bᵻfˌoːɹ kˈaɪæk, stˈiːv hˈæfnɚ, kˈaɪæks kˈɜːɹənt sˌiːˌiːˈoʊ, hˈɛlpt fˈaʊnd ˈɔːɹbɪtz ɪn noʊvˈɛmbɚ nˈaɪntiːnhˈʌndɹɪd nˈaɪnti nˈaɪn ænd lˈɛd ɪts bˈɪznəs dɪvˈɛləpmənt, ˈædvɚtˌaɪzɪŋ sˈeɪlz, mˈɑːɹkɪɾɪŋ, ænd pɹˈɑːdʌkt mˈɑːɹkɪɾɪŋ æktˈɪvᵻɾiz.
Before Kayak, Steve Hafner, Kayak's current CEO, helped found Orbitz in November 1999 and led its business development, advertising sales, marketing, and product marketing activities.