Darshil Mehta joins law firm.
Breach led to the exposure of customers' Social Security numbers.
Also takes on the role of eHealth NSW CEO.
Uses recently bulked-up regulatory powers.
Aims to fend off Apple and Chinese rivals.
Underpinned by Appian technology.
Supported retailer's delivery of SAP SuccessFactors-based HR platform.
Follows departure of former tech lead in November.
Part of US$10 billion funding round.
Class action filed on behalf of millions of Premium users.