Andreas adalah seorang aktivis hukum di bidang kemaritiman. Beliau meraih gelar sarjana hukum dari Fakultas Hukum Universitas Indonesia (2014) dan gelar Master of Laws (LL.M.) dari University of California, Berkeley dengan spesialisasi Hukum Lingkungan (2022). Saat ini Andreas adalah Penasihat Senior untuk Keamanan Maritim di Indonesia Ocean Justice Initiative. Sebelumnya, dia adalah kuasa hukum Satgas Pemberantasan Illegal Fishing yang dibentuk Presiden pada 2015. Andreas juga merupakan alumnus Rhodes Academy of Oceans Law and Policy (2016) dan United Nations-Nippon Foundation Fellowship Program (2019).

1. Genuine link dan fisheries crime (illegal fishing) di Indonesia. Universitas Indonesia, 2016.
2. Jurisdiction of Coastal State Bordering the Straits Used for International Navigation over Foreign Illegal Fishing Vessel in Transit: Ending the Use of Transit Passage for Escapement. UN-Nippon Foundation Fellowship. Editing Process.
3. The Impact of Inter-State Dispute on Environmental Sustainability and Human Security: A Case of North Natuna Sea. Springer, Global Challenges to Maritime Security: Sustainability and the Sea. Peer review process.
4. Legal Development on Illegal Fishing and Transnational Organized Crime: Wayforward. Cambridge Handbook on the Law of the Sea. Peer review process.

1. Morat-Marit Teluk Benoa. Kompasiana, 2019.
2. Protecting our sovereign rights in North Natuna Sea. The Jakarta Post, 2020.
3. Commemorating the 2016 Arbitral Tribunal Award on the South China Sea. ModernDiplomacy, 2020.
4. How free is the freedom of navigation, right to sail? The Jakarta Post, 2023.
5. BBNJ: Why does it matter to Indonesia? The Jakarta Post, 2023.
6. Perspektif Hukum Pemanfaatan (Sedimentasi) Pasir Laut. Kompas.id, 2023.