The Power to Deliver

Leadership Team

Citadel's Leadership Team is made up of highly experienced professionals fully committed to the delivery of an extraordinary drilling experience to our clients.

Dan Hoffarth
Chief Executive Officer

Dan has come up through the ranks, starting his career as a Floorhand and working through all positions in a drilling contractor environment. Pre-Citadel, Dan was VP Marketing for Nabors Drilling. Experienced in start-up, mid-size and large company environments in domestic and international roles, Dan brings to the company a depth in management, construction, sales and operational capacities. He is a founding member of Citadel Drilling with over 27 years of experience in the drilling and service sector of the industry.


Corey Zahn
Chief Financial Officer

Corey is a founding member of Citadel Drilling and brings a wealth of experience formulating and executing on financial and operating strategies. Corey has been VP Finance and CFO of seven public and private oil and gas service companies, most recently Palko Environmental and Century Frac Services. Mr. Zahn also spent 14 years with KPMG LLP as a senior manager, a role that afforded him a broad range of experience in corporate finance, tax and accounting activities.


Dave Vogel
VP Operations

To gain full knowledge of drilling operations, Dave has worked in the field from Floorhand up to Field Superintendent. His 30 years of experience in the drilling industry includes his most recent position as Drilling Manager for Nabors Drilling, which included the management and direction of one of that company’s largest accounts. As a founding member of Citadel, Dave has a solid base of knowledge and experience in the construction and operation of triple AC rigs of the same depth category Citadel is building and operating.


Doug Robinson

As a founding member and Company Controller, Doug’s strengths lie in implementing user-friendly finance and operating systems that work soundly. He has held Controller or Management positions with Wellco Energy Services, Peak Energy Services, Century Frac Services and Calfrac Well Services, where he was Manager of Financial and Business Systems for all countries in which Calfrac operated. He brings over 19 years of experience strengthening finances in the oil and gas service industry.


Barry Little
Construction and Maintenance Manager

Drilling rigs must be in Barry’s blood because he’s managed or assisted in the construction of over 20 drilling rigs. Many were the AC variety similar to the rigs Citadel is building. He has also managed the retrofit and recertification of over 30 drilling rigs. Barry began his drilling career in the field over 20 years ago with Trinidad Drilling and has also worked with Precision Drilling, Lakota Drilling and most recently as Construction Superintendent for Savanna Drilling. Barry’s prior experience and general drilling rig knowledge are great assets to Citadel’s operations.


Dave Hoffman
General Manager, Citadel Drilling (USA) Ltd.

Dave joined Citadel in April 2014 as a Drilling Superintendent and has 20 years of experience in the drilling industry. Prior to that Dave was a Field Superintendent for Nabors Drilling, primarily looking after deep basin and foothills projects. Dave started as Floorhand and worked through the ranks to Rig Manager prior to being promoted to Field Superintendent two years ago. He has spent the past five years directly working with AC triple walking rigs using a wide variety of pad configurations in long-reach horizontal shale gas plays similar to the TA²CT series rigs that Dave is supervising at Citadel. Dave was promoted to the role of General Manager, Citadel Drilling (USA) Ltd. in May 2018.


Dave Wicks
Sales and Contract Manager

With over 21 years of sales experience, the past 12 years directly in the oil and gas industry, Dave focuses on marketing drilling rigs of various depth capacities while establishing professional relationships with his clients. It’s his ability to create strong and lasting relationships that makes Dave a great asset to Citadel. Prior to joining us, he was with Nabors Drilling where he sold AC and pad-style drilling rigs similar to the rigs Citadel is building.


Wayne Wait
QHSE Manager

Wayne started with Citadel Drilling in March of 2014 and has over 40 years of drilling industry experience, most recently as HSE Manager for Nabors Drilling Canada. He began his career working on drilling rigs and worked his way up to Rig Manager and WellSite Supervisor at various companies. Wayne transitioned into the safety field in 1987 and is renowned for his understanding of safety industry requirements, both for employees and clients as they relate to the drilling industry.


Roy Cleveland
Human Resources Manager

Roy Cleveland joined Citadel Drilling on January 26, 2015 as the new Human Resources Manager. Roy brings to the Company more than 25 years of experience working in human resources. He has a strong generalist background and has held similar leadership roles in the transportation, logistics and telecommunications industries. Roy holds an MBA from Royal Roads University and is recognized as a Certified Human Resources Professional.