
Graeme Wallis
Chairman
Graeme has been Managing Director since 1980 and is responsible for all aspects of Wallis Drilling. He spent 5 years in the finance industry and since then he has been with the company for over 40 years.
Relevant Qualifications & Memberships
- Member of Institute of Company Directors.
- Life membership of both Australian Drilling Industry Association and Mineral Drilling Association of Australia

Jamie Wallis
NON-EXECUTIVE Senior Director
In 1964, Jamie and his father started Wallis Drilling, initially operating in the Northern Territory but later in Western Australia and then the rest of Australia. With over 40 years in executive roles within the business he has been central to the design and construction of drilling rigs, development of the Wallis Air Core drilling system, and lead many overseas drilling projects.

Mark Crumby
Managing Director
Mark joined Wallis in 2009 following ten years in executive roles at the ANZ Banking Group.
Relevant Qualifications & Memberships
- Masters of Business Administration
- Graduate of the Australian Institute of Company Directors
- Member of the Australian Institute of Directors

Grant Wallis
Director and chief operating officer
Grant has more than 20 years' experience with Wallis Drilling in management roles. He has managed the Iron Ore, Mine Services, International and Exploration drilling divisions. Grant transitioned into the role of Chief Operations Officer in November 2021, having accountability for the operational and administrative functions of the business.
Relevant Qualifications & Memberships
- Bachelor of Business from Edith Cowan University
- Frontline Drilling Management
- Graduate of the Australian Institute of Company Directors
- Australian Drilling Industry Association (ADIA)

Kim Wallis
Director
Kim has more than nine years' experience with Wallis Drilling. Prior to joining the Company, he worked with in the IT industry for a tier one stockbroking and law firm.

Fred Wallis
NON-EXECUTIVE Director
Fred has 35 years' experience within the Western Australian State Government. He has expertise in external audit, internal audit, risk management, internal control, and corporate governance.
Relevant Qualifications & Memberships
- Bachelor of Commerce Degree
- Post Graduate Diploma in Business Computing
- Certified Practising Accountant
- Graduate Australian Institute of Company Directors

Nigel Cottrill
Company Secretary
Nigel joined Wallis as an accountant in 2000. In 2008 he transitioned to CFO.
Relevant Qualifications & Memberships
- Bachelor of Business from Edith Cowan University
- The Tax Institute