A123′s Maria Thompson Retires

3/25/10

Maria Thompson, an Ann Arbor, MI, entrepreneur who helped develop the technology used in Watertown, MA-based A123Systems‘ lithium-ion automotive batteries, has retired. Thompson founded T/J Technologies in Ann Arbor in 1991. She guided the company’s development of nanophosphate technology that eventually attracted A123Systems, which bought T/J Technologies in 2006. After the acquisition, Thompson continued as president of A123′s research and government solutions group in Ann Arbor. Thompson says she’s going to devote more time to private pursuits, but would not rule out involvement in another company down the road.

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