August 28, 2016 6:21 PM ET


Company Overview of Xoma (US) LLC

Executive Profile

John L. Castello

Chief Executive Officer, President, and Chairman of the Board, Xoma (US) LLC
AgeTotal Calculated CompensationThis person is connected to 2 Board Members in 2 different organizations across 3 different industries.

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Mr. John L. Castello, also known as Jack, serves as Chairman of the Board, Chief Executive Officer and President of Xoma (US) LLC. Mr. Castello served as President and Chief Executive Officer of XOMA Ltd. from April 1992 to August 3, 2007. Mr. Castello served as President and Chief Operating Officer of the Ares Serono Group from 1988 to 1991 and prior to that President of the Serono Diagnostics Division from 1986 to 1988 and Chairman of Ares Serono Inc., from 1991 to ...

Corporate Headquarters

2910 Seventh Street
Berkeley, California 94710

United States

Phone: 510-204-7200
Fax: 510-644-2011

Board Members Memberships



University of Notre Dame

Other Affiliations

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