Abraxas Petroleum Corp. announced a change in leadership roles. William H. Wallace, has resigned as VP of Operations to pursue other career opportunities. The Board of Directors of Abraxas has appointed Mr. Kenneth W. Johnson, currently the company’s Regional Operations Manager, as the new VP of Operations. Mr. Johnson is a tenured member of the company’s management team and has managed various operations at the company and its predecessor companies since 2000. Prior to the company, Mr. Johnson served as a consultant to various operators in supervisory and operations management roles across the US including the Mid-Continent, Rockies, and Gulf Coast regions.