PAMELA RAE R. MADRIGAL
Associate Send Email
PAMELA DENISE D. HILARIO
Associate Send Email Practice Areas Litigation and Dispute Resolution Labor and Employment Law Intellectual Property Law Corporate and Commercial Law Admission to the Bar 2022 Education De La Salle University – Manila (B.S. Legal Management) San Beda University (Juris Doctor) Professional Activities and Memberships Member, IBP Makati City Chapter Admitted to the Philippine Bar in April 2022, Atty. Pamela Denise D.V. Hilario brings a versatile and well-rounded legal background to the firm, with a steadfast commitment to advocating for her clients’ rights and interests. She joined the firm in November 2025 after gaining extensive experience at one of the leading law firms in Makati City, specializing in litigation and dispute resolution, labor and employment law, intellectual property, and corporate and commercial law. She also briefly served as in-house counsel for a growing Philippine company, further sharpening her expertise in corporate legal affairs. Beyond her practice, Atty. Hilario is a part-time faculty member at De La Salle University-Manila, teaching Obligations and Contracts and sharing practical insights with the next generation of legal professionals. She earned her Juris Doctor degree from San Beda University in Mendiola and a Bachelor of Science in Legal Management from De La Salle University-Manila. With experience spanning private practice, corporate counsel work, and academia, Atty. Hilario delivers strategic, practical, and client-centered solutions, always advocating with diligence, integrity, and a focus on achieving results for those she represents.
MIGUEL ANGELO C. OCAMPO
Associate Send Email Practice Areas Corporate and Commercial Law Mergers & Acquisitions Corporate Restructuring Foreign Investments Labor and Employment Law Litigation Admission to the Bar 2022 Education De La Salle University – Manila (B.S. Educational Psychology) De La Salle University – Tañada-Diokno College of Law (Juris Doctor) Admitted to the Philippine Bar in June 2022, Atty. Miguel Angelo C. Ocampo brings a dynamic and comprehensive background to his practice. In November 2025, he joined Siguion-Reyna, Montecillo & Ongsiako, where he handles corporate transactions, labor and employment disputes, as well as civil, criminal, and administrative litigation. Prior to this, he served as an Associate at another law firm, where he handled corporate and commercial matters. He also served as Chief Operating Officer and Compliance Officer at a real estate development company, where he oversaw real estate development operations, legal affairs, and compliance. With experience that has honed his technical expertise and business acumen across private practice, in-house counsel work, and senior management, Atty. Ocampo offers clients strategic, practical, and client-focused solutions.
APRYLL B. BULINTAO
Associate Send Email Practice Areas Taxation Corporate and Commercial Law Admission to the Bar December 22, 2023 Education Saint Louis University, Baguio City – Juris Doctor (Class Valedictorian; Cum Laude) Saint Louis University, Baguio City – Bachelor of Science in Accountancy; Bachelor of Science in Management Accounting (Consistent Dean’s Lister) Professional Activities and Memberships Member, Integrated Bar of the Philippines, Baguio–Benguet Chapter Member, Philippine Institute of Certified Public Accountants Atty. Apryll Bulintao, CPA is an Associate of Siguion Reyna Montecillo and Ongsiako Law Offices. She joined the firm in December 2025 and was admitted to the Philippine Bar in December 2023. Before joining the firm, she worked as a Senior Associate at Sycip Gorres Velayo & Co. (a member firm of Ernst & Young Global Limited) where she handled Bureau of Internal Revenue assessments, tax compliance and reporting, and general tax advisory work for various local and multinational clients. Her practice likewise included tax matters before the Bureau of Customs. Thereafter, she briefly worked at a leading law firm in Makati, where she was exposed to corporate practice alongside taxation. Atty. Bulintao also worked at the International Tax Affairs Division of the BIR, where she gained experience in drafting tax exemption rulings in connection with tax treaty relief applications of foreign entities and individuals. Since joining the firm, Atty. Bulintao continues to focus on taxation while expanding her practice into the fields of Litigation and Dispute Resolution, Labor and Employment, and Corporate and Commercial Law.
