David Thodey engineered a stunning turnaround at Telstra , extending its dominant position in the mobile sector, negotiating lucrative agreements with the government (twice) over the National Broadband Network, selling off non-core assets and cutting expenses.
Utilize the input text as a context reference, choose the right relationship between 'David Thodey' and 'Telstra' from the options.
Options: owner of, parent organization, employer, position held