Management Team

Neil Penhall

CEO Close

Neil has been with the business since 1995 and is the Chief Executive of SLR Management Limited and a director of a number of its subsidiaries with overall responsibility for the strategic direction and management of the group. Prior to becoming Chief Executive in 2013, Neil was responsible for all international operations outside of the Americas (Europe, Africa and Asia-Pacific). In addition to leading and directing the strategic growth, operations and diversification of the business, Neil had previously been Managing Director of the UK business from 2001 to 2009. Neil qualified as a mining engineer and has more than 30 years of experience in international environmental

Dianne Buchanan

CFO Close

Dianne joined the board of SLR Management Limited in August 2016 as Chief Financial Officer to provide leadership across SLR on all financial and commercial matters. Dianne was previously with Mindshare, the media investment arm of WPP Plc, where she was CFO for the Europe, Middle East & Africa region. Before Mindshare, Dianne worked for the market research company Synovate, J Sainsbury's and Coca Cola; having previously obtained her chartered accountancy qualification with PwC. Dianne has an M.A. (Hons) in Economics and Accounting from the University of Edinburgh.

Kevin Rattue

Executive Director Close

Kevin is responsible for operations in the Americas and serves as Chairman of SLR International Corporation in the US and President of SLR
Consulting (Canada) Limited, as well as being an Executive Director of SLR Management Limited. Prior to joining SLR in 2000, Kevin was the Chief Operating Officer of SECOR International, a $100 million turnover international environmental consultancy with its head office in Seattle. Previously Kevin worked as an exploration geologist and is both a registered geologist and licensed hydrogeologist.

Peter MacKellar

Executive Director Close

Peter joined the Board of SLR Management Limited in January 2015 as Executive Director with responsibility for all international operations outside of the Americas (Europe, Asia-Pacific and Africa). Peter joined SLR from Sinclair Knight Merz (“SKM”), part of Jacobs Engineering Group Inc., where he was Chief Operating Officer, Europe, Middle East & Africa (“EMEA”). Peter gained a Civil and Structural Engineering honours degree at Sheffield University, holds a diploma with distinction in engineering management from Bristol University and is a graduate of Insead Business School in France.

Robert Leeming

Non-executive director Close

Robert is a partner at Charterhouse and was appointed to the SLR board in June 2018. He joined Charterhouse in 2007. He was formerly a partner at EPIC Private Equity, prior to which he worked on due diligence and strategy assignments at PricewaterhouseCoopers. Robert has a degree in Natural Sciences from Cambridge University and an MBA from INSEAD.

Sheena Pattni

Non-executive director Close

Sheena is an Investment Manager at Charterhouse and was appointed to the SLR board in June 2018. She joined Charterhouse in 2014 having previously spent four years at Perella Weinberg Partners in London, where she worked on M&A transactions across a number of sectors and geographies. Sheena holds a BSc in Economics from the University of Warwick.

Chris Warren

Non-executive director Close

Chris is a partner at Charterhouse and was appointed to the SLR board in June 2018. He joined Charterhouse in 2013 having previously spent ten years with ECI Partners where he completed a number of transactions across a wide range of sectors.

Prior to ECI, Chris worked at BC Partners and before that as a consultant with COBA in their Strategy and Private Equity group. Chris has a degree in PPE from Oxford University and an MBA from INSEAD.