[1] Alberto's previous commands include the Intelligence Service of the Armed Forces of the Philippines (ISAFP), as well as the 2nd and 3rd Scout Ranger Battalions.

[4] Alberto is a graduate of the Philippine Military Academy "Sinagtala" Class of 1986; other training programs he has completed include the Scout Ranger Course, Command and General Staff Course (Second highest in his class), Strategic Intel Course, Counterterrorism Fellowship Program in the US, and Public Management Major in Development and Security at the Development Academy of the Philippines (DAP).

Throughout his career, Alberto was assigned from infantry, intelligence, staff, and special forces positions, and was well-respected among his peers and subordinates.

Alberto also headed the Department of Ground Warfare at the Philippine Military Academy, and served as Commandant of the Scout Ranger Training School.

[1][3] As the Army's commanding general, he continued initiating reforms by his predecessors, and crafted new doctrines and strategies in engaging both internal and external defense operations, as part of the lessons made during the Marawi Siege.