Mostly True
The decisions of late Samsung chairman Lee Kun-hee — above all his push into semiconductors and his declared era of "new management" — are credited with building Samsung Electronics into a first-class global company, according to materials from the Federation of Korean Industries museum and Samsung's own history archives.
Lee's decision to invest heavily in semiconductors, at a time when the business was widely viewed as risky, laid the foundation for Samsung Electronics' later dominance in memory chips. Historical materials from the FKI e-museum and Samsung's corporate history site trace the company's semiconductor line to this period of decisive investment under Lee's leadership.
In 1993, Lee launched his "new management" drive, famously instructing executives to "change everything except your wife and children." The campaign shifted Samsung's focus from volume to quality and is regarded internally and in business-history exhibits as the turning point that elevated the company into the ranks of world-class manufacturers.
Some specific details surrounding this history — including figures on NAND market share, certain quoted remarks, and the dates of particular events — rest on single sources and remain unconfirmed. Image materials supporting the account were drawn from the FKI e-museum and Samsung's official history pages; some additional sourcing could not be retrieved during research.
Taken together, the record supports the broad narrative that Lee Kun-hee's decisions on semiconductor investment and management reform made Samsung a first-class company, while finer details await stronger sourcing — the claim is Mostly True.