John Lee bought a steam cleaner and an industrial vacuum and spent six months cleaning Airbnb rentals near Gangnam Station in Seoul. It is a useful detail to keep in mind when the conversation turns to hotel technology. Before the software, the partnerships, and the overseas offices, there was a room that needed to be ready for somebody else.
Cleaning has a way of making a business proposition specific. A booking may be digital; the room remains stubbornly physical. Somebody must prepare it, and somebody must know when that has happened. Lee’s company, H2O Hospitality, grew from this territory behind the guest experience. Its founder’s route into the industry offers an unusually literal interpretation of starting at the bottom.
The price of a ready room
Lee studied hotel administration at Cornell and subsequently worked in banking at Morgan Stanley in Hong Kong. His career also included GOGOVAN, the logistics platform now known as GoGoX. He founded H2O in South Korea in 2015. Finance and hospitality can appear to inhabit different conversational universes, but a hotel gives them plenty to discuss: a building, its operating costs, and the income its rooms can generate.
At Cornell, Lee encountered an industry with considerable manual work. His later business would return to those processes. Hotels sell a very personal experience through an operation that must repeat reliably, room after room. The welcome can be improvised. The room’s availability needs rather less improvisation. His choice of problem put him close to the arrangements that make the welcome possible.
The company name contained the ambition. In his COMEUP 2022 interview, Lee explained H2O as Hospitality 2.0. He wanted to address both outdated operations and the relationship between hotels and online travel agencies. The chemical resemblance was convenient; the business argument concerned how the industry worked.
Three calendars, one promise
Japan gave H2O an early setting for that argument. Lee identified a strong domestic tourism market, growing international arrivals, and limited accommodation supply. The company acquired a Japanese cleaning business serving vacation rentals and developed its housekeeping operation. By his account, the business covered housekeeping in 2017 and expanded into wider hospitality management in 2018.
His early explanation of the technology involved three calendars: the guest’s, the room’s, and the housekeeper’s. Linking them made it possible to coordinate bookings and cleaning. This is a pleasingly unromantic description of hospitality software. It also explains the dependency. A confirmed reservation and an available cleaner are separate pieces of information until an operating system brings them together.
The expansion also followed the customer relationship. Lee noticed that businesses handling reservations and other management functions were already buying his housekeeping services. He described interviewing their founders, selecting a suitable counterpart, and proposing an acquisition. The person who understood the cleaning schedule was finding his way into the rest of the operation.
There is a practical logic to that progression. Selling a room creates work elsewhere. Knowing how that work gets done gives a supplier a view of the surrounding business. In Lee’s case, housekeeping became an entry into questions of revenue, guest communication, and management. The company’s scope changed as it moved through those connections.

A message instead of another app
The guest-facing version of the idea is easier to recognize. H2O FLOW connects hospitality processes, while the company’s products address reservations, direct sales, customer relationships, and facility operations. Its website describes guests controlling parts of the hotel experience through their smartphones, using familiar chat applications rather than downloading a dedicated app.
That last choice deserves attention. Travel already supplies plenty of instructions. An additional application adds another thing to obtain, open, and remember. Working through an existing conversation offers a different starting point. For the guest, the interface can look ordinary. Behind it, a request still has to reach the people and systems responsible for fulfilling it.
Lee has discussed the commercial consequence as well. Connecting customer information across the stay can help a hotel understand its guests and communicate with them directly. The reservation, arrival, and service request become parts of an ongoing relationship. For a hotel owner, that brings the operating question and the customer question into the same discussion.
By April 2025, H2O’s solutions were operating across seven countries and 34 cities. In the same interview, Lee described his goal in terms of three participants: property owners, operators, and travelers. He wanted technology to improve the circumstances of all three. It is a broader ambition than making a check-in screen quicker.
The meeting after the meeting
For all the emphasis on digital processes, Lee’s expansion into the Gulf involved a decidedly physical activity: turning up. In a January 2024 account of his travels, he described making seven or eight Middle East trips during the preceding year. He said business relationships there favored meeting in person. The itinerary was becoming part of the job.
