Anthony also known as Tony went to two different universities which are Yale University and Harvard University. He acquired a J.D from the Harvard School of Law and Ms as well as Bs mathematics Degrees from the University of Yale. Tony began his career in 1979 when he joined Baker and McKenzie law firm. Between 1986 and 1991, he worked for the New York office of the law company serving as the Managing Director. In 1991 he started working at Nabors Industries, and he started off as the Chief Operating Officer. For the nine years that followed he had the position of Deputy Chairman and worked in the same position until 2012. He served in the position of a Chief Operating Officer for a year where he was later appointed as the president of the organization. In 2011, Tony served as the CEO of the company.
Nabors Industry is located in Hamilton Bermuda and is taken to be one among the largest natural gas drilling contractor as well as the largest geothermal across the globe. This fact gives a clear impression that the company is under great leadership and is succeeding in the world. The company operates in many regions, for instance, the United States of America Africa. Tony played a major role in making the company known across the globe since it started as a small Anglo Energy to the mega-firm it is now. The company is at the moment well-represented and respected across the globe as a result of great leadership and contribution from Anthony Petrello.