Richard Kistenmacher has joined Marinette Marine Corporation, Marinette, Wis., as chief estimator. His responsibilities include estimating of labor and material costs for all new construction, proposal work, and customer modifications.

Mr. Kistenmacher has more than 20 years' estimating experience and was most recently director of estimating for Equitable Shipyards Inc., New Orleans, La. Prior to Equitable he was chief estimator for Wiley Manufacturing in Maryland.