David Filo
A quiet engineer who, from a campus trailer, built the server software that powered the early web's first major directory.
Born 1966 (age 60)·American businessman·Birthday: April 20·Generation X
Biography
David Filo's story is a quintessential Silicon Valley tale of accidental empire. As a Stanford electrical engineering doctoral student in early 1994, he and classmate Jerry Yang created "Jerry and David's Guide to the World Wide Web," a simple list of their favorite sites, to navigate the internet's growing chaos. Operating from a cramped campus trailer, Filo wrote the dynamic server software—the Filo Server Program—that allowed the site, soon renamed Yahoo!, to scale from a hobby into a global portal. His technical architecture was the unseen engine that made Yahoo! feel alive and instantaneous for millions of early users. While Yahoo!'s corporate saga later unfolded with dramatic highs and lows, Filo's foundational work established the template for how information was organized and accessed online, turning a student project into a defining gateway of the digital age.
Generation X
1965–1980
The latchkey kids. Raised during divorce, recession, and the end of the Cold War. Skeptical, self-reliant, media-literate. They invented indie culture, grunge, and the early internet — then watched the Boomers take credit.
David was born in 1966, placing them squarely in the Generation X. The events that shaped this generation — economic uncertainty, the end of the Cold War, and the rise of personal computing — shaped the world they entered and the choices available to them.
#1 When David Was Born
The biggest hits of 1966
#1 Movie
The Bible: In the Beginning
Best Picture
A Man for All Seasons
#1 TV Show
Bonanza
David's Life & Times
The world at every milestone
1966Born
Star Trek premieres on television
Gas: $0.32/galHome: $14,200Min wage: $1.25/hrPresident: Lyndon B. Johnson"The Ballad of the Green Berets" — SSgt Barry SadlerBest Picture: A Man for All Seasons
1971Started school
Voting age lowered to 18 in the US
Gas: $0.36/galHome: $18,100Min wage: $1.60/hrPresident: Richard Nixon"Joy to the World" — Three Dog NightBest Picture: The French Connection
1979Became a teenager
Iran hostage crisis begins; Three Mile Island accident
Gas: $0.86/galHome: $37,900Min wage: $2.90/hrPresident: Jimmy Carter"My Sharona" — The KnackBest Picture: Kramer vs. Kramer
1982Could drive
Michael Jackson releases Thriller
Gas: $1.22/galHome: $55,200Min wage: $3.35/hrPresident: Ronald Reagan"Physical" — Olivia Newton-JohnBest Picture: Gandhi
1984Could vote
Apple Macintosh introduced
Gas: $1.13/galHome: $59,800Min wage: $3.35/hrPresident: Ronald Reagan"When Doves Cry" — PrinceBest Picture: Amadeus
1987Turned 21
Black Monday stock market crash
Gas: $0.90/galHome: $72,400Min wage: $3.35/hrPresident: Ronald Reagan"Walk Like an Egyptian" — The BanglesBest Picture: The Last Emperor
1996Turned 30
Dolly the sheep cloned
Gas: $1.23/galHome: $99,700Min wage: $4.75/hrPresident: Bill Clinton"Macarena" — Los del RioBest Picture: The English Patient
2006Turned 40
Twitter launches; Pluto reclassified as dwarf planet
Gas: $2.59/galHome: $174,700Min wage: $5.15/hrPresident: George W. Bush"Bad Day" — Daniel PowterBest Picture: The Departed
2016Turned 50
Donald Trump elected president; Brexit vote
Gas: $2.14/galHome: $181,700Min wage: $7.25/hrPresident: Barack Obama"Love Yourself" — Justin BieberBest Picture: Moonlight
2026Turned 60
Gas: $3.91/galPresident: Donald Trump
Key Achievements
- Co-founded Yahoo! in 1995, creating one of the first and most popular web portals.
- Wrote the Filo Server Program, a pioneering server-side software that dynamically generated web pages for early Yahoo!.
- Served as Chief Yahoo, a key technical and strategic role, guiding the company from its startup phase through its peak.
- Became a billionaire through Yahoo!'s early public offering, emblematic of the first dot-com boom.
Did You Know?
Yahoo!'s original name was "Jerry and David's Guide to the World Wide Web."
He and Yang ran the initial service on a Stanford University computer named "akebono."
Filo held the title "Chief Yahoo" rather than a more conventional corporate title.
He is known for his low-profile, unassuming personality despite his wealth and early influence.
“We just made a list to keep track of interesting things on the web.”
