The AP defeat in that election caused an internal crisis which had initially stemmed from disagreements over those nominated to contest the election for the party [4] Giner argued that some in the AP had not been satisfied with replacing him as regional head of the AP but had also wanted to remove him completely from the candidate list.
Giner publicly implied that defecting to the Valencian Union (UV), a right wing regional party that had grown in strength in this period, was a possibility.
In 1967, before his career in politics, he was one of the founders of Grupo Hospitales Nisa, one of the leading companies in the Spanish private health sector.
In 1998 Giner was named "John Paul II, Family and Life Foundation" chief.
He was also CEO of Edifesa, a construction company, until his retirement in 2006 at age 80.