Utilize the input text as a context reference, choose the right relationship between Telstra and David Thodey from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Two years ago, former Telstra boss David Thodey announced the company would allow flexible work for all 35,000 of its employees regardless of their seniority.

Answer: chief_executive_officer