Seth R. Alpert joined AdMedia Partners in 1999. He has extensive experience in the media and computer industries. From 1983 through 1993 he was an officer of Ziff Communications Company, where he held a series of senior editorial and management positions. At Ziff, he served as editor-in-chief of Computers & Electronics magazine and president of Data Decisions, a publisher of loose-leaf reference services for computer professionals. In 1985, Mr. Alpert was appointed vice president, development for Ziff with responsibility for acquisitions and business development. He went on to establish and develop the ZiffNet online service, and to conceive, develop and manage Ziff's Computer Library CD-ROM publishing division.

Immediately prior to joining AdMedia he was an independent consultant in the areas of strategic planning, product development, marketing and general management for electronic information businesses. His clients included CMP Publications, McGraw-Hill, Thomas Publishing Company, The Times Mirror Company, Reuben H. Donnelley and Value Line.

Mr. Alpert is a member of the New York City Investment Fund's Media and Entertainment Sector Group. He represents the Fund as a board observer for Marketing Technology Solutions, one of its portfolio companies.

Mr. Alpert received a BA in mathematics magna cum laude from the University of California at Berkeley, and an MA and PhD in mathematics from Columbia University.