Complex sentence: Toni Rembe was the first female partner in the law firm of Pillsbury Winthrop LLP, San Francisco, California, from 1971 until her retirement in December 2004.
Split into simpler sentences: Toni Rembe was the first female partner in the law firm of Pillsbury Winthrop LLP, San Francisco, California when she joined in 1971. She remained with the firm until her retirement in December 2004.