Siriwan Sinpan is the bar manager at The O.S.S Bar, where she plays a pivotal role in shaping the bar's unique offerings and ensuring top-notch service. Renowned for her creativity and expertise, Siriwan has crafted a new signature menu and an innovative spirit menu that have garnered widespread acclaim. 

Siriwan is also instrumental in managing relationships with spirit suppliers and coordinating seamlessly with all departments to ensure smooth operations. Her strategic acumen is evident in her effective planning of promotions and events, which have significantly enhanced The O.S.S Bar's reputation and patron experience.