Leadership Team

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About Us

Jeffrey Sleep

General Manager

Jeff joined Action Drill & Blast in 2011 and has more than 30 years of industry experience, including his previous roles with Action Drill & Blast as Asset Manager and Area Manager. His technical knowledge and project management experience are highly valued.


Paul Guthrie

Senior Operations Manager - West

Paul joined Action Drill & Blast as part of the Leadership team when the business was established in 2010. With over 30 years drill and blast management experience, within Australia and South America, Paul has held management positions with Tier 1 mining companies and large drill and blast contractors. Paul holds Diplomas in Management and Surface Operations along with a Restricted Quarry Manager’s Certificate.

Scott McConnell

Senior Operations Manager - East

Scott joined Action Drill & Blast in 2016.  He has over 25 years of industry-related experience in drill and blast, exploration drilling and maintenance activities within Australia, Asia Pacific, Africa and Middle East.

Aron Kurthi

HSEQ Manager

Aron joined Action Drill & Blast in April 2020.  He has over 10 years’ experience in HSE roles within the mining and civil construction industries.

Aron holds a Diploma in Occupational Health & Safety and formal qualifications in event investigation, HSEQ Management System auditing and injury management

Damien Gorman

Operations Manager - West

Damien joined Action Drill & Blast when the business was established in 2010. He has over 20 years of experience in the management of large-scale civil and mining drill and blast operations.
Damien holds a Western Australian Quarry Manager’s Certificate.

Michael Wiseman

Operations Manager - East

Michael joined Action Drill & Blast in 2012 and has more than 15 years of mining industry experience, including roles with mine owner, head contractor and drill and blast contractor. His balance of technical, commercial and operational knowledge is highly valued.

Michael holds a Bachelor of Engineering (Mining) from the University of Queensland, and is a Past-President of the International Society of Explosives Engineers, Australian Chapter.

Kirsty Rayson

Human Resources Manager

Kirsty joined Action Drill & Blast in July 2011 where she has held several HR roles, including Human Resources Officer. Prior to joining Action Drill & Blast, Kirsty worked as a Recruitment Administrator for NRW Civil & Mining. Kirsty graduated Edith Cowan University with a Bachelor Degree in Business majoring in Human Resources and Management.

Anthony Ruffin

Technical Services Manager

Anthony joined Action Drill & Blast as part of the Leadership team when the business was established in 2010. With over 20 years of industry experience, including project management of drill and blast operations, Anthony has extensive blasting expertise from large production blasts to the tightly controlled civil and heritage blasting requirements. Anthony holds a Restricted Quarry Manager’s Certificate.

Stephen Timbrell

Estimating & Contracts Manager

Stephen joined Action Drill & Blast in 2010 with more than ten years of experience in drilling and blasting operations across quarrying, mining and civil construction sectors throughout Australia. Prior to his current appointment, Stephen held a number of roles related to Project Management, Technical Services and Estimating. Stephen holds a Diploma in Engineering & Mine Surveying.

Peter Reid

Finance Manager

Peter joined Action Drill & Blast in September 2018, he has held senior finance roles in construction, facility services and resource industries throughout the UK and Australia. Peter holds a Bachelor of Accountancy and Management Control, is a qualified accountant and holds a Masters in Finance.

Jeff Anthes

Asset Manager

Jeff Anthes joined ADB in 2018 with more than 25 years’ experience in equipment maintenance and asset management in the mining environment. As Asset Manager, Jeff is always looking to deliver safety, efficiency and cost reductions whilst ensuring the fleet delivers high availability and performance.

Renata Golawski

Training Manager

Renata joined Action Drill & Blast in April 2022 as part of the Leadership team. While working in WA’s oil, gas and resources sector, she developed a strong skill set in the area of learning and development, vocational education and training and competency frameworks and systems. Renata holds a Master of Professional Education and Training (Deakin University) and postgraduate qualifications in Human Resources (Murdoch University).



110mm - 203mm




Production and
pre-split drilling