Math­ai Mam­men makes an abrupt ex­it as head of the big R&D group at J&J

In an af­ter-the-bell shock­er, J&J an­nounced Mon­day evening that Math­ai Mam­men has abrupt­ly ex­it­ed J&J as head of its top-10 R&D group.

Re­cruit­ed from Mer­ck five years ago, where the soft-spo­ken Mam­men was be­ing groomed as the suc­ces­sor to Roger Perl­mut­ter, he had been one of the top-paid R&D chiefs in bio­phar­ma. His group spent $12 bil­lion last year on drug de­vel­op­ment, putting it in the top 5 in the in­dus­try.

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