Brian Plonka

Brian Plonka is an Equity Trader at Calamos Investments, where he specializes in US equity trading and brings over 25 years of industry experience to the firm. Based in Naperville, Illinois, he is responsible for executing and managing trades across a broad spectrum of US equities, with a particular emphasis on public equity markets and listed securities. Plonka plays a key role in supporting Calamos’ investment strategies by ensuring efficient execution and contributing market insights to the trading desk.

Throughout his tenure at Calamos, Plonka has advanced from Trading Assistant (beginning in 1999) to Equity Retail Trader, and currently serves as Equity Trader. His expertise encompasses US equities across various sectors, working in collaboration with portfolio managers and analysts to identify and capitalize on market opportunities. Plonka’s comprehensive experience in trade execution and market analysis has established him as a trusted professional within the firm's investment organization.

Brian Plonka holds a Bachelor of Science in Finance from Northeastern Illinois University. His contributions to Calamos Investments include facilitating efficient trading in volatile and complex market environments, enhancing operational trade workflows, and maintaining high standards of trade compliance. With deep specialization in US equity markets and more than two decades at Calamos, Plonka has demonstrated ongoing commitment to supporting institutional investment objectives through expertise and diligence in equity trading.