Trenggono was graduated from Industrial Engineering Department of Bandung Institute of Technology in 1986 and Informatics Management Department of Bina Nusantara College of Informatics and Computer Management (now BINUS University) in 1988. He later graduated from Management Program of Bandung Institute of Technology and obtained his master's degree in 2006.[3][4] In 2021, he enrolled to Public Policies Program of Bandung Institute of Technology for another master's degree and doctoral degree.[5][6]
Business Careers
He started his career as programmer and system analyst of Federal Motor (now Astra Honda Motor) from 1986 to 1992. From his experiences as programmer and system analyst, he later transferred to Astra Group HQ as Manager of Management Information System, Business Development, and Supply Chain of the company from 1995 to 1997.[3]
He later moved to PT. Solusindo Kreasi Pratama, a private telecommunication infrastructure developer and provider company. Here, he worked his way until finally reached the position of General Director of this company. He held his post from 2000 to 2009.[7] Later in 2010, he moved to PT. Teknologi Riset Global Investama, an Indonesian cloud computing provider company and private telecommunication research company as General Commissioner until 2016.[7]
During his time in telecommunication industry, he become Head of Indonesian Association of Telecommunication Tower Infrastructure Developers from 2005 to 2016.[7]
As Indonesian telecommunication tower developer, he renowned as developer of 14,000 telecommunication towers across Indonesia. Due to his works and contribution for providing internet and communication access in Indonesia, he is colloquially renowned as Raja Tower or Raja Menara (King of Towers) of Indonesia.[8][9]
When Rini Soemarno, then Minister of State-Owned Enterprises, become quite problematic and often clashed with People's Representative Council at that time, many politicians including from the ruling Indonesian Democratic Party of Struggle voiced for replacing her. At that time,Trenggono was considered to be replacement of Rini, but until his first administration finished, Joko Widodo did not replace her.[10]