners, and Managing Partner at Atmos Ventures, a deep-technology venture capital firm. Drawing on 20+ years across Goldman Sachs, McKinsey, and Credit Suisse, he co-built Flex from a construction-industry credit card into a $490M+ funded platform processing $3B+ in annualized payments, serving business owners who power 40% of US payroll. Based in Dubai, he also sits on the boards of Oxford Ionics (quantum computing) and Nethone (cybersecurity).
Zaid Rahman is the founder and CEO of Flex, an AI-native private bank and finance super app targeting mid-market business owners with $3M-$100M in revenue. A Thiel Fellow who left Columbia University to build companies, he previously founded Volley (an AI knowledge startup backed by JPMorgan and Zuckerberg Ventures) and an EdTech platform that was acquired. Inspired by watching his father's Dubai construction business nearly collapse due to a payment default, he co-founded Flex in 2022 to build the all-in-one financial platform that mid-market owners never had. Flex has raised $490.5M in total funding, reached $3B in annualized TPV, and became the first US fintech to launch a Visa Infinite Business credit card.