An Iona College English major who got a master's in business administration from New York University at night, Greifeld spent much of his career selling computer systems for processing and clearing trades.

FORBES: Get Briefed: Robert Greifeld

Iona Heath, president of the Royal College of General Practitioners, wrote in the BMJ last month that the "apparently burgeoning enthusiasm" for assisted dying seemed surprising given recent history.

BBC: 'Stop opposing assisted dying' - BMJ