It seems this is Greg Parhams email and tel no. This from an official news release.
About PT Geomin
PT Geomin International is a locally based consultancy providing professional services to the mining industry. Headed by Greg Parham their offices are located in Darmawangsa Square, Jakarta Selatan. 12160, Indonesia,
Tel: +62 621 7280 1145, Fax: +62 621 7280 1145, Mobile: +62 812 195 3022, E-mail: greg@visualland.com