Biogen Chief Legal Officer Susan Alexander to depart end of May 2026
Susan H. Alexander, Chief Legal Officer of Biogen, will depart the company at the end of May 2026. The company has initiated a search for her replacement.
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→Biogen's Chief Legal Officer departs after navigating the Aduhelm approval controversy and subsequent Medicare coverage restrictions — a tenure defined by regulatory and reimbursement battles that reshaped the company's Alzheimer's strategy. The end-of-May exit gives the incoming CLO a buffer before mid-year data readouts on the lecanemab label expansion.
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Filing Details — SEC Form 8-K
5.02Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers
Filing DateMarch 11, 2026