Industrial Valve Manufacturers Since 1842

Flowstream International Board of Directors


Mr Nick Greenall
Mr John Keighley
Mr Martin Greenhalgh
Dr Mustapha Soufian


Nick Greenall

Managing Director

Nick Greenall

Nick has enjoyed a 29 year career in the industrial valve industry and is a commercially orientated and successful business leader. He has developed his career in the Domestic and Export Sales, Business Development, Product Management, Business Unit Management roles of industrial valve products used in a wide range of industry sectors.

His background is in engineering and he spent his career working for three large multinationals in the manufacturing valve sector. His career experience has been developed in:

1. Building and developing distributor and agency networks around the world.

2. He has managed the successful development and launch of new products for multiple industry applications, chemical and petrochemical as well as the oil and gas industries.

3. Senior International Sales Management and Business Development roles with sales and marketing managing staff on three continents.

4. Senior Management of design and technical departments, purchasing planning, machine shop, Operations and all commercial aspects of valve brands for a multinational valve company.

5. P&L responsibility for two businesses as part of global valve organisation.

6. He is a passionate believer of continuous improvement of people and processes within an organisation.

Nick will lead the board and drive commercial and marketing  as we continue the next stage of our development towards achieving our vision of being a respected supplier of control valves and hazardous chemical valves in the international markets we serve.



John Keighley

Director – Finance & Operations


John has developed his career via a number of senior financial positions and brings a wealth of experience from thirty five years in finance and operations. A qualified chartered Accountant, John has worked in five countries across Europe, Middle East and USA. His experience covers financial and operational planning, design and manufacturing management, corporate group level financial management including takeovers, merger and acquisitions.

1. Group level Chief Financial Officer for Europe & Asia

2. General Manager U.S.A. Software Manufacturer

3. Financial Director for Manufacturing Plants in Middle East.

4. Group Financial Director for USA Manufacturer.

5. Project Financing and Business Planning Independent Consultant

John has played a key role in the redevelopment of Flowstream International Ltd from 2009 into today’s organisation.


Martin Greenhalgh

Technical Director

Martin Greenhalgh

A Chartered and Fellow Member of the Institution of Mechanical Engineers with 30 years of successful experience in various roles in valve industry, including CEO in an industrial valve manufacturing company.

Wide and extensive knowledge of all processes involved in the design and manufacture of industrial valves. A proven record of product and market development to major international companies in Europe, North America and Asia.

Graduating from Cambridge University in 1973, Martin also has an M.Sc. in Valve Design and Technology, Cranfield Institute of Technology in 1981. Martin has had the following activities in valve industry:

1. Chairman of BVAA (British Valves & Actuators Association) Technical Working Group 1991-96

2. Co-Chairman of the Valve World Conference on the Pressure Equip. Directive in Maastricht, 2001.

3. Member of CEN TC69/WG1 Basic Standards 1993 to 2008.

4. Convenor of CEN TC69/WG2 Gate Valves 1992 to 2008.

5. IMechE Manufacturing Excellence Awards Assessor

Martin has recently edited the BVAA (the British Valve & Actuator Association) Valve and Actuator User’s Manual, which is the industry’s respected reference book. He has also been appointed as Technical Consultant by the BVAA.


Dr Mustapha Soufian

Director – Research & Development

Dr Mustapha Soufian

A Chartered European Engineer (Eur Ing FEANI registered) and a Chartered Director (Institute of Directors, IoD, London) with 30 years experience in Academia, Industry and Business. His academic and industrial experience is in the field on Instrumentation and Control Engineering and more recently in Valve industry.

1. Co-founder of the UK Profibus Competency Centre at the Manchester Metropolitan University with 26 industrial members of manufacturers of Valves, Sensors and Systems.

2. Author of 20 technical papers at international journals and conferences, 1986-2002, in the field of Advanced Control Systems.

3. Esso Centenary Outstanding Lecturer Award, Patrons: The Royal Academy of Engineering and The Royal Society, October 1989.

4. Senior Management and Business development experience across the globe with multi national companies in Europe, Middle & Far East, India and South Africa.

5. Applications in Severe Service Valves since 2009.

Mustapha has played a major part in the re-emergence of Flowstream as a valve manufacturing company and has overseen the development of the product range of high quality control valves and hazardous chemical valves. He is an enthusiastic driver of Flowstream’s future as a highly respected manufacturer of these products in to the markets in which they serve.


Meet The Team

Amir Atlasbaf
Project Manager
Pam Skerratt
Receptionist & Admin
Mohammed Halim
Workshop Supervisor.
team1 team3 Halim 3
Hooman Eskandari
Design Engineer
Ray Wall
Machine & Fitting Eng.
team6 team5
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