Our Team

Sarah obtained her Juris Doctor degree from the Centro Escolar University (CEU-Makati) and was admitted to the Philippine Bar in 2022. She also graduated from Saint Louis University (SLU-Baguio) obtaining a BS Accountancy degree. She is also a Certified Public Accountant (CPA).

Prior to joining the firm, she was an Associate Director at SyCip Gorres Velayo & Co. (Ernst & Young Philippines) gaining experience in providing business tax advisory services. She had previously worked as a tax paralegal in SyCip Salazar Hernandez & Gatmaitan Law Offices in Makati while studying in law school.

She had a brief stint in the government as a Corporate Governance Officer in a central policy-making and regulatory body for government-owned or controlled corporations (GOCCs).

Sarah is a member of the Integrated Bar of the Philippines (IBP) and the Philippine Institute of Certified Public Accountants (PICPA).

Pram holds a Juris Doctor degree from Ateneo de Manila University – School of Law where she also successfully completed all the requirements for the Corporate and Business Law Track with a focus on Corporate Finance.

She also holds a BS Accountancy degree from De La Salle University – Manila and is a Certified Public Accountant.

After graduating from college, Pram worked as a management trainee in a garments manufacturing company that supplied more than 75 department stores in the Philippines.

During law school, Pram was an active member of the Ateneo Society of International Law. As part of the said organization, she competed twice in the Foreign Direct Investment International Arbitration Moot during the years 2019 and 2021. She also won the highest individual award in the 2021 competition – the Thomas Wälde Award for Best Advocate.

Julius obtained his Juris Doctor degree from the De La Salle University Tañada-Diokno College of Law in 2021 and graduated in the top 25% of his class. He earned his Bachelor of Science in Business Administration Major in Export Management from the De La Salle – College of St. Benilde in 2015.

Prior to joining the firm, Julius has a demonstrated history of working in the legal services industry ranging from the private sector to public sector where he resolved Environmental and Natural Resources (ENR) cases and Civil Service administrative complaints, conducted investigation and assisted in the Alternative Dispute Resolution of ENR disputes, reviewed and evaluated Government Procurement and Infrastructure Project contracts, and assisted in the settlement of Tax Deficiency Assessment against a National Government Agency. Likewise, Julius has experience in Securities and Exchange Commission regulatory compliance, Public Land application, Intellectual Property management involving Mergers & Acquisition transactions, public financial management, civil law, and criminal law.

Mae holds a Juris Doctor degree from Ateneo de Manila University – School of Law in 2022 where she received the Second Best Thesis Award for her scholarly work in Corporation Law. She also obtained a specialization in Corporate and Business Law Track with a focus on Corporate Litigation.

Mae also holds a BS Psychology degree from the University of Santo Tomas where she graduated Cum Laude.

During law school, Mae served as Subject Head for the Ateneo Central Bar Operations for Revised Corporation Code and Foreign Investments Act for two consecutive years. In 2021, she served as External Vice President of the Ateneo
Center for International Economic Law.

John is a Philippine lawyer who was admitted to the Bar in 2022.

John obtained his Juris Doctor degree from the University of the Philippines College of Law and his Bachelor of Arts in Economics, Minor in Literature, degree from Ateneo de Manila University.

He was acknowledged for his excellent performance in his internship with the UP Law’s Office of Legal Aid and received a similar distinction in his externship with the Office of the Solicitor General. John was an active member of the UP Law Bar Operations Commission, and was part of its Core Team from 2020 to 2022.

John wrote for the GUIDON, Ateneo’s official student publication.

Donn Marie Isabelle M. Balina (“Ching”) is a Juris Doctor candidate from Ateneo de Manila University – School of Law where she specialized in Intellectual Property under the Corporate and Business Law Track. In law school, Ching was the Marketing Head for the Ateneo Central Bar Operations and helped start projects and earn sponsorships to raise funds for bar takers.

She has a Bachelor of Arts Degree in English Literature from Ateneo de Manila University, where she spent her college years serving The GUIDON, the university’s official school publication. She wrote for The GUIDON’s for Vantage Magazine before becoming the publication’s Social Media Manager.

Vica holds a Juris Doctor degree from Ateneo de Manila University – School of Law where she graduated with Second Honors in 2023. She also holds a Bachelor of Science in Management of Financial Institutions degree from De La Salle University – Manila.

During law school, Vica was a member of the Ateneo Society of International Law and was an intern at the Ateneo Legal Services Center.

Myna obtained her Juris Doctor degree from the Ateneo De Manila University – School of Law in 2023 where she specialized in the Corporate and Business Law track focusing on Intellectual Property. She was admitted to the Philippine Bar in the same year.

Myna also holds a BA Political Science degree from the University of the Philippines – Manila where she graduated Magna Cum Laude.

During law school, Myna was an active member of the Ateneo Society of International Law. She participated in different moot court competitions including the Foreign Direct Investment International Arbitration Moot in 2021 and the Stetson International Environmental Moot Court Competition in 2023.

Josh obtained his Juris Doctor degree from the University of the Philippines College of Law in 2023 and was admitted to the Philippine Bar in the same year.

He also holds a BA Political Science degree from the University of the Philippines – Diliman where he graduated Cum Laude.

During law school, he received a distinction for his performance in his internship with the UP Law’s Office of Legal Aid. He also did his externship under the Office of the Solicitor General.

Jeremy holds a Bachelor of Science in Accountancy from City College of Calamba.

Prior to joining OS Law, Jeremy was an associate in a local law firm where he was extensively exposed to diverse engagements, including: general tax advisory, tax compliance and regulatory applications for permits and licenses involving various Philippine government agencies such as the Bureau of Internal Revenue, the Securities and Exchange Commission, and the Philippine Economic Zone Authority.