David Keller, who holds the Chartered Market Technician (CMT) designation, is the president and chief strategist of Sierra Alpha Research LLC, a boutique investment research firm focused on managing risk through market awareness. His work combines the strengths of technical analysis, behavioral finance, and data visualization to identify investment opportunities and enrich relationships between advisors and clients.

David was previously a Managing Director of Research for Fidelity Investments in Boston, where he managed the Technical Research Department as well as the legendary Fidelity Chart Room. He also co-managed the Business Associate Program, a rotational program for recent undergraduates.

Past President of the CMT Association, David currently serves as a Subject Matter Expert for Behavioral Finance. He is also a member of the American Association of Professional Technical Analysts and the International Federation of Technical Analysts.  He has lectured on technical analysis and behavioral finance as an Adjunct Professor at the Brandeis University International Business School in Waltham, MA.

David was formerly a Technical Analysis Application Specialist with Bloomberg L.P. in New York, and was a regular contributor to Bloomberg Markets magazine. He is editor of the book Breakthroughs in Technical Analysis: New Thinking from the World’s Top Minds, published in August 2007 by Bloomberg Press.

David is a classically trained musician and student pilot, and resides in Avon, Ohio with his wife and two children. He received degrees in Music and Psychology from Ohio State University.