ATTY. RAINIER MAMANGUN
Atty. Rainier Mamangun is a Founding Partner of the LMJA Law Firm.
His expertise in Family Law and Real Estate Law covers representation and advisory services in annulment, declaration of nullity of marriage, recognition of foreign divorce, child custody, spousal and child support, adoption, and domestic abuse cases, among others. For almost two decades, he has worked on over 300 family law-related cases.
He has also provided services to a multitude of clients, both locals and foreigners, in the areas of property purchase; guidance in investments on real properties in the Philippines; transfer & registration of title; expropriation; due diligence; contract drafting & review; cases before the Human Settlements Adjudication Commission; cases filed with the regular courts such as for ejectment, reconstitution of lost title, issuance of new title, reconveyance, cancellation of adverse claim, breach of contract, and settlement of estate, among others. His years of experience allow him to address his clients' concerns effectively and facilitate a cost-efficient and successful accomplishment of their objectives.
In 2013, Atty. Mamangun was the recipient of the Certificate of Selection in the area of Family Law from Legal’s Finest -- a premier guide to the world’s leading attorneys based in the United Kingdom. In 2020, he was the awarded the Certificate of Excellence from Advisory Excellence, a London-based organization which profiles the best legal advisers around the globe, for his outstanding performance in the area of Family Law. In 2021, he became one of the select few to be invited to the prestigious Asociacion Europea de Abogados, the largest network of lawyers in the world based in Alicante, Spain. After a rigorous selection and judging process, Lawyer Monthly, a legal publication based in the United Kingdom, has recently bestowed upon our Atty. Rainier Mamangun the Lawyer of the Year Award in the field of Family Law for the Year 2021. In 2022, his Firm was profiled on Global Law Experts as its "Recommended Firm" in the area of Real Estate in the Philippines. GLE is the premier guide to leading attorneys throughout the world with member firms from over 140 countries in over 50 practice areas.
ASSOCIATES
INNAH FAITH ROSARIO
Innah completed her Juris Doctor degree at the José Rizal University Law School and obtained her Bachelor’s Degree from the University of Santo Tomas.
Her experience as a law student practitioner at the Integrated Bar of the Philippines honed her skills and fueled her passion for law and justice.
Her internship experience at the Bureau of I
Innah completed her Juris Doctor degree at the José Rizal University Law School and obtained her Bachelor’s Degree from the University of Santo Tomas.
Her experience as a law student practitioner at the Integrated Bar of the Philippines honed her skills and fueled her passion for law and justice.
Her internship experience at the Bureau of Immigration, coupled with a bachelor’s degree in Tourism, had equipped her with knowledge necessary to venture into Immigration Law.
She was an associate under the legal editorial operations of a multinational information company prior to joining the Firm.
CHIQUI LEANNE TUAZON
Chiqui earned her Juris Doctor degree at the University of the Philippines Diliman – College of Law. She was awarded the Bienvenido C. Ambion Prize for Best Paper in Private International Law in 2023.
She obtained her Bachelor’s Degree in Business Administration, Major in Legal Management, at Holy Angel University.
Before joining the Firm
Chiqui earned her Juris Doctor degree at the University of the Philippines Diliman – College of Law. She was awarded the Bienvenido C. Ambion Prize for Best Paper in Private International Law in 2023.
She obtained her Bachelor’s Degree in Business Administration, Major in Legal Management, at Holy Angel University.
Before joining the Firm, Chiqui interned at U.P. Office of Legal Aid where she gained invaluable knowledge, skills, and experience.
She is also a staunch advocate of women, children, and the LGBTQ+ community.
GLESA MAY SALIENTE
GLESA MAY SALIENTE
Glesa earned her Juris Doctor Degree from the Polytechnic University of the Philippines – College of Law. Prior to that, she obtained her Bachelor's Degree in Business Administration major in Internal Auditing from the Far Eastern University where she graduated Magna Cum Laude.
She brings to the Firm nearly a decade of experience in vario
Glesa earned her Juris Doctor Degree from the Polytechnic University of the Philippines – College of Law. Prior to that, she obtained her Bachelor's Degree in Business Administration major in Internal Auditing from the Far Eastern University where she graduated Magna Cum Laude.
She brings to the Firm nearly a decade of experience in various fields of law, including tax, corporation, and civil law, at a leading professional services firm and a real estate company, as well as in accounting and auditing when she was part of the banking and the aviation industries. She also worked in the academe.
