Presently, Dedet Yandrinal occupies the position of President Commissioner for PT Trikomsel Oke Tbk and President Commissioner of PT Globe Kita Terang Tbk.

Mr. Yandrinal previously occupied the position of President Director at PT Leo Investments, Corporate Secretary & Director at PT Indo Komoditi Korpora Tbk, Director at PT Northcliff Citranusa Indonesia Tbk, Director at PT Multi Agro Gemilang Plantation Tbk, Partner at Suriadi & Partners Law, Secretary at PT Mitra Energi Persada Tbk and President Director at PT Samindo Resources Tbk.

Dedet Yandrinal received a graduate degree from the University of Indonesia.