The private banking arm of Canadian-lender, RBC, adds three senior bankers to its Indonesia-focussed sales team, less than a month after the bank announced a series of Hong Kong and Singapore-based hires. With over 70 years of combined industry experience, Samuel Witjaksono, Reto Caviezel and Kusnadi Sudikarman, join RBC Wealth Management’s Singapore team. Witjaksono is hired as executive director, reporting…