Her years of experience in diverse areas had refined her communication, negotiation, problem-solving, and analytical skills.
She is passionate about advocating for individual rights and resolving complex legal issues involving civil law and family law.
MARITONI VILLAMIN
Maritoni earned her Juris Doctor degree from San Beda College Alabang – School of Law. She obtained her Bachelor’s Degree in Legal Management at San Beda University Manila where she was a Dean’s Lister.
Maritoni previously served as an Administrative Aide for the Legislative Body of the Province of Zambales whose power involved enact
Maritoni earned her Juris Doctor degree from San Beda College Alabang – School of Law. She obtained her Bachelor’s Degree in Legal Management at San Beda University Manila where she was a Dean’s Lister.
Maritoni previously served as an Administrative Aide for the Legislative Body of the Province of Zambales whose power involved enacting ordinances and resolutions necessary for the efficient and effective administration of the provincial government.
She hopes to be an agent of change and to make significant contributions to the legal profession by utilizing her strong interpersonal skills in dealing with clients and addressing their concerns, while maintaining professional relationships, along with her acumen and ability to find solutions to diverse legal concerns.
BUSINEss & Corporation law division
ATTY. JON P. ALAMIS
ATTY. JON P. ALAMIS
ATTY. JON P. ALAMIS
Atty. Jon P. Alamis joined the LMJA Law Firm as a Senior Partner in 2019.
He specializes in business and corporate law, contracts, securities, direct foreign investment, regulatory compliance, and data privacy. His practice areas also include real estate and commercial litigation, including intra-corporate disputes and financial fraud.
H
Atty. Jon P. Alamis joined the LMJA Law Firm as a Senior Partner in 2019.
He specializes in business and corporate law, contracts, securities, direct foreign investment, regulatory compliance, and data privacy. His practice areas also include real estate and commercial litigation, including intra-corporate disputes and financial fraud.
He serves as a director and corporate secretary to several multinational and domestic firms, and represents the country’s top conglomerates across several industries, including real estate, food, and power. As part of his securities practice, he has registered various types of securities with the Securities and Exchange Commission.
His real estate practice includes the registration of various types of real estate projects with the relevant regulatory agencies for leading developers in the country.
Over a period of two decades, he has also represented the interests of numerous multinational companies in several commercial and civil disputes.
With his multidisciplinary team, he provides corporate clients rapid crisis management services, including contingency and sustainability planning.
Before joining the Firm, he was the General Counsel of Wall Street Global (Hong Kong and Manila Offices), where he was in charge of the licensing of securities with the Hong Kong Securities and Futures Commission, among others. He also conceptualized, organized and registered an investment adviser and a distributor of securities for the company to streamline its operations Europe and the Asia Pacific. He also served as the General Counsel of Rustan Supercenters, Inc. (Shopwise).
Mr. Alamis obtained his Juris Doctor degree at the Ateneo de Manila School of Law in 1999, and was admitted to the Philippine Bar in 2000. He became a member of the Hong Kong Securities Institute in 2008.
CHILES MEGAN AREÑO
ATTY. JON P. ALAMIS
ATTY. JON P. ALAMIS
Megan is a Junior Partner at the LMJA Law Firm. Her practice areas include corporate law, contracts, commercial litigation, intra-corporate disputes, estate planning and settlement of estates.
She serves as corporate secretary to several of LMJA’s clients, and regularly provides legal and advisory services to foreign and domestic firms. He
Megan is a Junior Partner at the LMJA Law Firm. Her practice areas include corporate law, contracts, commercial litigation, intra-corporate disputes, estate planning and settlement of estates.
She serves as corporate secretary to several of LMJA’s clients, and regularly provides legal and advisory services to foreign and domestic firms. Her corporate practice includes company formation, corporate housekeeping, corporate governance and regulatory compliance.
Megan also has experience in real estate disputes, and represents the country’s top real estate developers in civil and administrative litigation. As part of her commercial litigation practice, she represents clients in actions involving financial fraud and embezzlement.
Megan obtained her Juris Doctor degree from San Beda College Alabang – School of Law in 2019, and was admitted to the Philippine Bar in 2020. She completed her bachelor’s degree in Legal Management at San Beda University.
CYRIL PANGANIBAN
ATTY. JON P. ALAMIS
CYRIL PANGANIBAN
Even in his young career, Cyril has expansive experience in several practice areas, including corporate and contract law, criminal defense, labor law, immigration, succession, and taxation.
