Sigit obtained his law degree from the Faculty of Law, Universitas Gadjah Mada, and got his Master of Law degree with Maxima Cumlaude predicate from Postgraduate Program, in Universitas Diponegoro. He brought into the firm his expertise and experience of legal practice, both consulting and litigation.

He is also a licensed advocate and member of the Indonesian Advocate Association (PERADI), a member of the Capital Market Legal Consultants Associations (HKHPM), an accredited mediator certified by the Indonesian Mediation Center, a licensed legal counsel in Taxation Court, a registered Receiver and Administrator with the Ministry of Law and Human Rights of the Republic Indonesia and a member Association of the Indonesian Receiver and Administrator (AKPI), as well as a registered Certified Liquidator Indonesia and a member Association of Indonesian Liquidator (PPLI).

He speaks both Bahasa Indonesia and English.