In 1915, Daza moved to the U.S. to attend Herald's Engineering College in
San Francisco, California. While studying he lived at the Hotel Dorchester and worked there as a clerk. Daza then studied at the
Bliss Electrical School in
Washington, D.C. where he graduated in 1919. Daza worked at the mainplant of
Westinghouse Electric and Manufacturing Company in
Pittsburgh, Pennsylvania, a company that employed the likes of
Nikola Tesla, and studied in the Westinghouse Educational Department. In
Cebu City, as early as 1927, Daza was the supervising engineer and assistant general manager of the
Visayan Electric Company (VECO), and the assistant general manager of the Visayan Electric Supply Company. Daza led the expansion of VECO out of the Cebu City. In 1929, Daza went to the
Philippine Legislature in Manila to develop a new franchise for VECO. In 1931, the Legislature approved a 50-year franchise allowing VECO to expand to:
Mandaue,
Consolacion,
Liloan and
Compostela, North of Cebu; and
Talisay,
Minglanilla,
Naga,
San Fernando and
Danao. (right). From 1930 to 1939, Daza was the Illuminating Engineer of the executive staff, and Electrical Engineer of the Philippine Carnival Association. The association held the
Manila Carnival, an American Colonial showcase for Philippine commerce, industry and agriculture. He co-founded the Philippine Electric Manufacturing Company (PEMCO) and
Phelps Dodge Philippines. In 1937, he was treasurer of the Philippine Association of Mechanical and Electrical Engineers (PAMEE). In 1945, Daza worked with the
United States Army Signal Corps (USASC) to survey the extent of the destruction of PLDT's telephone communications infrastructure in Manila. Daza reported that three of PLDT's
central exchanges in
Santa Cruz,
Malate, and
Pasay were destroyed by the Japanese. In June 1947, the Electrical Engineering Law, Republic Act 184, was passed in the
Congress of the Philippines and Daza was appointed as the chairman of the Board of Electrical Engineering Examiners that Article 1 Section 2 of the Act established. Due to propriety, as the examiner chairman, Daza issued license number 001 to himself, making himself the first Filipino licensed electrical engineer. From 1946 to 1951, Daza was the assistant chief examiner and engineering consultant for the US-Philippine War Damage Commission (PWDC). Daza was also the liaison officer for
Gen. Douglas MacArthur for the PWDC. On November 12, 1985, Daza and Quezon City mayor
Adelina Santos Rodriguez sponsored the Institute of Integrated Electrical Engineers of the Philippines Inc. (IIEE) Building Cornerstone for a new IIEE Headquarters. In his life, Daza was honoured with lifetime memberships in three industry societies: the American Institute of Electrical Engineers (AIEE), the
Institute of Electrical and Electronics Engineers, and the Integrated Electrical Engineers of the Philippines Inc. (IIEE). == Boy Scouts ==