Anthony Martin

Chief Financial Officer

B Com, CA

Mr Martin was appointed Chief Financial Officer on 15 August 2011. He was previously Development Manager of Riversdale Mining Limited based in Mozambique, Vice President of Royal Bank of Canada Capital Markets and worked for Ernst & Young’s transaction advisory services, assurance and business services divisions.


Alisdair Gibbons

General Manager - Grassy Mountain 

B Sc Mining Engineering

Mr Gibbons was appointed General Manager – Grassy Mountain on 1 June 2017. He has over 30 years of experience in mining and major projects, both green field and brownfields, and has worked in Africa, South America and Australia. His previous role was General Manager of BHP Billiton Mitsubishi Alliance Caval Ridge and prior to that General Manager at Anglo American CapCoal operations in Australia and Vice President of Operations at Cerrejon, Colombia.

Adrian Monk

Company Secretary/Group Financial Controller

B Com, CA

Mr Monk was appointed Group Financial Controller on 8 March 2012 and Company Secretary on 24 January 2013. He was previously the Financial Controller of Riversdale Mining Limited. Prior to this, he held senior roles at Kingsgate Consolidated, Qatar Chemical Company and Ernst & Young.

Peter Murray

Operations Manager - Riversdale North America

Mr Murray was appointed Operations Manager - Riversdale North America on 1 February 2013. He is the former owner of Essential Drilling and has extensive drilling and management experience with Australian, Canadian and African coal.

Cal Clark

Manager Sustainable Development

B.Sc Ecology, M.Ed

Mr Clark was appointed as Manager Sustainable Development on 20 July 2015. Mr Clark has over 20 years of experience as an environmental specialist (Ecology) and environmental manager, including project and resource management, stakeholder relations on environmental assessments and permitting projects.  

Val Breakenridge

Manager Human Resources


Ms Breakenridge was appointed Manager Human Resources on 01 July 2016. Ms Breakenridge has been a HR leader for over 25 years working in a number of industries including; natural resources, agriculture, manufacturing, and banking.  In her last position with Assiniboine Credit Union, Ms Breakenridge played a pivotal role in the company being named by MacLean’s Magazine as one of Canada’s Top 100 Employers.