I received a copy of the following memo announcing Mitchell Habib's departure from Citigroup from a Citigroup employee... \u00a0To: North America Operations & Technology EmployeesFrom: Rich Garside North America O&TDate: October 25, 2006 Subject: Organizational AnnouncementToday, we are announcing that Mitchell Habib, who has led our North America Information Technology function, will be leaving Citigroup on November 1st. Mitchell has agreed to continue providing expertise and support on some key initiatives during the transition period.Since joining the organization in June 2004, Mitchell has been instrumental in shaping the direction of Information Technology across North America. We will continue to leverage the vision, strategy, operating model and structural framework as we move forward.Under his leadership, the team has made significant progress on multiple fronts -operational excellence, strengthening control functions, improving financial performance, simplifying the environment and defining an integrated technology roadmap for the NA Consumer Group that creates a single, common view of the customer across all operations. In addition, the team has focused on talent, education, communications and performance management. I appreciate and thank Mitchell for his contributions to the team over the past 2-plus years.We will establish the following reporting relationships on an interim basis as we transition to a new leader: Jeff Saunders \u2013 RDNA, Al Evans - Cards, Virginia Bonaro \u2013 CBG (Interim), Don Eichenseer - eBusiness, Mike Gehlen \u2013 Business Intelligence and Susan Preziosa \u2013 Collections, will report to Andrew Cawood \u2013 CIO, CLG. Jan McManus - Resource Optimization, Brian Boyer \u2013 Site Consolidation, Beth Tate \u2013 Risk and Control, Kathie Miller \u2013 Communications and Education, and Charles Blauner \u2013 Information Security, will report to Shawn Varnadore \u2013 Chief of Staff. Robby LeBlanc \u2013 CFO will report to Walt Mulflur. Andrew and Shawn, Kevin Denneny - CTO, David McClymont - Infrastructure, and Nancy Hoover Ubal \u2013 HR, will report directly to me.I would ask you to join me in wishing Mitchell all the best.\u00a0Editor's update 10\/23\/07: CIO Senior Editor Kim S. Nash spoke with Habib about his management style, reputation and approach to transforming IT at Nielsen in this Q&A with him. Also read Senior Editor Stephane Overby's article about Nielsen's $1.2 billion outsourcing contract to Tata Consultancy Services.