Och-Ziff Capital Management Group (OZ Management) is an American hedge fund manager and global alternative asset management firm. The firm operates multiple investment strategies, including multi-strategy, credit, real estate and energy. It has nearly 500 employees worldwide including offices in New York City, London, founded in 1998, Hong Kong, founded in 2001, Mumbai, founded in 2005, Beijing, founded in 2007 and Houston founded in 2015.

As of July 1, 2017, the firm has $31.8 billion in assets under management.

According to the company website, Daniel Och is Chairman of the Board, and Chief Executive Officer.

The firm is managed by the Partner Management Committee, that consists of nine executives, including Och, Jimmy Levin, Co-CIO and Head of Global Credit, David Windreich, Co-CIO, and Wayne Cohen, President and Chief Operating Officer.

The Company currently manages multi-strategy funds, dedicated credit funds, including opportunistic credit funds and Institutional Credit Strategies products, real estate funds and other alternative investment vehicles. Through Institutional Credit Strategies, the Company’s asset management platform that invests in performing credits, the Company manages collateralized loan obligations (“CLOs”) and other customized solutions for its clients.

The firm was founded in 1994 by Daniel Och with financial support from the Ziff family, founders of Ziff Davis Media. William Ziff's sons Dirk, Robert, and Daniel manage the family's investments through Ziff Brothers Investments. Prior to founding the firm, Och was Head of Proprietary Trading in the Equities division at Goldman Sachs.

The company completed an initial public offering in 2007, listing its shares on the New York Stock Exchange at $32. The firm was one of the few hedge funds and private equity companies that completed IPOs before the market downturn of 2007. Also in 2007 it became a founder member of the Hedge Fund Standards Board which sets a voluntary code of standards of best practice endorsed by its members. The company's stock has declined significantly since the IPO, reaching a 2008 year-to-date low of $4.02. On September 30, 2010, the stock was trading at $14.90.

The firm is reported to have avoided large losses during the financial crisis of 2008 and institutional capital continued to allocate funds to the company through 2010.

In September of 2016, the firm entered into settlement agreements with the United States Securities and Exchange Commission and Department of Justice, ending a five year investigation into violations of the Federal Corrupt Practices Act. As part of the deferred prosecution agreement that settled civil and criminal charges, the firm agreed to pay a $413 million fine. The African subsidiary of the firm also plead guilty to one count of conspiracy.