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Daniel Arrigg Koh has the lineage and resume of a luminary on the rise. The chief of staff to Mayor Martin J. Walsh holds two degrees from Harvard and hails from a family that includes a diplomat, influential medical doctors, legal scholars, and advisers to the powerful.
Koh interned for the late senator Edward M. Kennedy and advised former mayor Thomas M. Menino. He can sing, play guitar, and act on a stage. He can field a baseball and has run 13 marathons. For a charity fund-raiser in his last job, Koh was Mr. August in a men’s pin-up calendar, nibbling seductively on the earpiece of pair of eye glasses. Oh, and he’s 29 years old.
Walsh liked Koh’s resume. He liked his ideas. But what really struck him about Koh was his humility.