John M. Butler

Senior Vice President, CMS Energy.

Companies

CMS EnergySenior Vice President Jul 26, 2006 to Mar 23, 2017¹
CONSUMERS ENERGY COSenior Vice President Jul 26, 2006 to Jul 26, 2006²

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARCMS Energy, Senior Vice President
2
SEC EDGARCONSUMERS ENERGY CO, Senior Vice President