Group Management

Relevant Skills, Experience and Contribution
Ben has over 20 years of experience in the infrastructure sector across principal investing, fund management, and corporate finance. Ben has extensive financial, strategic and operational experience at senior management and board levels. He has experience in leading international investment and fund management businesses, including across PPP, Renewable Energy projects, Core and Core-plus economic infrastructure businesses. Ben has invested and managed infrastructure portfolios across a range of sectors, including transport, energy, utilities, telecommunications, leasing, healthcare and social infrastructure.
Current External Appointments
- Non-executive director of Ambac Assurance UK Limited
Previous External Appointments
- Global head of infrastructure and managing partner at InfraRed Capital Partners, managing an infrastructure business with over US$9 billion of assets under management, and responsibility for managing teams in Europe, North America, Latin America and Australia
- Managing partner of 3i Group plc’s Infrastructure business. Responsible for leading origination and strategic development. Member of board of 3i Infrastructure plc
- Member of 3i Group plc’s Executive Committee and its Investment Committees for Infrastructure, Private Equity and Debt Management
- Group strategy director for 3i Group plc
- Corporate finance at Goldman Sachs, Greenhill and Morgan Stanley

Jamie is the Chief Financial Officer of John Laing. He was most recently CFO of U&I Group plc, a leading land regeneration business acquired by the FTSE 100 company Landsec. Jamie was previously in global roles as CFO of Round Hill Capital, a private equity real estate firm, and as Head of Group Operations at private equity firm Coller Capital. Earlier in his career, Jamie held CFO, Finance Director, and Financial Controller roles at CBRE and DTZ, having begun his career at KPMG. Jamie is a Chartered Accountant and Fellow of the ICAEW.

James Abbott is the General Counsel of John Laing. He is a member of John Laing Group’s management team, with responsibility for Legal, Company Secretariat and Risk. James was previously General Counsel of Park Square Capital LLP and before that of AnaCap Financial Partners. Prior to this, James was Senior Counsel at Deutsche Bank, having begun his career at Linklaters in London and Hong Kong.

Warren is Chief Strategy & Operating Officer. He joined the company from 3i Group plc where he served as Strategy Director since 2012. Prior to that, Warren spent five years with Rothschild as Assistant Director. The early years of his career were spent with Deloitte.
Warren holds degrees in Statistics, Economics and Business Administration from the University of California, Berkeley.

Ariam is Group Human Resources Director of John Laing Group. She joined the company from Winton Capital in November 2020. Prior to that she has served as Vice President of Global Leadership and Diversity at Goldman Sachs, Senior HR Business Partner at Google and has a decade of experience in consulting at Accenture.
Ariam holds a degree in Political Science and International Development from Queen’s University, Canada.