(Reuters) - Office sharing startup WeWork said on Thursday that Kirthiga Reddy, partner at SoftBank Investment Advisers since 2018, would join its board.Reddy's appointment comes nearly a week after WeWork named Sandeep Mathrani chief executive officer.Reddy was previously managing director of Facebook's operations in India and South Asia. At SoftBank Investment Advisers, Reddy has been overseeing investments in healthcare, the company said."In partnership with the SoftBank Vision Fund, we..