An earlier episode gives that observation some color. During a UAE visit, a business leader used WhatsApp voice messages to arrange a meeting with a chief technology officer, then asked whether Lee could come to Dubai the following day. Lee went. A company selling connected processes was also depending on a conversation moving quickly from one person to the next.
The regional strategy had a formal beginning, too. Lee joined the Korea-UAE economic delegation in January 2023. That month, H2O announced plans for a Middle East branch and described support through Abu Dhabi’s startup ecosystem. Tourism investment supplied the business context. Lee was looking for customers and partners in a region building its hospitality industry.
The scene has a useful irony. Software can reduce the number of steps a guest takes at reception. Selling that software across borders may require considerably more steps from its founder. Lee’s accounts of repeated visits give the expansion a more human scale than a map of markets ever could.
Abu Dhabi becomes an address
On February 21, 2024, the establishment of H2O’s regional headquarters in Abu Dhabi was announced. The Abu Dhabi Investment Office supported the move with financial incentives, setup assistance, and business connections. The office was in Abu Dhabi Global Market. A market Lee had been visiting had acquired a more permanent place in the company’s organization.
“Digital transformation has become an even more pressing matter for the hospitality industry.”
John Lee · February 2024
In May that year, Lee explained the geographic decision. H2O wanted to develop beyond its Asian business, and the Middle East offered a concentration of luxury hospitality alongside access to other regions. He discussed the UAE’s infrastructure and government support as factors. The location was intended to support business across a wider area.
He also made the technology sound refreshingly familiar: guests using WhatsApp, WeChat, Line, or KakaoTalk to complete processes that would otherwise involve paperwork. An international company must accommodate different habits. Lee’s description put those existing habits inside the product, allowing the hotel interaction to begin with a tool the traveler already knew.
The front desk gets a head start
By August 2026, the Abu Dhabi work included a defined hotel rollout. H2O’s smart check-in system had been installed at 15 Rotana-branded properties in the emirate, covering 4,240 rooms. The properties included Rotana Hotels & Resorts, Arjaan, and Centro hotels. Discussions about extending the deployment beyond Abu Dhabi were still under way.
Rotana smart check-in rollout · August 2026
The process combines advance registration with identity verification. Guests can complete preparatory steps before reaching the hotel. Lee’s own public account describes WhatsApp pre-check-in and facial recognition on arrival. These details turn the broad language of digital transformation into a particular moment: the interval between walking into a lobby and being ready to proceed.
The numbers describe the deployment’s extent. They do not, by themselves, describe every guest’s experience. Still, this is a concrete stage in Lee’s progression from scheduling housekeeping to coordinating arrival at established hotels. The work now reaches a different part of the stay, with the same underlying concern about information arriving where it is needed.
An ambitious payment, an ordinary guest
Another 2026 announcement widened the field. On February 5, the ADI Foundation announced a partnership with H2O involving blockchain infrastructure, wallets, identity, and payments in travel. ADI would develop and integrate the digital capabilities; H2O would handle distribution through its guest-facing platforms. The announcement described a proposed direction for the partnership.
Lee’s stated intention was that tourists could use digital currencies without having to understand the underlying blockchain technology. That is an ambitious infrastructure project expressed as an ordinary expectation of service. A guest trying to finish a payment has a fairly immediate objective. The technical explanation can wait until after the transaction.
Across these chapters, Lee keeps returning to the work surrounding the room: preparing it, selling it, arranging access, communicating with the guest, and completing a payment. His starting point was unusually close to the task itself. Years later, the equipment and the geography have changed. Somewhere in the operation, a room still has to be ready.
Follow the work
- H2O Hospitality Company website and products ↗
- John W. Lee on LinkedIn Public professional profile ↗
- Watch: Lee at COMEUP 2022 AVING News · Interview ↗
- Listen: Japan’s tourism market and hospitality management Ventures in the East · May 2021 ↗
- The early housekeeping story SPARKPLUS / MOBIINSIDE · June 2022 · Korean ↗
- Lee on H2O FLOW and expansion The Economist Korea · April 2025 · Korean ↗
- The Rotana rollout Hotel Management Network · August 2026 ↗
- The ADI Foundation partnership Announcement · February 2026 ↗