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Find Your Local Technical Sales Representative

ALS employs a team of more than 80 staff. Our professionally qualified Amenity Agronomists and Technical Advisers hold BASIS and NTPC qualifications to complement their extensive practical and field experience. We offer a range of specialist advisory services from pitch construction to ecology, summer and winter sports turf care, all aspects of sports turf nutrition, specialist weed control and irrigation.


Chris Knowles - Technical Sales Manager

Staffordshire, Shropshire & East Midlands

Chris has 26 years’ experience in Greenkeeping, 20 of which as Course Manager in both the UK and Germany. He attended Myerscough College in his early greenkeeping career and continued his professional career development by completing an online foundation degree in Sports Turf, in 2014.

Email: chris.knowles@amenity.co.uk
Tel: 07817 354610

Clive Parnell - Technical Sales Manager

North London & Northern Home Counties

BASIS No. E/420/A

Clive has over 20 years industry experience specialising in sports turf and has worked extensively with a variety of sports clubs, golf courses and educational establishments. He is a Member of the BASIS Professional Register (Amenity Horticulture).

Email: clive.parnell@amenity.co.uk
Tel: 07976 705941

David Bevan - Technical Sales Manager

South West England

David has over 30 years greenkeeping experience, 12 of which as a Course Manager. David studied at Moulton and Warwickshire College during his early greenkeeping years, completing a HNC in Golf Course and Sports Turf Management. Since then David has continued to develop his skills and knowledge, having worked on various championship courses both in the UK and mainland Europe.

Email: david.bevan@amenity.co.uk
Tel: 07904 177387

David Whitaker MG - Technical Sales Manager

South East & Home Counties

BASIS No. E/171/A | FACTS No. F/0223

David’s extensive industry experience includes 13 years as Course Manager at Wisley Golf Course and a further 10 years in Consultancy working throughout the UK, Europe, Russia and Asia. He is both BASIS and FACTS Qualified and a BIGGA Master Greenkeeper.


Gary Potter - Technical Sales Manager

Northern England

Gary has 37 years industry experience, being City & Guilds trained and qualified as a D32/D33 assessor. His background includes STRI science and Practice of Turf Culture.

Email: gary.potter@amenity.co.uk
Tel: 07739 851875

John Riggall - Sales Director

National Account Manager – Local Authorities

BASIS No. AR/04022

John has 32 years experience in horticulture and amenity sales including NCH and RHS. He is a Member of the BASIS Professional Register (Amenity Horticulture) specialising in Local Authorities, large scale contractors and Facilities Management accounts.

Email: john.riggall@amenity.co.uk
Tel: 07779 660789

Mark Allen - Technical Sales Manager

West Midlands & Oxfordshire

Mark has 10 years hands-on experience as a greenkeeper and lawn care contractor, followed by 12 years of blue chip sales experience. His particular areas of expertise cover sports turf, football, golf, bowling clubs and educational establishments.

Email: mark.allen@amenity.co.uk
Tel: 07813 295147

Martyn Parrish - Technical Sales Manager

Northern Home Counties

Martyn has over 20 years’ experience working in the turf care industry, having worked on a number of top UK golf courses and on a private estate. Martyn began his career by completing an internship through the Ohio State University based at the award-winning Jack Nicklaus Signature Golf Course, Cimarron Hills Country Club. Martyn has continued his professional development by completing a Foundation Degree in Sports Turf Science at Myerscough College.


Ray Hunt - Technical Sales Manager

South Wales & South West

Ray has 38 years of golf course management experience including links, new construction and six European Tour events. In addition to golf he has extensive experience with a range of sports turf, education and local authority customers.

Email: ray.hunt@amenity.co.uk
Tel: 07815 578920

Stuart Yarwood - Technical Sales Manager

Cheshire & North Wales

Stuart has over 25 years greenkeeping experience, including 2 years working in Golf Course construction and 17 years as a Course Manager. Stuart specialised in traditional and sustainable turf management, and in 2010 achieved his Master Greenkeeper Certificate.