our team

Our consultant team brings together many successful years of wide-ranging experience – see for yourself.


David Barker

Following graduation in Law and Industrial Relations and an early career in sales, David has worked on over 50 major organisational change programmes.

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David Barker

Start up, product and sales development, business strategy exit planning and structuring

Following graduation in Law and Industrial Relations and an early career in sales, David has worked on over 50 major organisational change programmes.

From 1989 - 1992 he was Business Development Director within the Unipart Group, working primarily on employee and customer based organisational change for Unipart International Ltd, Edmunds Walker Ltd and Trailer Truck Components Ltd

From 1992 - 1994 he acted as an independent consultant working for Salveson Logistics, RAC, Royal Mail, Unipart, Jaguar Parts Marketing and many others.

Since 1994 he founded and built Qube Holdings ltd into an international consulting practice covering 14 European countries. Specialising in organisational change, education and expert project management Qube grew to over 80 staff and won contracts with over 200 clients, including Local Government, Direct Line, Nationwide, Allied Irish Bank and many others.

Although still a shareholder in Qube, David now acts as a consultant and is Managing Director of Strontium ltd the AIM listed professional services group.

The main focus of David's work is now in consumer led change and organisational growth through:

  • Well researched, enhanced sales and marketing strategies
  • Entrepreneurial advice and cultural change
  • Organisational alignment and focus
  • Investor support, advice and communication

Throughout his career, David has been involved in over 50 major client projects, negotiated venture capital injection/banking arrangements, overseen 7 acquisitions and directed the creation of a ltd and its subsequent listing on AIM.

As an independent consultant supported by a team of well qualified and experienced professionals David can offer an organisation a refreshingly honest prospective from someone who has 'done' the work rather than merely consulted on it.

Alistair King

Alistair is a Chartered Accountant and Member of the Chartered Institute of Taxation.

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Alistair King

Funding and financial Management

Alistair is a Chartered Accountant and Member of the Chartered Institute of Taxation.

After qualifying as a Chartered Accountant in 1984 he spent five years with KPMG, and three as a partner in a firm of accountants before setting up his own successful and well respected consultancy business in 1995.

Alistair has a vast range of experience both in terms of the client business sector, type of work and type of client. His work is carried out both on a project basis or on a long term part time basis having worked with some of his current clients for over fifteen years.

Currently Alistair is a Director of an AIM listed Company, is working closely with two businesses as they negotiate their way forward to their next stage of growth and is steering a business though the difficulties arising from the current economic difficulties.

Specific sector experience includes Media, Business Services, Fast Moving Consumer Goods, Retail, Horticulture and Construction although over the years there have been few business sectors that he had not had some exposure to.

Alistair enjoys challenging work that requires "thinking outside of the box" where his input can make a real difference. As such he enjoys working with smaller growing businesses that have serious growth aspirations and has a real understanding of the challenges they face. With an approach that quickly identifies the real issues he works with the team to create quick and effective solutions.

Libby Ryan

With over 15 years developing and managing Research projects Libby is a key member of the Strontium team.

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Libby Ryan

Research & Project management

With over 15 years developing and managing Research projects Libby is a key member of the Strontium team.

After an early career in Digital, Libby has specialised in creating and managing Business Intelligence projects for over 40 client companies including Direct Line, PPP healthcare and the NHS.

These projects have spanned a variety of target audiences including:

  • European employee research
  • Distribution channel analysis
  • Global Customer research
  • Field work on Brand awareness
  • General Market Research

These projects have covered over 30 languages across different cultures and industry sectors.

Within Strontium, Libby ensures the decisions that are taken for the development of the group and the interests of our clients have the maximum chance of success by providing the management team with actionable factual information.

Alan Wills

Alan has over 35 years experience as a business manager and organizational change consultant.

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Alan Wills

Sales Growth Implementation

Alan has over 35 years experience as a business manager and organizational change consultant.

His primary interest and expertise lie in driving organizational change and improvement through education and people development.

Gaining wide experience through working in different markets and sectors, Alan now has an enviable grasp of how to engage, motivate and deliver innovative educational programmes which deliver real results.

Most recently as a member of the Strontium team, Alan's focus has been directed to the development of E Learning and its application into the NHS.

Alan has been the driver behind the building and launch of an extremely successful Blended Learning system within the NHS which has resulted in rapid and dynamic growth.

He is an entrepreneur who over the course of his career has been involved a number of successful product launches in the UK, Europe, USA and the Far East. His all inclusive style, attention to detail and belief in a long term client relationship, is infectious.

He has also completed a number of Keynote speaking engagements at major client events.

Gareth Brown

In 1991, following a successful career in BT, Gareth co-founded a Management Consultancy business (ITMS Limited).

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Gareth Brown

Sales growth strategy and implementation

In 1991, following a successful career in BT, Gareth co-founded a Management Consultancy business (ITMS Limited). With direct responsibility for all business development activities, including revenue growth, the company flourished and in 1999 was acquired by Qube Holdings ltd.

From 1999 to 2004 he remained with Qube, firstly to oversee the integration of his original business, and then, in his role as Business Development Director, to drive the broader business revenues.

During his time with the company, Gareth designed and implemented a robust business development process, covering all aspects of sales activity, including the introduction of a formal client relationship/management process. This was instrumental in enabling Qube to quickly grow into an international consulting practice, employing over 80 staff and covering eighteen European countries.

The main focus of his work now is in sales leadership and business development, where he has been engaged by a number of organisations to improve their overall sales capability.

Supported by a team of highly focused and energetic professionals, he helps his clients to implement their sales plans, by focusing on all "prospect to payment" activities including:

  • Sales planning and pipeline generation
  • Talent management i.e. recruitment development & coaching of sales staff
  • Product launches and integration
  • Business proposals and conversion
  • Client Management culture and systems

Mike Metcalfe

After gaining an MSc in Mathematics, Michael embarked on a career spanning 40 years in manufacturing and commerce.

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Mike Metcalfe

Business Strategy

After gaining an MSc in Mathematics, Michael embarked on a career spanning 40 years in manufacturing and commerce. His experience includes management, international trading, manufacturing, marketing, operational research and international dispute resolution.

He has operated effectively and successfully as a consultant, manager, managing director and chairman in a variety of environments. He was Managing Director of a business with operations in North & South America, Europe, Africa and Asia.

Michael has been a member of the main boards of the Man Group ltd, the London International Financial Futures Exchange, several Trade Associations and the Regulatory Decisions Committee of the Financial Services Authority.

His experience and knowledge enables him to advise boards and CEOs on:

  • Organisational Strategy
  • Governance
  • Risk Assessment & Management
  • Negotiation

The key qualities that Michael brings to any situations are:

  • an enquiring attitude
  • an analytical approach
  • discipline and persistence
  • a long term perspective
  • integrity
  • broad commercial experience