Aldi is a managing partner at AP Advocates. He specialises in business law, commercial law and corporate law. However, he has also taken cases in the areas of criminal law and corporate crime. In addition to being an advocate and a member of the Indonesian Bar Association, Aldi also has an AKPI licence as an Indonesian administrator and receiver.

During his 12 years as an advocate, Aldi has handled cases of national and multinational companies engaged in financial services including insurance and banking, and other companies engaged in oil and gas; mining; telecommunication; the automotive mobile industry; medical and pharmacy; media; investment; shipping; and contractual matters within the scope of non-litigation and litigation (such as labour, insurance, bankruptcy and investment disputes). Aldi has also handled general corporate matters, corporate actions (such as IPOs, rights issues, obligations and M&A transactions worth trillions of rupiahs), and establishment of investment companies.