Team > Investment Team > Daniel Rosensweig Daniel Rosensweig joined Quadrangle Group LLC in 2007 and is an Operating Principal focused on the firm’s media and communications private equity business. Prior to joining Quadrangle, Mr. Rosensweig was Chief Operating Officer of Yahoo! responsible for product development, marketing, international operations, and North American operations. Before Yahoo!, Mr. Rosensweig was president of CNET Networks, responsible for many of the operations globally, and played a critical role in overseeing the successful integration of CNET and ZDNet. During his tenure at CNET, Mr. Rosensweig was a key participant in company-wide efforts to develop and introduce innovative new Internet advertising formats, such as interactive messaging units. Before joining CNET, Mr. Rosensweig was an 18-year veteran of Ziff-Davis, where he served in many capacities, including President and Chief Executive Officer of ZDNet, Inc. from 1997 to 2000. He built ZDNet as a standalone company from Ziff-Davis, successfully took the company public, grew the business to become both profitable and among the top 20 most visited networks on the Internet, and finally merged with CNET. Mr. Rosensweig was President of Ziff-Davis Internet Publishing Group from 1996 to 1997, where he oversaw magazine titles such as Inter@ctive Week and Yahoo! Internet Life. He was Vice President and Publisher of PC Magazine from 1994 to 1996, and Associate Publisher from 1992 to 1994. Under his leadership, PC Magazine became the leading computer magazine in both audience reach and revenue.

Mr. Rosensweig received a Bachelor of Arts degree in political science from Hobart College, Geneva, New York. He is the former Co-Chairman of ONE.org, a board member of SkyRider and on the National Advisory Board of the non-profit DonorsChoose.org.