Early beginnings From 1992 to 1996 Isla was Director of Legal Services for
Banco Popular Español. In 1996, he left that position and became the general manager of the National heritage department of the
Directorate-General for the Treasury. In 1998, he rejoined Banco Popular Español as general secretary. From 2000 to 2005, he was chairman of
Altadis.
Inditex, 2005–2022 Isla was named CEO and deputy chairman of Inditex in 2005 and was named chairman of the company in 2011. Under Isla, Inditex committed to eliminate the release of all hazardous chemicals from production and products by 2020. Isla has also committed the company to adopt an eco-efficient store model that can reduce emissions by 30 percent and water consumption by 50% by 2020. Inditex expanded from 2,692 stores in 2005, to 7,013 stores at the end of 2015 under Isla's leadership. During the same period, he is also credited with leading the company's online expansion. In 2022, Inditex paid Isla 12.4 million euros in his last year with the company, more than double what he received in 2020 as the executive president. He was replaced with Oscar Garcia as CEO and
Marta Ortega as chair. ==Other activities==