She replaces Charlie Smith who leaves the company with immediate effect.
Crook previously worked at Vodafone in a global role as head of brand integration and customer experience as well as general manager, brand and communications in Vodafone Australia, before joining Gap in 2005.
Her new role will include Vodafone UK’s brand engagement initiatives, advertising and sponsorship activity across consumer and enterprise customers.
She reports to Ian Shepherd, director of consumer, Vodafone UK.
Vodafone recently launched its “power to you” campaign to support its Vodafone360 web service. The company wants to reposition the brand to appeal to younger consumers and to be “more warm”.
The company recently signed a deal to retail the Apple iPhone, alongside rival networks O2 and Orange.