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Executive Committee

The Committee monitors and manages performance, reviews progress against strategic objectives, considers business management issues and formulates budgets and proposals on strategy, policy and resource allocation for consideration by the Board. The Committee plays a key part in the risk assessment, risk management and monitoring processes and receives regular reports on health and safety, compliance and legal and corporate affairs.

Mark Selway

Chief Executive

Mark Selway joined the IMI Board in October 2013 as Chief Executive Designate and became Chief Executive on 1 January 2014. Mark was previously chief executive at Boral Limited, Australia’s leading building materials company between 2010 and 2012. Prior to that he served as Chief Executive of The Weir Group plc for eight years between 2001 and 2009. Before joining Weir he was a main Board Director at Britax International plc between 1996 and 2000. For two years between 2009 and 2011 he was a non-executive director of Lend Lease the Australian listed property and construction company.

Daniel Shook

Finance Director 

Daniel joined IMI and the Board as Finance Director designate on 1 January 2015 and became Finance Director on 1 March. Prior to IMI, Daniel was Chief Financial Officer and a member of the Executive Board at Borealis AG, the international chemical and plastics producer. Prior to joining Borealis in 2007, he spent 12 years at The BOC Group plc, the former FTSE 100 industrial gases company, where he served in a number of Senior Finance and Management roles including Finance Director of the Industrial & Special Products division and Group Treasurer.

Roy Twite

Divisional Managing Director, IMI Critical Engineering

Roy Twite was appointed to the Board in February 2007. During his career with IMI, Roy has held a number of senior roles in all of IMI's platform businesses and since 2011 has had responsibility for the IMI Critical Engineering platform. Roy joined IMI on the Graduate Engineering scheme in 1988 and from 2001 Roy’s career with IMI progressed as he held Senior Management roles including Managing Director of IMI Norgren UK (2001), President of IMI Hydronic Engineering (2004), President of Retail Dispense (2007) and President of IMI Precision Engineering (2009). Roy is a non-executive director at Halma plc and gained his Masters degree from Cambridge University in 1998.

Massimo Grassi

Divisional Managing Director, IMI Precision Engineering

Massimo joined IMI on 1 June 2015. For the last eight years Massimo Grassi was part of the senior management team at Stanley Black & Decker, the US listed global provider of a range of industrial products and solutions.   During this time he served as President of Stanley Black & Decker’s global Industrial and Automotive Repair business and, for the last four years, was President of its European Security business which employs 6,700 people across 14 countries and generated revenues of approximately $1 billion in 2014.


Peter Spencer

Divisional Managing Director, IMI Hydronic Engineering

Peter Spencer joined IMI in November 2010 and was promoted to President of IMI’s former Merchandising division in January 2012. In March 2013, Peter was appointed as President, IMI Hydronic Engineering. Before joining IMI, Peter held several senior positions at Scotsman Industries, Danaher Corporation and more recently as CEO of both Teleflex Automotive, and then LPC. Peter earned a Masters in Business Administration and holds qualifications; Diploma in Management Studies, IIM Cert and Diploma, HNC Mechanical & Production Engineering.

Paul Roberts

Group Business Development Director

Paul joined IMI in July 2013 from Bombardier Transportation where he successfully turned around the UK and South African businesses with £1.2 billion of revenues. Prior to this, Paul led businesses for Volex and John Crane, the mechanical seals division of Smith Industries. Paul has had sales and P&L accountability in the Middle East, Africa, Russia, North America, Asia and other relevant markets. Paul has a degree in Mechanical Engineering and an MBA.

Geoff Tranfield

Group Human Resources Director

Geoff Tranfield joined IMI in January 2014. Geoff was previously Group HR Director at Petrofac, an oilfield services company. Geoff has considerable international expertise from a variety of sectors including oil & gas, utilities and rail. Prior to Petrofac, Geoff spent six years with Hess Corporation in international VP HR roles.

John O’Shea

Group Legal Director & Company Secretary

John is a solicitor who qualified in industry and spent most of his earlier career with Racal Electronics plc. He joined IMI in 1988 and has been head of legal and Company Secretary of IMI plc since 1997.