Mark Tierney

Mark Tierney has extensive experience in technical services and sales within the energy sector. Currently serving as Technical Services Manager at DuBose National Energy Services, Inc. since February 2017 and as Technical Sales Representative/NDT Level III since September 2013 at DuBose NES, Inc., Mark has developed a strong expertise in technical sales and nondestructive testing. Prior to these roles, Mark worked at Laboratory Testing, Inc. for over 25 years, concluding as Technical Sales Manager.