/Companies

Kayak

Stamford, US · Founded 2004 · 1,115 employees on LinkedIn · 7 known investors

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Kayak is a travel search and comparison platform that aggregates flight, hotel, and other travel options from multiple providers to help users find and book travel deals.

Founders & leadership

SH
Steve HafnerCo-founder; CEO until February 2026Hafner was part of the founding team at Orbitz, where he served as EVP of consumer travel, and later led OpenTable as CEO. He also serves as lead independent director at SeatGeek and has held board seats at Trulia and Blade.
PEPaul English
Paul EnglishCTO and Co-founder2004–2013English has cofounded companies including Lola.com, Gumdrop.ai, Cambridge.com and Boston Venture Studio, and founded the Chinese chess site Xiangqi.com. His nonprofit work includes founding Embrace Boston and Winter Walk, cofounding Summits Education, and serving as a director of Partners in Health and Village Health Works.
PBPeer Bueller
Peer BuellerCEOBueller joined KAYAK in 2016 as chief financial officer and later served as chief operating officer, also holding the CFO role at OpenTable. Earlier, he was director of financial planning and analysis at Booking.com and a finance and strategy manager for eBay's local classifieds business in APAC.
PM
Paul M. EnglishFounder

Investors · 7

Founder mafia

The Kayak mafia →

7 people who came through Kayak went on to found or lead other companies.

Related companies · 6

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HotelPlannerHotelPlanner is a platform that negotiates and books discounted group hotel rates for events, conferences, and travel programs. The service serves group coordinators, universities, government agencies, sports organizations, and corporate clients seeking bulk room reservations.
PricelinePriceline is an online travel agency that offers hotels, flights, car rentals, cruises, and vacation packages across 116 countries, using AI and negotiation-based deal tools to surface discounted travel offers for consumers. It provides features like Express Deals, Bundle & Save packages, a VIP loyalty program, and an AI travel assistant through its website and mobile app.
United AirlinesUnited Airlines operates a network of passenger flights and cargo services across domestic and international routes, serving approximately 181 million passengers to over 380 destinations on six continents as the largest airline globally by available seat miles. The airline operates major hubs in Chicago, Denver, Houston, Los Angeles, New York/Newark, San Francisco, and Washington, D.C., and is executing a modernization program involving the delivery of over 630 new aircraft and expansion of its route network.
CheapflightsCheapflights is a travel comparison website that lets users search and compare prices for flights, hotels, and car rentals from multiple airlines, hotel chains, and rental companies side by side. It serves consumer travelers planning domestic and international trips.

Companies working in the same space as Kayak.

Frequently asked questions

What does Kayak do?
Kayak is a travel search and comparison platform that aggregates flight, hotel, and other travel options from multiple providers to help users find and book travel deals.
Who are Kayak's investors?
Kayak's investors include Accel, General Catalyst, Norwest Venture Partners, Oak Investment Partners, Sequoia Capital, Tenaya Capital, IVP (Institutional Venture Partners).
Where is Kayak headquartered?
Kayak is headquartered in Stamford, US.