James J. Fiedler was named chairman and...

James J. Fiedler was named chairman and chief executive officer of Sattel Communications Co. Previously, Fiedler was president of Summa Four Corp.

Sattel Communications Co. is a Chatsworth maker of communications switching devices.

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* Ben Bush has been selected as a director of Access HealthNet Inc., a Westlake Village provider of information management and communications systems in the health care industry. He is president of Ben Bush Investment Management, a portfolio management firm in Pacific Palisades.

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* Donald B. Chapman has been chosen as a vice president of Bio-Enhancement Technologies Inc. in Camarillo. He previously was president of Core Group, a Camarillo advertising and graphic design concern.

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* Leslie’s Poolmart has appointed Patrick Murphy vice president of real estate and construction. Previously, Murphy had been a partner with Allstate Properties, a real estate development firm in Los Angeles.

The company also appointed James Lowe director of training and communications. Lowe previously worked for Warner Bros. Worldwide Retail.

Leslie’s Poolmart, based in Chatsworth, sells swimming pool supplies through 223 stores in 28 states.