His corporate practice covers a wide range of company formation and business registration, corporate housekeeping and corporate secretarial services a
Even in his young career, Cyril has expansive experience in several practice areas, including corporate and contract law, criminal defense, labor law, immigration, succession, and taxation.
His corporate practice covers a wide range of company formation and business registration, corporate housekeeping and corporate secretarial services and commercial and intra-corporate litigation.
Prior to joining the LMJA Law Firm, Cyril had the opportunity to work as the human resources and legal manager for domestic and foreign corporations. He also served as an associate for a New York-based firm and a contract administrator for a multinational company.
Cyril has a degree in Public Administration from the University of the Philippines - Diliman. He completed his Juris Doctor degree at the Lyceum of the Philippines College of Law, and was admitted to the Philippine Bar in 2022.
Staff
CHELLA MAE DRAMAYO
CHELLA MAE DRAMAYO
CHELLA MAE DRAMAYO
Chella graduated from the Rizal Technological University where she pursued a Bachelor of Arts degree in Political Science. She began as an intern at the LMJA Law Firm and then became a Legal Assistant which position she currently occupies. She is responsible for liaison services, docketing and record keeping, billing, as well as general
Chella graduated from the Rizal Technological University where she pursued a Bachelor of Arts degree in Political Science. She began as an intern at the LMJA Law Firm and then became a Legal Assistant which position she currently occupies. She is responsible for liaison services, docketing and record keeping, billing, as well as general administrative work. Her abilities and knowledge grow as her responsibilities at the Firm expand. She envisions that her stint at LMJA could serve as a stepping stone towards her goal of becoming a lawyer in the future.
ENYA RIVERA
CHELLA MAE DRAMAYO
CHELLA MAE DRAMAYO
Enya is a fourth-year student and a consistent Dean's Lister at De La Salle University-Dasmariñas where she is pursuing a Bachelor of Arts Degree in Political Science. Her strong interest in civil law and family law led her to the LMJA Law Firm where she is currently doing her internship program. As an intern at the Firm, Enya is gaining
Enya is a fourth-year student and a consistent Dean's Lister at De La Salle University-Dasmariñas where she is pursuing a Bachelor of Arts Degree in Political Science. Her strong interest in civil law and family law led her to the LMJA Law Firm where she is currently doing her internship program. As an intern at the Firm, Enya is gaining invaluable hands-on experience on a variety of tasks relevant to the practice of law, including case filing, drafting of legal documents and demand letters, and conducting research to assist the Firm’s lawyers while, at the same time, deepening her understanding of the law. This exposure to actual legal work significantly enhances her knowledge and reinforces her aspirations to obtain a law degree someday. Enya views this internship as a critical step in her personal development and help her achieve her long-term goal of becoming a lawyer.
REGINA MAGALLANES
CHELLA MAE DRAMAYO
REGINA MAGALLANES
Regina serves as the Firm's Office Manager.
She graduated with a Bachelor's Degree in Office Administration at the Polytechnic University of the Philippines.
Prior to joining LMJA, she has 23 years of work experience in various law firms, occupying the position of Legal Secretary or Office Manager.
OF COUNSEL
CHRISTEL JOY ESTOPA
CHRISTEL JOY ESTOPA
CHRISTEL JOY ESTOPA
Christel completed her Juris Doctor degree with Thesis at the Far Eastern University Institute of Law.
Her career was profoundly shaped by her early experience as a Legal Intern at the Public Attorney’s Office (PAO) where her passion for the law was ignited.
Equipped with her degree in Accountancy, Christel brings a unique blend of legal ac
Christel completed her Juris Doctor degree with Thesis at the Far Eastern University Institute of Law.
Her career was profoundly shaped by her early experience as a Legal Intern at the Public Attorney’s Office (PAO) where her passion for the law was ignited.
Equipped with her degree in Accountancy, Christel brings a unique blend of legal acumen and financial expertise to her professional pursuits.
Christel has put up her own practice through the Estopa Law Office but provides advisory services to the LMJA Law Firm on matters involving her expertise.
Our Team
CHRISTEL JOY ESTOPA
CHRISTEL JOY ESTOPA
Our team consists of experienced attorneys and legal professionals who are dedicated to providing the best possible service to our clients.
Our Values
CHRISTEL JOY ESTOPA
Our Values
At Mamangun Law Office, we are committed to upholding the highest standards of integrity, professionalism, and ethics in everything we do.