InvestmentsTop Global NewsMarketsReal Estate Marina Bay Sands’ 68-year-old wardrobe mistress is in charge of 170,000 uniforms: ‘I’m fascinated by the technology’ By financialnews_rlv83x - November 13, 2023 0 75 Helen Tan began her career in the 1970s, doing laundry. Today, she’s the keeper of a highly advanced tech system that processes hundreds of thousands of staff uniforms at Marina Bay Sands – one of the largest hotel operations in the world.