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Dr. Leonardus W Wasono

Telkomsel, Indonesia
Former Chief Financial Officer
Mr. Leonardus Wahyu Wasono, known as Sonny, has served as CFO of PT TELKOMSEL since June 2020.  Previously, he was Chief Finance and Business Partner Officer of PT Telekomunikasi Indonesia International (TELIN) (2016-2020). While in TELIN, Sonny has served various strategic roles, including Non-Executive Director of Telekomunikasi Indonesia International Pte. Ltd. (Telin Singapore) (2016-2020), Chairman of Telekomunikasi Indonesia International Australia Pty. Ltd. (Telin Australia) (2018-2019), Non-Executive Director of Telekomunikasi Indonesia International Malaysia (Telin Malaysia) (2017-2018),  Chairman of Telekomunikasi Indonesia International Timor Leste (Telkomcel) (2017-2018), and Commissioner of Telkom Infra (2015-2017). 
Prior to joining Telin, he managed to lead senior roles in Telkomsel, for instance, Senior Vice President Enterprise Resources Planning (2016) and Vice President Financial Planning & Analysis (2012-2016). Sonny graduated with a bachelor’s degree in Telecommunication Engineering from Sekolah Tinggi Teknologi Telkom, Bandung, a master’s degree in Telecommunication Engineering from the Royal Melbourne Institute of Technology (RMIT), Australia, and a Doctoral degree in Strategy and Growth from Bina Nusantara University.