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In page Jonathan Rothberg:

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Rothberg founded Ion Torrent in 2007, which developed ion semiconductor sequencing, a technology utilized by their Personal Genome Machine (PGM) DNA sequencer.[12] He founded the company with an undisclosed amount of his own money and later took in $23 million in venture capital. After experiences at CuraGen and 454 Life Sciences, he made sure to retain supervoting share majority so he could not be forced out.[1] At the time, the PGM device was the smallest and cheapest DNA decoder to hit the market.[1] It was able to read 10 million letters of genetic code in two hours, and sold for $50,000.[1] In 2010, Ion Torrent was acquired for $375 million in cash and stock upfront, plus as much as $350 million later if sales were to reach certain levels.[2]