JULIUS ERNHEST P. BERAME
Associate Send Email Practice Areas Litigation and Dispute Resolution Labor and Employment Law Admission to the Bar 22 December 2023 Education University of Santo Tomas (Bachelor of Arts Major in Classical Philosophy)- Magna Cum Laude, Rector’s Award For Academic Excellence University of Santo Tomas (Juris Doctor) Professional Activities and Memberships Member, IBP PPLM Chapter Atty. Julius Ernhest P. Berame is an Associate at Siguion Reyna, Montecillo & Ongsiako, which he joined in December 2025. Prior to joining the Firm, he was an Associate at Fortun and Santos Law Offices in Las Piñas City, a firm actively engaged in high stakes criminal and civil litigation. He has extensive trial and litigation experience in criminal, civil, labor, and administrative cases, and has appeared before various trial courts and quasi-judicial bodies, including the National Labor Relations Commission (NLRC), the Bureau of Customs, and the Office of the Ombudsman. He also has substantial experience in appellate practice, having handled matters before the Court of Appeals and the Supreme Court. His extensive exposure to litigation has honed his ability to think creatively and strategically, enabling him to craft effective, practical, and results-oriented legal solutions, particularly in complex and high-stakes disputes.
FELIPE CLAUDIO C. REMOLLO
Associate Send Email Practice Areas: Litigation and Dispute Resolution Labor Disputes Commercial Law Admission to the Bar: Admitted, 2022 Education: Ateneo de Manila University (B.S. Legal Management) Ateneo de Manila Law School (Juris Doctor, Second Honors) Felipe Claudio “Dio” Remollo is an associate at Siguion Reyna Montecillo & Ongsiako Law Offices. His practice area includes litigation, dispute resolution, labor disputes, and commercial law. Prior to joining the Firm, Dio worked in the Philippine Congress and in another law firm where he started his litigation practice. Since receiving his Juris Doctor Degree from Ateneo Manila University School of Law in 2021 and his admission to the Philippine Bar in 2022, Dio has had extensive experience in drafting pleadings and appearing before multiple Metro Manila Courts, for both civil and criminal cases, and handling cases all the way to the Supreme Court. Dio has successfully negotiated out of court settlements leading to a swift resolution of the concerns of his clients. Dio is committed to further developing his practice in labor disputes and commercial law, while continuing to refine his primary field of practice, litigation and dispute resolution.
KRISTIAN JOHN P. NILO
Associate Send Email Practice Areas Litigation Labor Law Admission to the Bar Admitted, 2022 Education Lyceum of the Philippines University College of Law – Makati (Juris Doctor) Ateneo de Manila University (AB Management Economics, Minor in Enterprise Development) Professional Activities and Memberships Member, IBP Quezon City Chapter Atty. Kristian John Parde Nilo is an Associate in Siguion Reyna, Montecillo & Ongsiako. He joined the Firm in August 2025. Atty. Nilo’s practice includes litigation, dispute resolution, and labor law. He has extensive experience in civil and criminal litigation, appearing before First and Second Level Courts, Offices of Provincial and City Prosecutors, and other quasi-judicial bodies within Metro Manila and nearby provinces. In his labor law practice, he has represented manpower service providers before Offices of Labor Arbiters, various Divisions of the National Labor Relations Commission, and the Court of Appeals. He has also handled several matters as legal counsel for respondents in administrative cases, and appeared before hearing and adjudication boards of national government agencies in the executive department. Since joining the Firm, he has expanded his practice in areas such as handling valuation disputes at the Bureau of Customs, financial rehabilitation and liquidation proceedings of distressed corporations, and judicial settlement of estate proceedings. Before joining the Firm, he was an associate at Habacon and Han Law Offices (formerly Garcia Habacon & Han) after passing the bar. He likewise served as a legal consultant under the Office of the City Engineer in the Quezon City – Department of Engineering. Hailing from humble roots in CEMBO, Kris is the first lawyer in a family of successful Filipino seafarers, entrepreneurs, and professionals. Outside of law, he has keen interest in history, psychology, and philosophy. He enjoys listening to music and watching movies in his free time.
