Labor Policy Very Bearish 6

27-Year-Old Dies After Losing 15kg: HR Crisis at Coupang's Overnight Warehouses

A Coupang warehouse worker’s fatal heart attack, ruled overwork by South Korea’s state insurer, highlights urgent HR challenges: night-shift health risks, chronic fatigue, and workforce sustainability in the hyper-speed e-commerce sector.

· 4 min read · Verified by 2 sources ·
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Key Takeaways

  • A Coupang warehouse worker’s fatal heart attack, ruled overwork by South Korea’s state insurer, highlights urgent HR challenges: night-shift health risks, chronic fatigue, and workforce sustainability in the hyper-speed e-commerce sector.

Mentioned

Coupang company CPNG Jang Deok-jun person Park Mi-suk person Comwel company

Key Intelligence

Key Facts

  1. 1Jang Deok-jun, a 27-year-old Coupang overnight warehouse worker, died of a heart attack in 2020 after losing 15 kg during his year of employment.
  2. 2South Korea’s state insurer Comwel formally attributed his death to overwork following an investigation.
  3. 3Coupang guarantees delivery by 7 a.m. for orders placed before midnight, a service it pioneered in 2015 with fresh produce.
  4. 4The workers’ union claims that suspected overwork-related deaths in the logistics sector have continued well beyond the pandemic-era surge.
  5. 5Jang’s mother, Park Mi-suk, is still campaigning in 2026 to end night-time deliveries as the underlying cause of her son’s death.
  6. 6Coupang has grown to become South Korea’s largest online retailer, synonymous with the country’s hyper-connected shopping culture.

I didn't pay attention to my son's words, so I lost my son. But I hope others won't repeat the same mistake.

Park Mi-suk Mother of Jang Deok-jun

Speaking six years after her son's death, campaigning to end night-time deliveries

Who's Affected

Coupang Warehouse Workers
worker-groupNegative
Coupang (CPNG)
companyNegative
Comwel
government-agencyNeutral

Analysis

For HR leaders, Jang Deok-jun’s death is a tragic case study in the limits of shift-work resilience. When a 27-year-old employee loses 15 kg and succumbs to a heart attack on the job, the entire talent management framework — from safety protocols to overtime monitoring — comes under scrutiny. As Coupang and its competitors continue to expand 7 a.m. delivery promises, the human cost of extreme logistics schedules demands a fundamental rethink of workforce planning, employee wellness programs, and compliance with occupational health regulations.

The death of 27-year-old Coupang warehouse worker Jang Deok-jun in 2020, formally attributed to overwork by South Korea’s state-run workers’ insurer Comwel, has become a flashpoint in the nation’s debate over the human cost of its hyper-convenient e-commerce culture. Jang had worked overnight shifts for more than a year, losing 15 kilograms in the process and often complaining of exhaustion. His mother’s six-year campaign for accountability exposes the brutal underside of a system that guarantees delivery by 7 a.m. for orders placed before midnight — a promise that has made Coupang the dominant force in South Korean online retail since it pioneered overnight fresh-produce delivery in 2015.

Coupang has historically argued that its automated systems and shift rotations reduce physical strain, but the company has not publicly addressed the Comwel findings or union allegations of continuing fatalities.

The logistics behind this promise demand a vast nocturnal army of warehouse pickers, packers, and delivery drivers operating under immense throughput pressure. Coupang’s model, which investors have celebrated for its efficiency and scale, relies on a finely tuned network of fulfillment centers where workers like Jang steer pallet movers across sprawling floors. The physical toll is staggering: sustained night work, heavy lifting, and relentless performance targets create conditions where cardiovascular strain is common. Jang’s heart attack following a shift — after his mother had begged him to quit — is not an isolated tragedy. Labor unions assert that suspected overwork-related deaths have persisted long after the pandemic delivery surge that provided Coupang’s initial defense, though official composite fatality figures remain opaque.

What to Watch

Comwel’s ruling that overwork caused the death carries significant legal and reputational weight, as it opens the door to worker compensation claims and boosts calls for stricter oversight of night logistics operations. Yet six years after Jang’s death, regulatory change has been slow. South Korea’s Occupational Safety and Health Act and the recently strengthened Serious Accidents Punishment Act theoretically impose liability on corporate executives for worker deaths, but enforcement in the logistics sector remains patchy. Coupang has historically argued that its automated systems and shift rotations reduce physical strain, but the company has not publicly addressed the Comwel findings or union allegations of continuing fatalities. The disconnect between Coupang’s high-tech brand image and the grim reality of its overnight workforce underscores a broader tension: the consumer expectation of instant gratification is underwritten by human labor that is often invisible and inadequately protected.

The market implications are multifaceted. For investors, the risk of reputational damage, labor strikes, and potential regulatory crackdowns could compress margins or force costly operational changes. Coupang’s heavy reliance on its overnight delivery edge — a differentiator that allowed it to capture a reported 24% of South Korean e-commerce market share — means any scaling back of the service would erode its competitive moat against rivals such as Naver and SSG.com. Conversely, the story accelerates scrutiny of gig-economy and warehouse working conditions across Asia, potentially influencing ESG rating downgrades and institutional capital allocation. The social dimension is equally profound: Jang’s mother’s plea for an end to night-time deliveries reflects a growing public sentiment that convenience must not come at the cost of human life. As South Korea grapples with declining birth rates and a shrinking workforce, the sustainability of a logistics model predicated on extreme human endurance becomes a national economic question, not just a corporate one. The case may ultimately push policymakers to mandate mandatory rest periods, enforce night-work hour caps, or require retailers to share delivery-labor load through cooperative logistics networks — measures that would reshape the entire overnight e-commerce ecosystem.

Sources

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Based on 2 source articles

Cite This Page

"27-Year-Old Dies After Losing 15kg: HR Crisis at Coupang's Overnight Warehouses." HR & Workforce Intelligence Brief, July 25, 2026. https://gethrbrief.com/story/coupang-overnight-worker-death-hr-crisis

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