Senior Management

Simon Coates

IT Director

Simon joined AMS in 2002 as Group Information Systems Manager and, during the Company’s growth since then, he has overseen many key IT projects including implementing ERP systems across the Group, integrating acquisitions and relocating the business into its existing Winsford site.

Simon has over 25 years’ experience in IT infrastructure, systems implementation and software development gained from a number of different industries. Prior to joining AMS he was Worldwide IT manager at Whitford Plastics Ltd, a manufacturer of fluropolymer coatings, supporting them through a period of rapid growth, managing multiple sites and key IT projects including ERP implementation and adoption of the Euro for the European offices.

Simon was appointed to the Senior Management Team in January 2015.

Rose Guang

Group Quality Assurance/Regulatory Affairs (QA/RA) Director

Rose joined AMS in May 2013 as Group QA/RA Director having completed her Masters Degree in Precision Engineering from Nanyang Technology University in Singapore. Rose has over 20 years’ experience working for medical device companies and has a strong background in setting up effective quality systems. Rose has worked for Bausch & Lomb International Healthcare, Nypro and spent nine years at Medical House Products plc as Director of Quality, Regulatory Affairs and Operations. Prior to joining AMS, Rose was Head of Quality and Regulatory Affairs at Bespak, part of Consort Medical plc.

Rose is also a 6 Sigma Master Black Belt.


Alan Richardson

Chief Operations Officer

Alan joined AMS in November 2018 as Chief Operations Officer. Alan graduated with a B Eng honours degree in Chemical Engineering from Bradford University. Alan joined Yorkshire Chemicals as a Chemical Engineer and has since had 25 years of experience in the Medical Device, Pharmaceutical, Contract Research and Chemical Industries having worked for both Bristol-Myers Squibb and Convatec. Prior to joining AMS, Alan spent the last 11 years at Convatec and held a number of roles including Director, New Product Integration; Vice President Quality and Operations and Vice President Advanced Wound Care Operations.

Cathy Tomlinson

Group HR Director

Cathy joined AMS in May 2017 as Group HR Director. Cathy graduated with a degree in Business Studies from Liverpool John Moores University and completed a Master in Business Administration at Strathclyde University. She spent five years working for Amazon and was head of HR for their final mile delivery business (which was a start-up business for Amazon).

Prior to  this Cathy held senior HR roles for Xerox – supporting the outsourcing of managed services from government and blue chip organisations to Xerox and Emirates Airline, based in Dubai, where she supported the growth of the airline in new geographies and acquisitions.

Pieter van Hoof

Group Operations Director

Pieter joined AMS B.V. in November 2009. Having completed a Masters degree in Engineering in Chemistry and Biochemistry at the Katholieke Universiteit Leuven (Belgium). Pieter joined Janssen Pharmaceutica working as a production supervisor in the manufacturing unit for sterile injectable products before joining the DuPont Engineering Polymers business in September 1999. At DuPont Engineering Polymers Pieter worked in a number of business process improvement roles in Supply Chain, certifying as a 6 Sigma Master Black Belt, before moving into Sales and Marketing, gathering experience in account management and business development. Before joining Advanced Medical Solutions B.V. Pieter held the position of European Customer Services Manager for DuPont Engineering Polymers.

Pieter was appointed Director of our Bulk Materials Business Unit in November 2012 and became the Operations Manager for our Winsford and Etten-Leur sites in February 2015. He was promoted to Group Operations Director in December 2016.

Becky Walmsley

Business Unit Director, OEM and Bulk Materials

Becky joined AMS in July 2015 as Business Unit Director of OEM and Bulk Materials. Becky graduated with a degree in Modern Languages (French and German) with International Studies from South Bank University in 1993 and completed an Executive Masters of Business Administration at Lancaster University in 2000.

Becky has more than 13 years’ experience in the Medical Device sector, having held various senior management roles, most recently as European Sales Director for Scapa Healthcare.

Jeffrey Willis

Business Unit Director, Business Direct and Branded Distributed

Jeff joined AMS in October 2005 as Vice President Business Development, Americas. Jeff graduated with a degree in Biomedical Engineering from the University of Florida in 1996 and completed a Masters programme in Management of Technology at Georgia Institute of Technology in 2001. He spent ten years with Kimberly-Clark Health Care in various R&D, Product Development, and New Business Development roles. In 2004, Jeff joined Abbott Laboratories in Columbus, Ohio as Manager of Licensing and Business Development supporting the medical nutritional and consumer products division.

In October 2009, Jeff assumed the role of Vice President of Group Marketing for AMS, relocating to the UK. In December 2011, Jeff also took responsibility for the Integration of RESORBA®.

Jeff was appointed Director of our Branded Distributed Business Unit in November 2012, and following a recent re-organisation is now Director of the Branded Business Unit. He resides in the US.