David Mazzullo

David J. Mazzullo is Managing Principal and Portfolio Manager at Cannell & Spears, based in New York, NY, where he helps oversee the firm's $5.8 billion in assets under management. In his role, he is responsible for leading investment strategies, research, and portfolio management, with a particular emphasis on both equity and fixed income portfolios for institutional and high-net-worth clients.

Mazzullo's sector specialization includes large-cap U.S. equities, particularly within information technology, financial services, and select industrials, aligning with Cannell & Spears’ major holdings such as Microsoft, Apple, Alphabet, and Berkshire Hathaway. He is also experienced in identifying undervalued securities and growth opportunities across evolving industries, utilizing fundamental company research and active security selection as core parts of his investment approach.

Prior to his tenure at Cannell & Spears, Mazzullo served as a director on the Jones Trading board from 2007 through 2018 and has established a reputation as a leader in the institutional equity industry. He holds a BS from Boston College and has studied at the London School of Economics, underscoring his extensive knowledge in finance and capital markets.