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About Us

LIGHTS is a research and consulting firm advocating for that crucial synergy between law, ICT, and human rights. Our current focus area is privacy and data protection.


Body of Work in Privacy and Data Protection

LIGHTS consultants work extensively on privacy and data protection as evidenced by the following prior and current engagements:


  • Development of a sustainable Privacy Program for the Ateneo de Manila University (ongoing), Philippine Health Insurance Corporation (ongoing), a remittance company (ongoing), a non-life insurance provider, and car dealership companies


  • Conduct of a privacy impact assessment on specific data processing systems, including a national health expenditure survey, tuberculosis information systems, and related monitoring and evaluation activities


  • Conduct of a Data Privacy Act Compliance Workshop to various regional units of the Philippine Health Insurance Corporation, a universal bank, a global digital solutions provider across mobile, web, cloud, and legacy platforms, a medium-sized law firm, a private university and its adjunct level 3 medical center, and numerous non-profit organisations


  • Expert advice at consultations by the Office of the United Nations High Commissioner for Human Rights, World Bank, Facebook, Electronic Privacy Information Center, Meta, Department of Information and Communications Technology, Department of Health, and other government agencies


  • Speaking engagements in various international forums such as the 2021 Stockholm Internet Forum, 2015 Internet Governance Forum (Brazil), 2016 Asia-Pacific Internet Governance Forum (Taiwan), 2016 and 2019 The Citizen Lab Summer Institute (Canada), and at side events to the 2019 Human Rights Council 37th ordinary session (Switzerland) and the 2017 International Conference of Data Protection and Privacy Commissioners (Hong Kong)


  • Speaking engagements in various domestic forums such as those organized by the National Privacy Commission, Department of Information and Communications Technology, Bureau of Internal Revenue, EU-Philippines Business Network, UP Law Internet and Society Program, Association of Municipal Health Officers of the Philippines, and the Philippine Alliance of Human Rights Advocates


  • DPA Lectures at various teaching and educational institutions such as the University of the Philippines Law Center, Ateneo de Manila University School of Law, San Beda University College of Law, the Ateneo de Naga School of Law, University of Santo Tomas, and the Lyceum of the Philippines University


  • Expert opinion to various media outlets, such as the Wall Street Journal, Bloomberg News, South China Morning Post, The Straits Times, Rappler Philippines, the Philippine Daily Inquirer, ABS-CBN News, GMA News,, Interakyson, MSN News, SPOT.PH, and Reportr World

The Team

Privacy Advocates

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Senior Privacy Advisor
on leave

  • LinkedIn

Maristela Miranda

Senior Associate

  • LinkedIn

Maris is a Certified Information Privacy Manager, an ISO Privacy Information Management System - Lead Implementer and an ISO Lead Risk Manager. She regularly assists organisations with their Privacy Program development and implementation, specializing in Privacy Impact Assessments. She also serves as a trainer and resource speaker in various data protection events.

A former member of the Privacy Policy Office of the National Privacy Commission, she occasionally conducts research, writes about privacy-related issues for GMA News Online, and contributes to the development of data protection briefing papers and other guidance documents.

She has a degree in Community Development from the University of the Philippines, where she also earned her post-graduate units in Urban and Regional Planning.

Shari Datu Tambuyung

Privacy Advisor

Shari is currently part of the Ateneo de Manila University’s data protection unit, with the role of Compliance Officer for Privacy.


She is a former Development Management Officer of the National Privacy Commission, serving under its Policy Development Division. In the agency’s effort to engage with different sectors, she was also designated as overall sectoral champion for the retail industry. She has organized and conducted orientations relating to privacy and data protection.


Shari completed her undergraduate studies at Miriam College, where she earned a degree in Business Administration.

Maloy Calaquian

Senior Quality Management Advisor

Maloy is an Otorhinolaryngologist in active practice with extensive work experience involving clinical, academic, and administrative responsibilities.


He led the Philippine General Hospital in its Philhealth Certification on "Center for Excellence" in 2009 and its ISO re-certification in 2011, 2014, and 2017; and the first ISO certification of Ospital ng Muntinlupa (OsMun) in 2013. He is a major contributor to the JCI accreditation of Asian Hospital & Medical Center (2013, 2016) by leading its Quality Management Committee (2008-2013) and Clinical Pathway and Guidelines Committee (2014-present).


He took up Masters in Hospital Administration at the UP Manila College of Public Health.

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Jen works as a data protection specialist for the Ateneo de Manila University. A lawyer by profession, she has been in practice for ten years, initially as in-house counsel for private companies and later as a partner in her law firm. Outside of data protection, she also specializes in general corporate law and banking. She also handles labor, compliance, and corporate housekeeping issues as counsel for various corporations.


Jen earned her degrees in Economics and Law from the University of the Philippines.

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Jamael Jacob

Executive Director

Jam is an IAPP Fellow of Information Privacy (CIPP/E, CIPM, FIP). He is a lawyer by profession and specialises in ICT, law, and human rights. He has worked on data protection since 2011. He serves as the Data Protection Officer of the Ateneo de Manila University, and is Policy and Legal Advisor of the Foundation for Media Alternatives.


Previously, he led the policy unit of the National Privacy Commission. Today, he regularly speaks at various local and international forums, and writes for GMA News Online.

He has degrees in Sociology and Law from the University of the Philippines, an LL.M from the University of Auckland, and has taken the Summer Course on US-EU Privacy Law and Policy at the University of Amsterdam.

Ivy Patdu


Ivy D. Patdu is a physician, a lawyer, and a privacy practitioner.  She served as Deputy Commissioner of the National Privacy Commission, providing her expertise in the development of the Implementing Rules of the Data Privacy Act, other agency issuances, and the DPO ACE Training Program.

She also practices as medicolegal, handling risk management for healthcare providers, and serves as lawyer for doctors and hospitals.


She earned her degrees in medicine and law from the University of the Philippines-Manila and the Ateneo law school, respectively. She also completed her Masters in Hospital Administration from UP Manila. She is also a Certified Information Privacy Professional.

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Jen Paguntalan-Balane


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Image by Damian Zaleski


Know what LIGHTS members have to say on certain issues relating to privacy and data protection

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