Siegfried W. Kiefer
Managing Director, Utilities
Mr. Kiefer is responsible for ATCO Gas, ATCO Pipelines and ATCO Electric.

Michael M. Shaw
Managing Director, Global Enterprises and ATCO Ltd. Corporate Development, ATCO Group
Mr. Shaw is responsible for ATCO Frontec, ATCO Structures, ATCO Noise Management, ATCO Midstream, ATCO I-Tek, and ATCO Travel.