Gregory Blotnick

Gregory Blotnick is an investor, entrepreneur, and author based in West Palm Beach, Florida.

Blotnick was most recently the founder and portfolio manager of Brattle Street Capital LLC, a long/short equity hedge fund in New York City focused on small and mid-cap opportunities within the Consumer & Retail industry. Previously, Blotnick worked at the hedge funds Citadel LLC, Schonfeld Strategic Advisors, and several other long/short equity funds in the New York area. Since 2009, Blotnick has continued to develop broad expertise across the Consumer sector, analyzing hardlines, softlines, consumer durables and consumer technology stocks. He frequently writes and publishes research on equity investing and on trends in the Consumer sector.

Beyond his investment work, Blotnick has been a regular financial contributor, writer and commentator since 2012.  His insights and analysis have been featured across financial media outlets including Fortune, Kiplinger, Forbes, CFA Institute, MarketWatch, and many more, with readers praising his ability to clearly communicate and break down complex financial concepts to broader audiences without losing analytical rigor. Blotnick’s primary area of focus is on behavioral finance and investor psychology, tracking the cognitive biases that can lead individuals into poor decision-making, negative feedback loops and adverse outcomes. In 2025, he published his first book, Blind Spots: A Riches to Rags Story.

Blotnick holds an MBA from Columbia Business School and a Bachelor of Science in Finance from Lehigh University. He currently resides in Palm Beach County.