Arneta Raisha Nanako earned her Bachelor of Laws degree with a Cum Laude distinction from the Faculty of Law, Universitas Indonesia. During her time in university, she was actively involved in a business law organization.

She joined ATD Law in association with Mori Hamada in 2024 and has since been involved in a wide range of corporate transactions, including mergers and acquisitions, general corporate advisory, as well as energy and renewables projects.