A veteran banker covering Southeast Asia at BNP Paribas Wealth Management (BNP Paribas WM) is set to leave the bank, Asian Private Banker can reveal. Sin Wey Kian, managing director and team head in Singapore, has recently resigned from the French bank. BNP Paribas WM declined to comment. Sin spent a significant part of his career at BNP Paribas WM,…