Meet the Team

Dedicated to your requirements

A friendly

proactive team

The friendly close knit dedicated team, all share a similar positive attribute, are highly motivated and customer focused. With years of experience in the business, we are delighted to be the number one choice for people seeking quality service, experience and sustainable solutions.


Julian is the most recent addition to the Johnston Quarry Group bringing with him over 12 years of industry knowledge in processing, mineral extractions, ready mix concrete, block production, recycled aggregates and inert landfill. Combined with a proactive and passionate approach to the industry, Julian has become a fundamental figure at JQG. Julians roles include overseeing the Great Tew quarry, Flick, Wroxton, forthcoming Oxfordshire sites and dealing with Planning, Operations and Sales, Health and Safety and managing extraction activities on all sites. Julian also carries a Dipoloma in Quarry Technology and a BSC in Minerals Management. 

Rob Cartwright // Deputy Manager

Rob is responsible for ensuring that Great Tew operates efficiently, safely and successfully in Julian's absence. Having completed a Level 4 SHE in the Quarry Extractives Industry Rob’s competency enables him to oversee all operations, manage staff, coordinate and plan production accordingly and monitor all site systems.