Johnny Romualdez was born to a family of doctors and was the second eldest child among his six other siblings.
His mother was Covadonga Ubante del Gallego (1915-2004), a former chairman of the Pathology Department of the University of Santo Tomas Hospital.
[1] Romualdez was appointed as manager of the U-20 national football team which was organized under the Kasibulan grassroot program in the 1970s.
Romualdez also worked at the Philippine Football Federation and served as Executive Vice President.
His grandfather, Miguel Lopez Romualdez (1882-1950) served as mayor of Manila (1924-1927) during the American colonial period and Assemblyman of Leyte during the Commonwealth Era.