[1] Prior to entering public service, Sobrino practiced corporate law in various leading firms in Puerto Rico.
[2] Sobrino was responsible for developing and overseeing the execution of key policy initiatives of Governor Rosselló's administration, including the financial restructuring and winding down of the Government Development Bank for Puerto Ric; organizing a private non-profit destination marketing organization for the Island known as Discover Puerto Rico; establishing the Central Office of Recovery, Reconstruction and Resiliency (COR3) in the aftermath of Hurricanes Irma and Maria; preparing an interdisciplinary and multisectoral report recommending amendments to PuertoRico's minimum wage; and leading government efforts to conduct meaningful energy sector reform and the privatization / concession of the Puerto Rico Electric Power Authority.
[5] In these roles, Sobrino acted as the principal fiscal agent and officer of the Government of Puerto Rico overseeing its public debt restructuring and other liability management transactions.
Shortly thereafter, Sobrino resigned all of his posts on July 13, 2019 in the aftermath of the Telegramgate chat scandal that engulfed the Rosselló Administration.
[7] On November 24, 2020, the Office of the Panel of the Independent Prosecutor of Puerto Rico published a report of its investigations and findings and cleared Sobrino, and others involved, of any criminal liability arising out of the Telegramgate chat scandal.