Documented path
Born April 1, 1983 in Longyan, Fujian to civil-servant parents; only son. Nankai University computer engineering BEng 2005. Joined travel search startup Kuxun as fifth employee/first engineer in 2006, rose to technical director, briefly worked at Microsoft and Fanfou, then founded 99fang in 2009 before starting ByteDance in 2012.
Born in Longyan, Fujian to civil-servant parents as an only son; studied microelectronics then software/computer engineering at Nankai University (graduated 2005).
ByteDance founder and major controlling shareholder (reported >50% voting rights); stepped down as CEO in 2021; among the world's richest people with estimated tens of billions net worth; resides largely outside day-to-day ops (Singapore associations reported).
Where the conditions came from
Each is placed on a −1 to 3 scale from documented evidence, and the three are never added together. A combined total would rank Zhang Yiming against other people. Held apart, they explain why this path ran differently from another one—which is the only comparison this project supports.
The marble itself
+2Tailwind
What capability, drive, or early skill is documented in the person rather than their surroundings?
Strong technical skills known throughout Nankai University's tech circle; won Challenge Cup second prize for PCBS software. First engineer at Kuxun, rose to technical director by ~23. Deep domain repetition in search and mobile internet before founding 99fang at 26.
Where it was dropped
+1Tailwind
What money, family standing, network, or permission was already in place before the work began?
Parents were civil servants in Longyan, Fujian — father worked at the Science & Technology Commission before opening an electronics factory, mother was a nurse. Stable, middle-class Chinese family with early business exposure through father's work.
The shape of the track
+1Tailwind
What place, timing, institution, or peer group made the next step available?
Nankai University, Kuxun startup experience as first engineer, and the China mobile internet wave. No elite global institution, notable mentor, or frontier geography — but deep operator reps in the Chinese internet ecosystem provided domain repetition.
A −1 is a documented headwind, not a missing value; a 0 means the sources record nothing notable either way. Annotation confidence: Medium. These are analyst readings of what the sources record, not measurements of merit, talent, or effort. The twenty-two scored dimensions remain available inside the deeper research detail.
What moved through the conditions
Silence in a biography is not evidence that perseverance was absent.
This is an unchosen opening or condition in the record, not an estimate of how much luck caused the outcome.
Strongest documented signals: Direct domain exposure, Elite institution pipeline, Frontier geography.
Describes the starting position, not what the person later made of it.
Strongest observed levers: Domain proximity, Prior reps, Scarce skill depth.
Measures what was present, not whether it was inherited, earned, self-built, external, or mixed.
The timeline below shows the sequence of work and transitions around the selected early milestone. It is evidence of a path, not proof that every step was necessary.
Legendary or globally iconic career standing. The tier summarizes documented career recognition through the data cutoff—not Zhang Yiming's worth or future potential.
Question four · where did the leverage come from?
Each non-zero lever gets a best-supported origin, evidence signals, and confidence. Unresolved is the honest default when the biography cannot distinguish self-built, advantage-enabled, earned, external, or mixed.
One or more documented starting advantages plausibly enabled this lever.
One or more documented starting advantages plausibly enabled this lever.
One or more documented starting advantages plausibly enabled this lever.
A structural wave is external to the person, even when their position improved access to it.
No current annotation distinguishes self-built, enabled, or earned origins for this lever.
One or more documented starting advantages plausibly enabled this lever.
This is a bounded inference from the current annotations—not a claim about private effort, merit, or the percentage of Zhang Yiming's outcome attributable to any origin.
Structural luck, Encounter luck, Event luck, Outcome variance can change every arrow in the path. This successful-only dataset cannot observe the near-identical paths that did not break through, so luck stays visible and unscored.
Multiplying capacity documented later in the path. Measures what was present, not whether it was inherited, earned, self-built, external, or mixed.
Access or conditions documented near the beginning of the path. Zero means "no clear evidence in reviewed sources," not "advantage was absent."
Only son of civil servants in Longyan, Fujian; not a wealthy tech dynasty background per Bloomberg/Wikipedia.
Parents were civil servants; no documented tech entrepreneurship domain transfer.
Wikipedia and multiple profiles document founding 99fang.com in 2009 at age 26 after deep early-operator reps as Kuxun's first engineer from age 22. That first founding is a dated material milestone within the age-26 bar; ByteDance (2012) at 29 is the later legendary breakout. Early advantage is accumulated product/engineering judgment in Chinese consumer internet rather than family capital or elite Western pipelines.
advantage confidence: High · source count: 3 · audit: source_verified · status: subagent_researched_beta