Byron Wien

Byron Richard Wien (; February 14, 1933 – October 25, 2023) was an American investor. After a long career as an executive at Morgan Stanley, he became vice chairman of Blackstone Advisory Partners, a subsidiary of The Blackstone Group. He was regarded as one of Wall Street's most prominent market strategists.

Wien's memoir, which he co-authored with former Blackstone colleague Taylor Becker, was published posthumously on November 12, 2024.

Background Byron Richard Wien was born in Chicago on February 14, 1933 to Max Wien and Anne (Lurie) Wien. Both of his parents had died by the time he was 14 years old, and he was thereafter raised by his maternal aunt Rose. Two years later, he graduated with an MBA from Harvard Business School. He spent 20 years at Morgan Stanley, finally ascending to the role of Chief U.S. Investment Strategist. During this time, he wrote weekly investment reports, and was considered among the most widely read investment writers. He also regularly appeared in the financial press, making television appearances and providing quotes for news stories. In 1995, Wien co-authored a book with George Soros on the legendary investor's life and philosophy, Soros on Soros – Staying Ahead of the Curve.

First Call named Wien the most-read analyst of 1988, while Smart Money magazine honored him as Wall Street's top strategist in 1990.

In 2006, Wien was named by New York Magazine as one of the sixteen most influential people in Wall Street.

He was on the Investment Advisory Committee of The Open Society Foundation, and a member of the Investment Committees of Lincoln Center and The Pritzker Foundation. He was a trustee of the New York Historical Society and Chairman of the Investment Committee of the JPB Foundation.

Personal life and death

Wien married Lois Rosenthal in 1960.