Matthew Wielenga

Matthew Wielenga

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Matthew Wielenga, known as King Kronic, is a former entrepreneur from New Zealand who gained notoriety for his involvement in the synthetic cannabis market. His products, particularly Kronic, were highly successful during the peak of New Zealand's legal high industry, reportedly earning him up to $700,000 a month. However, after the market collapsed in 2011 due to health concerns and regulatory changes, Wielenga faced legal challenges. He was arrested in the United States for conspiracy to distribute synthetic cannabis and sentenced to over four years in prison. Recently released, he is now navigating a new chapter of his life while managing a substantial property portfolio valued at around $40 million.

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Recent news mentions

Matthew Wielenga was the sole owner and director of Zenith Tecnica before being bought out.

Satellite parts maker Zenith Tecnica under new ownership: What’s next
The New Zealand Herald – country’s largest newspaper, est. 1863·New ZealandNew Zealand· 2026-07-13
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Matthew Wielenga made his fortune during the boom years of New Zealand’s legal high industry, reportedly pulling in $700,000 a month at one stage.

King Kronic Matthew Wielenga released from US jail to return to NZ - from $1 as prison porter to $40m property portfolio
The New Zealand Herald – country’s largest newspaper, est. 1863·New ZealandNew Zealand· 2025-05-02
5.0