Andrew Neil James McKenzie is a British molecular biologist who is a group leader in the Medical Research Council (MRC) Laboratory of Molecular Biology (LMB).

[4][5] His identification of the cytokine Interleukin 13 and the subsequent unearthing of its central role in allergic asthma led to his discovery of type-2 innate lymphoid cells (ILC2).

[6][7] These cells secrete large quantities of cytokines and represent a new druggable biological target for intervention in inflammation and infection.

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