Cumberland Advisors, an internationally renowned financial advisory firm founded in Vineland and based here for decades, celebrated 50 years in business this year. David R. Kotok, pictured, and Sheldon “Shep” Goldberg launched Cumberland Advisors in 1973, focused then on active management of bond portfolios.

The firm came to be recognized for fixed income expertise. Now based in Sarasota, FL, it is known for implementing a total return approach. Co-founder Kotok has been the firm’s chief investment officer since its inception. His articles and financial market commentaries have appeared in the New York Times, Wall Street Journal, Barron’s, and other publications. He is a frequent contributor to Bloomberg TV and Bloomberg Radio, Yahoo Finance TV, and other media.

Kotok holds a B.S. in economics from the Wharton School of the University of Pennsylvania, an M.S. in organizational dynamics from the School of Arts and Sciences at the University of Pennsylvania, and an M.A. in philosophy from the University of Pennsylvania. He has authored or co-authored four books, including the second edition of From Bear to Bull with ETFs and Adventures in Muniland.

Cumberland Advisors also recently announced its leadership succession plan. David E. Sparks has been named chairman with Kotok remaining chief investment officer. The company’s current chief executive, John R. Mousseau, remains on the board. Matthew C. McAleer will assume the role of president and director of private wealth.

Sparks joined the board of directors in 2018, and his association with Cumberland Advisors goes back more than 20 years.