In wake of do­mes­tic vi­o­lence al­le­ga­tion, long­time Seagen CEO Clay Sie­gall goes on leave

Clay Sie­gall, the co-founder and long­time CEO of Seagen, is on a leave of ab­sence fol­low­ing an al­leged in­ci­dent of do­mes­tic vi­o­lence, the com­pa­ny re­vealed Mon­day morn­ing.

While Sie­gall — who in­formed the com­pa­ny that he’s in the mid­dle of a di­vorce — de­nied those al­le­ga­tions, the Seagen board of di­rec­tors formed a com­mit­tee to con­duct an in­ves­ti­ga­tion, with the help of a law firm.

In the mean­time, Roger Dansey, CMO since 2018, will step in as in­ter­im CEO to lead the com­pa­ny as it nav­i­gates the ex­pan­sion of its com­mer­cial an­ti­body-drug con­ju­gates while plot­ting the clin­i­cal ad­vance­ments of ex­per­i­men­tal ones.

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