Kristiono serves as the President Director of Perusahaan Perseroan (Persero) P.T. Telekomunikasi Indonesia Tbk.('TELKOM'). Mr. Kristiono has been the President Director of TELKOM since June 21, 2002. He joined TELKOM in 1978 and has held several positions in various departments. Mr. Krisiono graduated with a degree in Electrical Engineering from Surabaya Institute of Technology.