Paul Mattaliano Obituary, Boston Financial Community Mourns Seaport Research Partners Managing Director After Passing at 57

The Boston financial community is mourning the loss of Paul Mattaliano, a respected investment professional and Managing Director at Seaport Research Partners, who passed away on Tuesday, July 14, 2026, at the age of 57. His death marks the loss of a highly regarded leader whose more than three-decade career in institutional equity sales and capital markets earned him the respect and admiration of colleagues, clients, and professionals throughout the industry.

Mattaliano was recognized as a trusted figure in Boston’s investment community, where he built a reputation for professionalism, financial expertise, and strong relationships. Throughout his career, he worked closely with institutional asset managers, hedge funds, and investment advisors, earning recognition for his ability to understand client needs and provide thoughtful guidance in a constantly changing financial environment.

At the time of his passing, Mattaliano was serving as Managing Director at Seaport Research Partners, where he continued the work that defined his career  connecting investors, companies, and financial professionals through deep market knowledge and long-standing relationships. Colleagues remembered him as a skilled professional who brought integrity, collaboration, and a steady approach to his work.

Before joining Seaport Research Partners in 2021, Mattaliano held several influential positions within the financial services industry. He previously served as Managing Director and Head of Sales at Compass Point Research & Trading, where he played an important role in strengthening the firm’s presence in the Boston market. His leadership and experience helped support the firm’s relationships with institutional investors and financial partners.

Mattaliano also served as Managing Director of Equities at Janney Montgomery Scott LLC, contributing to the company’s equity operations and regional leadership efforts. His experience across different areas of the investment industry reflected his broad understanding of capital markets and his ability to lead teams through periods of change.

Earlier in his career, Mattaliano spent nearly 12 years at Keefe, Bruyette & Woods (KBW), where he served as Director of Equity Sales for Boston and Senior Vice President. During his time with the firm, he developed strong connections with institutional clients and became known for his commitment to excellence, reliability, and professionalism.

Beyond his professional accomplishments, Mattaliano was admired for the relationships he built throughout his career. Many colleagues viewed him not only as a knowledgeable financial expert but also as a mentor and trusted adviser. His willingness to share experience and support younger professionals made him an important influence for many beginning their careers in finance.

Mattaliano’s educational background provided the foundation for his successful career. He earned a Bachelor of Arts degree from Trinity College in Hartford, Connecticut, before completing his Master of Business Administration at the University of Virginia’s Darden School of Business in 1994. Throughout his life, he maintained strong connections with both institutions and remained committed to supporting future generations of business professionals.

Friends and colleagues have remembered Mattaliano as someone who combined professional excellence with genuine kindness. While he achieved significant success in the competitive world of finance, those who knew him emphasized the personal qualities that defined him — his generosity, loyalty, and dedication to the people around him.

His passing has created a deep sense of loss among members of Boston’s financial community and beyond. Colleagues, clients, and friends are reflecting on the many contributions he made during his career and the lasting impact he had on those fortunate enough to work with him.

As family, friends, and professional associates mourn his death, they are honoring Paul Mattaliano’s legacy as a respected leader, mentor, and friend. His influence on the investment community will continue through the relationships he built, the professionals he guided, and the example he set throughout his distinguished career.