MARIA CRISTINA DE LOS REYES – DE GUZMAN
Associate Send Email
ALVIN S. SIAPIAN II
Associate Send Email Practice Areas Taxation Admission to the Bar January 24, 2025 Education Far Eastern University – Manila – BS Accountancy San Sebastian College – Recoletos Manila – Juris Doctor (Class Salutatorian) Professional Activities and Memberships Member, IBP CALMANA Chapter Member, Philippine Institute of CPAs Atty. Alvin S. Siapian II, CPA is an Associate of the Siguion Reyna Montecillo and Ongsiako Law Offices. Atty. Siapian earned his degree in BS in Accountancy from Far Eastern University Manila in 2016, and passed the CPA Licensure Exam the following year, May 2017. Before joining the firm, he worked as a self-employed tax practitioner; handling tax compliance and tax reporting, estate tax planning, and tax assessments for his own personal clients, which are mostly, Small and Medium Sized Entities (SMEs). He also worked as a reviewer in taxation subject in Professional Review and Training Center (PRTC) and a professor in Far Eastern University Manila, teaching basic accounting and taxation subjects. He was also invited as a resource person in Philippine Institute of Certified Public Accountant and in the Department of Trade and Industry SME Roving Academe for various taxation topics. He was also appointed by the Professional Regulatory Commission in 2018-2019 as an Accredited CPD Monitor. In 2024, he obtained his Juris Doctor Degree from San Sebastian College-Recoletos Manila, and passed the Philippine Bar Exam that same year. During his law school, he gained practical legal experience through internships at San Sebastian Office of the Legal Aid.
CHRISTIAN C. AYSON
Associate Send Email Practice Areas Labor and Employment Law Land Titles and Deeds Succession and Wills Litigation Admission to the Bar 2025 Education – Ateneo De Manila University (Juris Doctor, Dean’s Award for Second Best Thesis of Batch 2024) – De La Salle University (BS Legal Management) Atty. Christian C. Ayson is an associate at Siguion Reyna Montecillo & Ongsiako Law Offices, having joined the firm in January 2025. He obtained his Bachelor of Science in Legal Management from De La Salle University–Manila in 2018. Subsequently, he earned his Juris Doctor degree from the Ateneo de Manila University, where he was honored with the Dean’s Award for the Second Best Thesis of Batch 2024. He was admitted to the Philippine Bar in 2025 after successfully passing the 2024 Bar Examinations. Atty. Ayson provides legal support across a wide spectrum of labor and employment matters affecting businesses and organizations. His practice encompasses advising clients on labor compliance and standards, as well as assisting in the development and implementation of internal labor policies. Furthermore, he represents clients in labor disputes involving employee terminations, disciplinary proceedings, and benefit claims, with regular appearances before key labor agencies, including the National Labor Relations Commission and the Department of Labor and Employment. Atty. Ayson also provides legal support for land registration and real property cases, such as original and subsequent land title registration, land conversion, expropriation proceedings, and related transactions. His expertise includes reconstituting lost or destroyed titles, handling reconveyance, cancellation, and quieting of titles, and reclassifying properties from agricultural to residential, commercial, or industrial use when appropriate. He often works with local government units, registries of deeds, and administrative agencies to ensure statutory and regulatory compliance. Additionally, Atty. Ayson guides clients through procedural and documentary requirements, performs due diligence on land titles, and resolves issues like encumbrances, boundary disputes, and conflicting claims. Atty. Ayson is also involved in civil and criminal litigation, representing clients before trial courts, administrative agencies, and quasi-judicial bodies. He frequently appears before First Level Courts, Offices of the City Prosecutor, and other administrative tribunals. His litigation practice involves preparing pleadings, actively participating in hearings, and developing case strategies aligned with his clients’ objectives.