Webster Financial in Waterbury, Conn. has hired a deputy chief financial officer from Citigroup.

The $23 billion-asset Webster named Oona Robinson deputy CFO and head of financial planning and analysis at Webster. She began on Aug. 3.

Robinson replaced Carl Carlson, who left Webster in March 2014 and is now CFO and treasurer at the $5.8 billion-asset Brookline Bancorp in Brookline, Mass. The position had been vacant since then, a spokeswoman said.

Webster restructured Robinson's title to more fully reflect the skill set of its new hire, the spokeswoman said.

Previously, Robinson was treasurer of OneMain Financial, Citigroup's consumer lending subsidiary. She had been at Citi since 2005 in various leadership positions, in consumer and institutional treasury, financial planning and enterprise payments.

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