John E. Vollmer Iii.

Senior Vice President, Patterson-UTI Energy, Inc.

Companies

Patterson-UTI Energy, IncChief financial officer Apr 29, 2008 to May 4, 2017¹
Patterson-UTI Energy, IncSenior Vice President Aug 3, 2006 to Apr 24, 2007²

Sources

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

1
SEC EDGARPatterson-UTI Energy, Inc, Chief financial officer
2
SEC EDGARPatterson-UTI Energy, Inc, Senior Vice President