Rosa Alia S. Mendoza graduated from the University of the Philippines in Diliman with a degree of B.A. Public Administration and from the Ateneo de Manila University – College of Law where she obtained a Juris Doctor degree. She was accepted to the Bar in 2006, after which, she worked as a litigation associate in the Britanico Sarmiento and Franco Law Office. As a litigation associate, Rosa provided in-depth legal advice on corporate, labor, commercial, persons and family relations and intellectual property matters to individual and corporate clients of the firm. She appeared in numerous court proceedings before the MTC, RTC and CTA, and in several administrative and quasi-judicial bodies, such as the NLRC, POEA, HLURB, etc. She also engaged in the provincial canvassing of votes of candidates on the national level.
In 2008, Rosa became an associate counsel in the South American Entertainment Corporation – Regional Operating Headquarters, the company handling the Asian and European operations of Thunderbird Resorts, Inc. She provided advice and legal support to all Philippine affiliate corporations of the SAEC-ROHQ, on matters relating to construction and real estate, tax, labor, corporation, contracts, litigation, property, and intellectual property law. She handled the corporate housekeeping duties for several of the Philippine affiliate corporations. She was also in charge of overseeing compliance of all requirements and regulations of government agencies, such as PAGCOR, PEZA, BIR, SEC, BCDA, PPMC, DOT, Register of Deeds and appropriate LGUs. She was lead counsel to The Point – Poro Point Real Estate Project Group under Thunderbird Pilipinas Hotels and Resorts, Inc. wherein she ensured compliance of all governmental and legal requirements in preparation for the take-off of The Point Residences – the real estate venture of Thunderbird Pilipinas Hotels and Resorts, Inc. located at the Poro Point Freeport and Economic Zone, San Fernando City, La Union.