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John L. Flannery

Managing Director

John joined Charlesbank in an advisory role in 2019 after 31 years at GE, where he most recently served as chairman and chief executive officer. At Charlesbank, he co-leads the Portfolio Resources Group alongside Sam Bartlett, working with CEOs and their teams to improve operating performance, strategy and governance. He also helps the PRG team drive consistent equity value in the portfolio overall.

John began his career at GE in 1987 and held various leadership roles in the United States, Latin America and Asia, including CEO of GE Equity (a $6B private equity fund), CEO of GE Capital Asia, CEO of GE India, head of GE’s M&A and strategy process and finally as CEO of the $18B GE Healthcare unit. Under his leadership, GE’s healthcare business established global technology leadership in core imaging, creating digital platforms and solutions, and expanded its Life Sciences and cell therapy systems businesses. He also launched Sustainable Healthcare Solutions, bringing disruptive technologies to healthcare providers across emerging markets.

John is an Alexandria, Virginia native who lives in Boston. He and his wife have three grown children.


Fairfield University – BS in finance
The Wharton School at the University of Pennsylvania – MBA

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