Cloud and a shift to agile are helping Telstra respond to changing customer needs, CIO John Romano says.. Telstra s AU$. billion digitisation effort has seen five customer Telstra s AU$ billion investment in transformation, around AU$. billion of which was were ” small innovations that have made a big impact”, the CIO said.. Estonia s chief information officer Simm Sikkut landed in Australia this Read more Telstra s investment in digitisation paying off, CIO says..Latest news, features, and slideshows on Telstra from CIO. Telstra s investment in digitisation paying off, CIO says. A year ago an agent in Telstra s service .