Joseph C Mattina

Joseph C. Mattina is a highly experienced audit professional currently serving as Chief Auditor at Ziff Davis since May 2021. Previously, Joseph occupied the Chief Auditor position at Icahn Enterprises from January 2006 to March 2020, where the internal audit function and framework were established during a significant transition within the firm. Additional leadership roles include serving as Director and Chairman of the Audit Committee at XO Communications and Chairman of the Audit Committee at Philips Services Corporation. Joseph also held various positions at ING, including Vice President, Audit Manager, and Site Manager, responsible for internal audit activities involving substantial assets under management. Early career experience includes roles such as Assistant Vice President at US Trust and Auditor at The Chase Manhattan Bank. Joseph holds a Master of Business Administration in Finance and a Bachelor of Science in Accounting from St. John's University.