Undated (AP) _ Bankers Trust announced Wednesday the appointment of Wolfgang H. Demisch as a managing director in the equity research department of its BT Securities Corp. subsidiary.

Demesch, 48, a managing director with UBS Securities since 1988, will be responsible for BT Securities' coverage of aerospace, defense and high technology companies.

BT Securities is a wholly owned subsidiary of Bankers Trust New York Corp. UBS Securities is a Union Bank of Switzerland company.