While at the CIO 100 conference in Coronado, Calif., I learned on Monday that John Sullivan is leaving AARP.\u00a0 A source close to Sullivan told me that Sullivan has accepted the CIO post at the American Chemical Society\u2019s publications division.\u00a0 My source, who had just heard that morning that Sullivan would be stepping down, seemed surprised and sorry to hear that Sullivan would be leaving.\u00a0 \u201cHe\u2019s a good guy,\u201d my source said of Sullivan with sincerity.\u00a0 Also earlier this week, MetLife promoted its CIO, Steven L. Sheinheit, to executive vice president.\u00a0 Sheinheit assumes additional responsibility for global sourcing and the enterprise-wide Travelers\u2019 project management office while maintaining his role as the top IT strategist.\u00a0 He continues to report to MetLife\u2019s Senior Executive Vice President and Chief Administrative Officer, Catherine A. Rein.\u00a0 Sheinheit has served as SVP and CIO since January 2005.\u00a0 From November 2000 to January 2005, he was the company\u2019s chief technology officer. Initially responsible for the company\u2019s enterprise-wide infrastructure, he later received oversight of enterprise application development.Yuh-Mei Jong Chang was promoted to vice president and CIO for debt management operations at Sallie Mae.\u00a0 Chang, who is based in Fishers, Ind., is responsible for information services and technology across General Revenue Corporation, Pioneer Credit Recovery, Student Assistance Corporation and Portfolio Management. She joined USA Group in 1985. Chang holds master\u2019s degrees in computer science and psychology from Indiana University and Northern Illinois University, respectively, and a bachelor\u2019s degree from National Taiwan University in Taipei, Taiwan.\nAlso at Sallie Mae, Cheri Dayton was promoted to vice president of systems development.\u00a0 Dayton, also based in Fishers, Ind., is responsible for information technology teams within loan originations, guarantee processing, disbursement processing, and customer information support, loan origination software releases and other system upgrade projects. She joined USA Group in 1991 and earned an associate\u2019s degree in computer programming from Indiana Vocational Technical College.I got an e-mail on Tuesday from Phil LaBelle, who last month started working at Seneca Niagara Casino in Niagara Falls, N.Y., as its new vice president of information technology on July 14, 2005.\u00a0 All of IT reports to LaBelle, who reports to the senior vice president of finance and administration.\u00a0\u00a0 LaBelle spent the last 12 years working in the hospitality industry.