Dish Network Corp. recently made several changes to its senior management team and organization.

Bernie Han has been named as Dish Network’s new chief operating officer after formerly serving as executive vice president and chief financial officer. In his new, expanded role, Han will now oversee Dish Network's operations, information technologies and finance functions.

Dish Network also announced that executive vice president Tom Cullen has assumed additional leadership responsibilities. Starting yesterday, Cullen now oversees all Dish Network sales and marketing functions, in addition to his existing management of programming operations. Both Han and Cullen report to Dish President and CEO Charlie Ergen.

Reporting to Han in his new position is Robert Olson, who joins Dish as executive vice president and CFO. Olson was most recently CFO of Trane Commercial Systems, the largest operating division of American Standard.

He also served as CFO of AT&T's Consumer Services division and later its Business Services division.

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