Mr. Atmanto has been CEO of PT Indosat Mega Media or popularly known as  IM2, a leading internet and multimedia provider in Indonesia, since 2006. Many  initiatives have been taken during his tenure to position IM2 as the prime  mover of Broadband Mobile services in Indonesia. IM2 performance is well  respected by other operator in the market. IM2 received both national and  international recognitions such as Winner of The Most Innovative Broadband  Wireless from WBA (World Broadband Alliance, Top  Brand Award, and Call Center Award from respected institutions in Indonesia.

Prior joining PT IndosatMegaMedia, Mr. Atmanto served as Commercial Director  of PT Aplikanusa Lintasarta. During his tenure as Commercial Director, the  company had managed to grow surpassing the market growth. Bringing VPN/IP  services into the main street was a key to achieve the growth level. During the  time, he also represented the company as Commissioner of PT Artajasa Pembayaran  Elektronis, a major provider of electronic transaction in Indonesia.

In the past, he has  held board level  position in various companies such as Commissioner of PT EDI (Electronic Data  Interchange), Commissioner of PT IndosatMutimediaMobile (IM3)-the first mobile  multimedia provider in Indonesia, Commissioner of PT Satelindo-a second largest  mobile operator, as well as Director of PT Bimagraha Telekomindo. He has  also spent his professional experience in various management positions  at PT Indosat including Corporate Secretary, Strategic Corporate  Development-General Manager, and Marketing-General Manager.

Mr. Atmanto was graduated from Bandung Institute of Technology-ITB-Indonesia  in 1986. He received scholarship form OTO Bapennas of government of Indonesia to continue graduate program, and earned  Master degree in Business Administration with specialization in  Telecommunication Management and Finance, from University of Miami, USA  in 1993.

Mr. Atmanto is now a member of Profession and Association Board of  MASTEL-Indonesian Telecommunication and Information Community, and also a  Member of Advisory Board of APMI (Indonesia Multimedia Provider  Association).