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Management

Appointment

May 2019

Skills and experience

Alex Vaughan was appointed CEO in May 2019. Prior to this he was managing director of the Natural Resources division with responsibility for Costain’s services to water, oil and gas and power clients as well as the development of client facing technology solutions across the Group. He held this position since 2013. Alex is qualified as a chartered quantity surveyor. He has worked on infrastructure projects in the UK and internationally, as well as having held a number of corporate roles including Group HR director and corporate development director. In 2009 he completed the Harvard Business School Advanced Management Program (AMP).

External appointments

Chair of the CBI regional council

Chief Financial Officer

Anthony Bickerstaff
FCCA

Appointment

June 2006

Skills and experience

Tony Bickerstaff was appointed chief financial officer in June 2006. Tony has extensive knowledge of the infrastructure and support services sectors both in the UK and overseas. He is responsible for all aspects of the financial management of the Group as well as playing a major role in the Group’s strategic and operational development. Previously, Tony was with the Taylor Woodrow Group, which he joined in 1982. He held a number of senior management and financial positions in Taylor Woodrow including finance director of Taylor Woodrow Construction Limited. Prior to becoming finance director, he was divisional operations director in charge of Taylor Woodrow Group’s PFI projects.

External appointments

Non-executive director of Wincanton plc and (until 2 October 2020) non-executive director and chair of the audit committee of Low Carbon Contracts Company Limited and Electricity Settlements Company Limited.

Managing Director, Natural Resources

Dr Maxine Mayhew
FioD, PhD

Appointment

November 2018

Skills and experience

Maxine Mayhew was appointed managing director of the Natural Resources division in May 2019. She joined the business in 2017 and previously held the positions of water sector director and Group capability director, responsible for Costain’s capability including technology, consultancy, complex delivery and asset optimisation. After completing a PhD in wastewater treatment, Maxine has held a variety of roles in her 20 years in the water industry focused on leadership, innovation, commercial development and strategy delivery across all aspects of the industry from operations and engineering through to central support services (marketing, supply chain, SHEQ) and retail operations.

External appointments

Maxine is a non-executive director for Karbon Homes, an independent council member for Cranfield University and a senior independent director of Low Carbon Contracts Company and Electricity Settlements Company.

Managing Director, Transportation

Sue Kershaw
BSc (Hons) Civil Engineering

Appointment

March 2020

Skills and experience

Sue has a strong track record for driving complex, high profile transport and construction programmes to delivery. Before joining Costain she was managing director, Infrastructure Advisory Group at KPMG. Prior to that she was UK infrastructure head of programme management for KPMG Major Projects Advisory. Previous positions include director of rail, Europe at CH2M and deputy director of transport for the Olympic Delivery Authority. Sue is a civil engineer and started her career with Taylor Woodrow.

External appointments

She is president of the Association for Project Management, a member of the Mayor of London’s Infrastructure Advisory Panel and a Royal Academy of Engineering visiting professor at the Bartlett School of Construction and Project Management, University College London.

Group Financial Controller

Martin Hunter
BA, ACA

Appointment

April 1999

Skills and experience

Martin Hunter holds the position of Group financial controller and has held a number of head office finance positions since 1984. Previously, Martin worked for Stoy Hayward, a London based firm of chartered accountants. He is a member of the Institute of Chartered Accountants in England and Wales.

Group Commercial Director

David Taylor
FRICS, FIoD

Appointment

January 2015

Skills and experience

David Taylor joined the Company in 2009 and was appointed Group commercial director in January 2015. He has held a number of senior leadership roles within the business and is currently responsible for the commercial, supply chain and design management functions. Prior to joining Costain, David acquired more than 25 years’ experience with Taylor Woodrow where he held the position of commercial director for its UK operations.

Group HR Director

Catherine Warbrick

Appointment

September 2019

Skills and experience

Catherine joined Costain in 2006 and has performed a number of roles, most recently as director of learning and development and corporate responsibility and prior to that as investor relations director. Highlights of her career with Costain include developing and implementing the Group’s first Corporate Responsibility (CR) strategy, achieving Platinum status in Business in the Community’s CR Index in 2013 and driving change to achieve the Group’s recognition in the Times Top 50 Employers for Women 2018 and 2019, and being cited as a game changer in 2019 for our work on gender parity in early careers recruitment. Catherine graduated with an honours degree in Environmental Science.

Chief Digital Officer

Nathan Marsh
BSc Econ Hons

Appointment

October 2019

Skills and experience

Nathan Marsh was appointed chief digital officer in October 2019. He has over 20 years’ experience working in digital transformation with a particular focus on planning and enabling digital capabilities across the UK’s critical national infrastructure. Nathan is experienced in leading client and consulting teams to design and deliver programmes with new commercial structures, leveraging technology and new operating models across sectors including government, digital infrastructure, future mobility, defence, capital markets and strategic risk. He is the co-author of the Robotics and Artificial Intelligence Sector Deal and The Rail Sector Deal ‘Rail Data Leader’. His career history includes working with at SNC Lavalin, McKinsey & Co, EY and AON and seven years as an army officer.

External appointments

Nathan is a member of the Zenzic Advisory Board, the CBI AI and Digital Ethics Advisory Board, Bristol Robotics Laboratory Advisory Board and the St Gobain Global Advisory Board.