Atty. Sanga is a member of the State Bar of California and Integrated Bar of the Philippines. She is also a member of the American Immigration Lawyers’ Association (AILA). She wrote the chapters for the Philippines in two international publications, Secured Transactions in International Practice (2003) and Security Over Immovables in Selected Jurisdictions (2005), published by Kluwer Law International under the auspices of the Center for International Legal Studies. She has also written numerous articles on immigration issues and spoken at several immigration seminars in Los Angeles and Manila, Philippines.