MetLife, the New York-based provider of insurance, annuities and employee benefits with $52.7 billion in 2010 sales, named Marlene Debel treasurer and senior vice president. She succeeds Steven Goulart, who becomes chief investment officer. Debel, 44, joins MetLife from Bank of America, where she was global head of liquidity risk management and rating agency relations. Debel joined Merrill Lynch, now part of BofA, in 1988, and served in positions including head of corporate finance and liquidity risk management.

Northrop Grumman, the Los Angeles-based military contractor with $34.8 billion in 2010 sales, named Mark Caylor treasurer and corporate vice president. He succeeds Mark Rabinowitz, who becomes corporate vice president of finance. Caylor, 46, most recently was the company's director of banking and capital markets and assistant treasurer. He joined Northrop in 2002 as director of pricing and cost estimating for the space technology sector, after working for various aerospace companies.

Time Warner Cable, the New York-based cable company with $18.9 billion in 2010 revenue, named Irene Esteves CFO and executive vice president. She succeeds Robert Marcus, who was named president and COO in 2010. Esteves, 52, joins Time Warner from XL Group, where she served as CFO and executive vice president since May 2010. Earlier, Esteves was CFO at Regions Financial, Wachovia Corp.'s Capital Management Group and Putnam Investments. She started her career at S.C. Johnson & Son. 

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