Management Team

Walker Drilling's management team is made up of a diverse group of people with many years of industry experience.

Dave Walker


After completing his studies in Drilling at Sir Sandford Fleming College School of Environmental and Natural Resource Sciences, Dave was quick to get hired by Master Soil Investigations. After working for 11 years as a driller for Master Soils, Dave decided to start his own geotechnical and environmental drilling company. As President, Dave has built Walker Drilling from the ground up and he is incredibly proud of all the hard work and dedication of his staff. When Dave is not running the company he enjoys spending time with his family, snowmobiling, hunting, fishing, travelling and doing projects around the house.

Contact info:
phone: 705.725.4536

Paul Hargreaves

General Manager

Paul brings to the position of General Manager a great deal of industry experience and training. A graduate of Trent University and Fleming College, Paul has been working in this industry for the past 15 years. Originally from Barrie, Paul came to Walker with a focus on improving not only our day to day operations but also brings his expertise and experience to expand Walker Drilling Ltd. in the geotech and environmental field. When Paul is not setting up projects or meeting with clients he enjoys golfing and camping with his family.

Contact info:
phone: 705.790.1241

Brian Bigelow

Operations Manager

Originally from Sudbury, Ontario Brian started at Walker Drilling Ltd. 2 months after the company began in 2002. As the operations manager Brian is the main contact for drillers in the field. With his long history of field experience at Walker Drilling Ltd., as well as his previous experience with Technical, Mining, and Bristol Machines, Brian is the go-to man for troubleshooting technical issues in the field. In the office, Brian is equally as skilled having previously attended Cambrian college with a focus in CNC machining, millwright, and mining engineering technologies. When Brian is not in the field or at the office he spends time with the family, working on outdoor projects, and playing baseball.

Contact info:
phone: 705.627.1709

Vern Duff

Shop Manager

Vern has the integral job of keeping our fleet running. Being responsible for not only our drills but also our numerous pieces of equipment, Vern has invaluable industry knowledge. Vern previously was a fleet supervisor for Pepsi but made the move to Walker Drilling Ltd. to be closer to home and enjoyed the family atmosphere offered at Walker Drilling Ltd. A graduate of Centennial College and Concordia University Supervisor Training course Vern applies his managerial training to create a supportive and educational atmosphere in the shop. When Vern is not in the shop, he enjoys golfing and creating beautiful water gardens.

Contact info:
phone: 705.722.0166

Hunter Donaldson

Project and HSE Manager

Hunter is the newest edition to our team. Previously working in the blasting industry, Hunter brings with him a methodical and analytical approach to health, safety and the environment. As a graduate of Fleming College School of Environmental and Natural Resource Sciences Hunter will continue to implement and improve upon our policies and procedures to minimize our environmental impact and keep our jobsites safe.

Contact info:
phone: 289.404.303




Pauline Brister

Office Administrator

Originally from Dunnville, Ontario, Pauline and her family have made Barrie their home. As a graduate of Seneca College and with a previous career in private security, Pauline has utilized her transferrable skills to facilitate an efficient and supportive office environment. From the moment of the interview, Pauline felt Walker Drilling Ltd. would be a perfect fit. When Pauline is not processing invoices or offering support for the management team, she is often found in the garden or practicing leather crafting in her spare time.

Contact info:
phone: 705.424.3423


We are committed to being your preferred drilling contractor by consistently providing the best service.

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