FINRA brought an enforcement action against securities broker John Demetrios Polemis (also known as John Dimitri Polemis) [CRD: 4270012, New York City, New York], based on disclosures on Financial Industry Regulatory Authority (FINRA) BrokerCheck. Polemis worked for Park Avenue Securities LLC from April 21, 2022, to March 1, 2024, and Stirlingshire Investments from March 18, […]