Atty. Rainier Mamaňgun is a Partner at the Lu Mamangun & Juco Law Office. He is a Philippine lawyer engaged in the practice of law covering Civil Law, Family Law, Criminal Law, Labor Law, Immigration Law, Corporate Law, and special concerns. "The passionate pursuit of legal excellence" is the Firm’s guiding theme. The same is evident in all aspects of the Firm's dealings with its clientele, the opposition, the courts of justice, and the public in general.