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T2 Biosystems: John Sperzel, John McDonough

T2 Biosystems has appointed John Sperzel as president, CEO, and board member. He succeeds John McDonough, T2 Bio's outgoing president and CEO, who will serve as non-executive chairman of the board.

Sperzel has resigned as Chembio Diagnostics' president and CEO. Prior to Chembio, Sperzel served as president and CEO of ITC Medical, a privately-held point-of-care diagnostics company owned by Warburg-Pincus. Previously, Sperzel held executive and commercial leadership positions at Axis-Shield, Bayer Diagnostics, Instrumentation Laboratory, and Boehringer Mannheim.