Ernesto Rosario Alberto is a Philippine businessperson who has been at the helm of 24 different companies. Mr. Alberto holds the position of Chairman, President & Chief Executive Officer at Digitel Crossing, Inc., Chairman at Rack It Data Center, Inc., Chairman & President for Cruz Telephone Co., Chairman & President for Mabuhay Investment Corp., Chairman of Smart-NTT Multimedia, Inc., Chairman, President & Chief Executive Officer of Asia Netcom Philippines Corp., Chairman for Curo Teknika, Inc., President & Director at Dito CME Holdings Corp., President of Primeworld Digital Systems, Inc. and President of I-Contacts Corp. Mr. Alberto is also Member of Makati Business Club and Member of The Management Association of the Philippines and on the board of 15 other companies.

He previously held the position of Chairman for Iplus Intelligent Network, Inc., Chairman at ePDS, Inc., Chairman for ACASIA Communications Sdn. Bhd., Chairman for Abm Solutions, Inc., Chief Revenue Officer & Executive Vice President at PLDT, Inc. Chairman & President of Digital Telecommunications Philippines, Inc. Chairman & President at PLDT Clark Telecom, Inc. Chairman & President at Bonifacio Communications Corp. Chairman & President at PLDT Subic Telecom, Inc. President & Chief Executive Officer of PLDT Global, Inc. and President & Chief Executive Officer for ePLDT, Inc. (which are all subsidiaries of PLDT, Inc.), Chairman at Junior Achievement of the Philippines, Inc., VP & Head-Relationship Management Group at Citytrust Banking Corp. and Vice President & Head-National Corporate Group at Citibank NA.

Ernesto Rosario Alberto received a graduate degree from the University of Asia & the Pacific and an undergraduate degree from San Beda College.