Our Steering Group

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INNSA is governed by a industry lead steering group made up of senior representatives from within our membership all of whom are leading experts from the sector.

The role of steering group is to define the strategy and ongoing objectives of INNSA and to constantly ensure we meet the needs of our members.

Mike Clough

Steering Group Member, CEO

Japanese Knotweed Solutions Ltd

After graduating in Landscape Architecture in 1982, Mike spent 2 years working in Local Authority as landscape architect for Oldham Metropolitan Borough Council. He was then approached by the Design Co-ordinator of the Stoke National Garden Festival and charged with the design and implementation of play areas and Access for the Disabled across the site. He was responsible for the design of the award-winning Sunday Times Garden for the Disabled. Building on this experience, Mike traded as Michael Clough Associates for 2 years as a sole practitioner prior to setting up Landmark in 1982. Since then, he has been responsible for developing the company’s reputation for creating high quality environments and established an in-house construction company and maintenance to expand the company’s portfolio of design and build projects. Mike has substantial skills in project management and has directed numerous projects at all stages of the development and aftercare process. In addition, he has excellent communication and liaison skills ranging from Public Inquiries, press liaison and public consultation exercises, whilst also being at the forefront of computer development and application within the business. He has considerable experience of working with multi-disciplinary teams and is firmly committed to team discussion and co-operation backed up with co-ordination of design ideas and team organisation.

Landscape Design and Masterplanning: Mike has an extensive spread of projects across the landscape spectrum operating for government departments, secondary and higher education, local government and private sector funders and developers. Mike has particularly acute expertise and experience in the conception to delivery of large-scale masterplanning for business and technology parks, corporate landscape design and residential areas with the emphasis on creating high quality sustainable environments.

Urban Design and Infrastructure: Mike has worked for both the public and private sectors on urban design and infrastructure schemes. He has a comprehensive knowledge of all matters relating to streetscape design and hard landscape detailing. His close attention to detail and pursuit of excellence in terms of quality of design, application of appropriate principles and attention to detail always demands the highest quality and workmanship on site.

Landscape and Environmental Assessment: Mike has directed studies in both these areas, particularly in the field of project based landscape and visual impact assessment, in assessing the potential impact of proposed developments. These have included Centrum 100 Business Park in Burton-upon-Trent, Honda UK in Swindon and the Centenary Business Park in Rochdale. He has extensive experience in preparing and presenting material at Public Consultation and has successfully appeared at Public Inquiry as an expert on landscape matters on behalf of both public and private sector clients.

Nick Hartley

Steering Group Member

Managing Director, Ebsford Environmental

As one of the founder directors, Nick has executive responsibility for the commercial and operational management of Ebsford Environmental as well as the company’s strategic business development. Nick is also involved in the day to day delivery of the aquatic consulting and contracting sectors of the business.

Richard Podmore

Steering Group Member

Japanese Knotweed Control Ltd

Richard Podmore is joint managing director of Japanese Knotweed Control Ltd (JKC), a pioneering company at the forefront of the invasive weed treatment industry for the past ten years and responsible for introducing the innovative stem injection treatment method into the UK and Europe.

With full CSCS competency and NPTC qualified to use licensed equipment, Richard is an active leader of on-site treatment programmes, whilst his previous experience in sales and marketing has helped establish JKC as a leading player in this multi-million pound sector.

Richard continues to actively campaign for improved standards, accreditations, legislative compliance and training across the industry.


Conor Leyden

Steering Group Member

Invasive Plant Company

Conor is a degree qualified professional who has been working in the construction and environmental sector since 1995. Conor has an Honours degree in the built environment and also holds a HND in Mamalian Physiology.

Conor has been managing the Invasive Plant Company since 2007 and has been influential in developing a number of remediation techniques that has helped propel the Invasive Plant Company to one of the largest specialist contractor in the country.

Prior to joining the Invasive Plant Company Conor has drawn his experience from 8 years of service at an international consultancy where he held the position of Senior Project Manager gaining invaluable experience in the commercial aspects of projects, programming, health and safety, cost control and design management. Following this, Conor moved to Sydney Australia where he joined a global environmental and management consultancy and quickly progressed to the management board where he managed a team of Project Managers to deliver a number of large environmental and construction projects.

Conor’s experience covers all aspects of advising, consulting, designing remediation strategies, implementation, completion and after care in relation to the treatment of Japanese Knotweed and other Invasive Species. Conor and his team at the Invasive Plant Company have the necessary expertise and experience for any type of Japanese Knotweed or other invasive non native treatment however complex.

Our Team

INNSA has a small admin team who look after our membership and facilitate events, training and sector briefings. To get in touch contact info@innsa.org

Case Studies

River Douglas, Wigan

River Douglas, Wigan Treatment of large amounts of Japanese...
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Narvick Way, North Tyneside

Narvick Way, North Tyneside Excavation from construction area, with...
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Lanark Way, Belfast

Lanark Way, Belfast Site survey and treatment plan for...
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