title: SEIU's power player. After series of successes, Rivera takes lead of new union.
authors.forename: Melanie
authors.initials: M
authors.lastname: Evans
mesh_terms: D006282:Health Personnel; D006291:Health Policy / Q000331:legislation & jurisprudence*; D007750:Labor Unions / Q000458:organization & administration*; D007857:Leadership; D008119:Lobbying; D008873:Mid-Atlantic Region