BOSTON (AP) — The head of the Massachusetts health connector is stepping down after a tumultuous year in which the state’s health care exchange failed and was later rebuilt.

The departure of Jean Yang was anticipated as a new Republican governor, Charlie Baker, prepares to take office.

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Yang said Tuesday she is leaving the connector in a “solid place.” She did not say what she planned to do after leaving on Jan. 16.

The breakdown of the connector’s website marred the transition from the state’s first-in-the-nation universal health insurance law to the requirements of the federal Affordable Care Act, and forced hundreds of thousands of people into temporary Medicaid coverage.

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Maydad Cohen, who helped oversee the rollout of a new website, will serve as the connector’s interim executive director until the Baker administration chooses a permanent successor.

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