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Now Available: Innovators Under 35 2013 See The 2013 List »

Stephen OConnor, 32

Biotechnology

Nanostream

Stephen O’Connor is equal parts scientist, engineer and salesman. Armed with a PhD in chemistry from Caltech and more than a dozen jointly held patents, he helped start four companies, raising most of the seed money himself. His first venture made ultrafast optical sensors. His second, Clinical Microsensors, made DNA detection instruments he designed to quickly read the genetic makeup of plant and animal tissue; Motorola bought the company for $300 million. Money and experience gave O’Connor the confidence to found Nanostream in Pasadena, CA, in 1999.It makes custom chips that analyze microscopic amounts of blood or other fluids,some of the first commercial products in the rapidly growing field of microfluidics. With $11 million in funding, Nanostream markets the chips topharmaceutical companies for drug discovery tests. Also in 1999,O’Connor founded CO2,a profitable incubator company that has invested in 11 local scientific startups by outfitting their labs.O’Connor’s Caltech advisor, John Baldeschwieler, says his ex-student is “playing an increasingly important role in the economic development of Pasadena.”

2002 TR35 Winners

Ewan Birney

Biotechnology

Fiona Brinkman

Biotechnology

Chris Burge

Biotechnology

Benjamin Cravatt

Biotechnology

Nathaniel David

Biotechnology

Susan Hagness

Medicine

Derek Hansford

Materials

J. Joseph Kim

Medicine

Steven Laken

Medicine

Kelvin Lee

Medicine

Milan Mrksich

Materials

Stephen OConnor

Biotechnology

Alexander Olek

Biotechnology

Vijay Pande

Biotechnology

Stephen Quake

Materials

David Sabatini

Biotechnology

John Santini

Medicine

David Schaffer

Medicine

Christoph Westphal

Biotechnology

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