
Nathan Blecharczyk and Greg Hayes are business leaders known for their work in different industries. Blecharczyk is a co-founder and Nathan Blecharczyk and Greg Hayes Chief Strategy Officer of Airbnb. Hayes is the former Chief Executive Officer and Executive Chairman of RTX, an aerospace and defense company.
The public company information reviewed for this article does not establish a direct business partnership between them. Their names can be compared when discussing business leadership, but that does not prove they work together.
Their careers show two different paths: helping build an online business and leading a large industrial company.
Who Is Nathan Blecharczyk?
Nathan Blecharczyk, also called Nate, helped create Airbnb with Brian Chesky and Joe Gebbia.
Airbnb connects hosts with guests who want to book places to stay. The company also offers experiences and services.
Blecharczyk has a background in computer science. His work at Airbnb has included both technology and business planning.
Education and Technical Background
Blecharczyk studied computer science at Harvard University.
That background is relevant to Airbnb because its business depends on software. Guests need to search for listings, make bookings, and pay online. Hosts need tools to manage their properties and reservations.
Building these systems requires more than a useful idea. It also requires technical teams that can support users as the business grows.
His Work at Airbnb
Airbnb credits Blecharczyk with leading the creation of its engineering, data science, payments, and performance marketing teams.
These teams support different parts of the company:
- Engineering teams build and maintain software.
- Data science teams study information to help guide decisions.
- Payments teams support transactions.
- Performance marketing teams work on marketing activities with measurable results.
His career shows how a technical founder’s responsibilities can grow beyond writing software.
What Does Nathan Blecharczyk Do Today?
Airbnb lists Blecharczyk as its co-founder and Chief Strategy Officer.
A Chief Strategy Officer helps guide a company’s long-term plans. This can include deciding which problems to solve, which projects to support, and how different teams should work together.
Airbnb describes his work as bringing together knowledge of its products, data, public policy, and business needs.
His projects have included tools for cities, reservation screening, and Airbnb-friendly apartments. These examples show how technology and business rules can affect the same service.
Who Is Greg Hayes?
Greg Hayes, whose full professional name is Gregory J. Hayes, is known for leading United Technologies and RTX.
His career developed through senior roles in finance, business planning, and company management.
He became Chief Executive Officer of United Technologies in 2014 and chairman in 2016.
A CEO leads a company’s management and is responsible for its overall business performance. A chairman leads the board, which oversees management and major company decisions.
His Role in Company Changes
During Hayes’s leadership, United Technologies went through major changes.
These included selling Sikorsky, buying Rockwell Collins, and separating the Otis and Carrier businesses.
Such changes affect what a company owns and where it focuses its money and effort. They can also change the company’s products, customers, and future plans.
Greg Hayes and the Formation of RTX
In April 2020, the remaining aerospace businesses of United Technologies combined with Raytheon Company.
Hayes became CEO of the combined company, which was then called Raytheon Technologies and is now known as RTX.
This was a different challenge from building a new online platform. It involved bringing together large, established businesses with their own employees, products, systems, and customers.
Is Greg Hayes Still the CEO of RTX?
No. Christopher Calio succeeded Hayes as CEO on May 2, 2024. Hayes then became Executive Chairman.
Calio also became chairman on April 30, 2025, as Hayes left that position and the board.
RTX’s transition announcement stated that Hayes would serve as Special Advisor to the CEO through January 2, 2026.
For an article published in October 2026, describing Hayes as RTX’s current CEO or Executive Chairman would be outdated.
Nathan Blecharczyk and Greg Hayes Compared
Their careers are easier to understand when their roles are placed side by side.
| Topic | Nathan Blecharczyk | Greg Hayes |
|---|---|---|
| Main company connection | Airbnb | United Technologies and RTX |
| Main business field | Online travel and hosting | Aerospace and defense |
| Career background | Computer science and technology | Finance and corporate management |
| Type of leadership | Co-founder and strategy leader | Former CEO and Executive Chairman |
| Main career focus | Helping build and develop a digital platform | Managing and reshaping large businesses |
The comparison shows differences in their work. It does not establish a shared business project.
How Their Industries Differ
Airbnb and RTX serve different needs.
Airbnb runs an online marketplace. Its platform helps people find and book stays, experiences, and services.
RTX works through three main businesses: Collins Aerospace, Pratt & Whitney, and Raytheon. Its activities include aircraft systems, engines, and defense technologies.
Different Products and Customers
An online booking platform must make it easy for users to search, compare options, and complete payments.
An aerospace business must develop and support complex physical products. Its work involves engineering, manufacturing, testing, and long-term service.
Both depend on technology, but they use it in different ways.
Different Ways to Grow
A digital platform can grow by bringing more users and providers together. It must also maintain trust and keep its systems working well.
A manufacturing business may need factories, equipment, materials, and skilled workers to increase production.
These differences help explain why leaders in each field face different daily problems.
Do Nathan Blecharczyk and Greg Hayes Have a Business Connection?
A direct partnership was not confirmed in the reliable company information reviewed.
Their official career details describe separate roles at different companies. They do not establish a joint company or a shared business project.
This finding has a limit. Public biographies do not record every meeting or private contact a person has. Therefore, it would also be wrong to claim that the two men have never met.
The supported answer is that a direct business connection remains unconfirmed.
What Their Careers Show About Leadership
Their careers offer a useful comparison of how people reach senior business roles.
Blecharczyk’s path shows how technical knowledge can develop into wider responsibility for company strategy.
Hayes’s path shows how experience in finance and management can lead to responsibility for a large business.
Neither path provides a simple rule for success. Companies need different skills at different stages.
A young business may need to build a working product and find customers. A large company may need to improve production, manage costs, or combine existing businesses.
The useful lesson is to understand the work behind a title rather than judging a career by the title alone.
Frequently Asked Questions
Who are Nathan Blecharczyk and Greg Hayes?
Nathan Blecharczyk is an Airbnb co-founder and its Chief Strategy Officer. Greg Hayes is a former CEO and Executive Chairman of RTX.
Are Nathan Blecharczyk and Greg Hayes business partners?
A direct business partnership was not confirmed in the reliable public information reviewed for this article.
Did they start a company together?
No shared company was identified in the information reviewed. Blecharczyk helped create Airbnb, while Hayes is known for leading United Technologies and RTX.
What is Nathan Blecharczyk’s role at Airbnb?
He is Chief Strategy Officer. His work helps guide important business plans and projects across the company.
Is Nathan Blecharczyk the CEO of Airbnb?
No. Airbnb lists Brian Chesky as its co-founder and CEO. Blecharczyk is its co-founder and Chief Strategy Officer.
Where did Nathan Blecharczyk study?
He studied computer science at Harvard University.
What is Greg Hayes best known for?
He is known for leading United Technologies and RTX, including major changes to the businesses during his time in charge.
Is Greg Hayes still RTX’s CEO?
No. Christopher Calio succeeded him as CEO in May 2024.
When did Greg Hayes leave RTX’s chairman role?
Hayes left the Executive Chairman position and the board as Calio became chairman on April 30, 2025.
What is the main difference between their careers?
Blecharczyk helped build an online marketplace as a founder. Hayes developed his career through finance and management before leading large industrial businesses.






