 Pooler was nominated by President Clinton on November 6, 1997, to a seat on the United States Court of Appeals for the Second Circuit vacated by Frank X. Altimari.She was confirmed by the Senate on June 2, 1998, and received commission on June 3, 1998.In August 2017, Pooler dissented when the court upheld the insider trading conviction of Mathew Martoma, in which she argued that the majority was improperly overruling circuit precedent.