Talks from Estefania Ortiz, Kat Li, Bianca St.Louis, Star Simpson, and Ellen Pao — Grace Notes is a yearly event celebrating women who work in tech, hosted by Chain and co-sponsored by Lyft and Eatsa. (You can read more about Grace Notes here.) Estefania Ortiz Estefania is currently a founder at Greo, a social media platform for people to share their stories and learn from each…