
A software engineer left Goldman Sachs, found a co-founder in Singapore, and built SensorFlow around a peculiar hotel habit: the guest goes out, but the air-conditioning stays in.
Relay Robotics discovered that the glamorous future of automation depends on a humble skill: getting a locked box from one floor to another, every time, without making the humans wait.

A Marine turned real-estate developer turned hotel-tech founder is redesigning arrival around a simple idea: software should handle the transaction so people can handle the welcome.
Zaplar is a Stockholm-based, Y Combinator (S26) startup building an AI-native operating system for hotels and event venues. Instead of stitching together the legacy hotel stack - PMS, POS, booking engine, CRS, RMS and MICE tools - Zaplar consolidates them into one platform where AI agents handle bookings, guest messaging, RFPs, event planning and follow-ups. Staff review and approve the agents' suggested actions, so hoteliers keep control while spending less time in front of a screen.
H2O Hospitality is a Seoul-founded hospitality technology company that digitizes hotel operations end to end - from booking and mobile check-in to revenue and facility management. Its flagship platform, H2O Flow, connects reservation, property, revenue and facility systems into one workflow, and was the first service in Asia to achieve a validated integration with Oracle's OPERA PMS. Founded in 2015 by Cornell-trained, Forbes 30 Under 30 CEO John (Woong Hee) Lee, the company manages roughly 210,000 room units across seven countries and has raised about $48.5M, including a $30M Series C led by Kakao Investment and Korea Development Bank in 2021.
Softinn Solutions is a Malaysian hotel technology company that builds cloud-based hotel management software for boutique hotels, resorts, villas and hotel chains across the Asia Pacific. Its all-in-one platform pairs a Property Management System with a Channel Manager connected to 40+ OTAs, a commission-free booking engine, a website CMS and self-service check-in kiosks - designed around the mission to 'make hotelier work easier.' Founded in Melaka in 2012 by JeeShen Lee and Caren, Softinn serves 1,000+ hotel owners in markets including Malaysia, Indonesia, Vietnam, the Philippines and Singapore.
Virdee is an Austin-based hospitality technology company that builds a virtual guest-experience platform letting hotels move guests from arrival to room without a front desk. Through web, mobile app, lobby kiosks, mobile wallet keys and an SDK, Virdee covers 100% of guests with contactless check-in, ID verification, payments, upsells and digital room access. Founded in 2020 by Branigan Mulcahy and Nadav Cornberg, the company powers over a million check-ins a year for customers including Great Wolf Lodge, LivAway Suites and Las Vegas casino resorts.
Micah Estis Green is the founder, president, and CEO of Tailos, the Austin robotics company behind Rosie, an AI-powered commercial robot vacuum that cleans the floors of hotels, senior-living communities, and multifamily buildings. He started the company (originally Maidbot) in a Cornell dorm room in 2015 after a class assignment put him to work as a hotel room attendant, and built it into a fleet deployed across 12 countries. A 2017 Thiel Fellow and 2018 Forbes 30 Under 30 honoree, he has been assembling robots from kits since age five.