Question: Danielle Ryan (born 1983) is an Irish heiress, being the daughter of Capt. Cathal Ryan and granddaughter of Tony Ryan,  co-founder of Ryanair with Christy Ryan and Liam Lonergan, and founder of GPA, which is an acronym for ?
Sentence (from "Tony Ryan"): He was a founder of Guinness Peat Aviation (GPA) as well as co-founder of Ryanair with Christy Ryan and Liam Lonergan.
Relevant evidence: Yes