Showing 19 of 19 results for

Sally Bridgeland


Sally joined the board as a Non-Executive Director in July 2015 and was appointed Chair in December 2020. Sally is a member of the Remuneration Committee.

She is currently a non-executive director of Royal London, Pension Insurance Corporation plc and Royal & Sun Alliance Insurance Limited, having worked in the UK pensions industry for 30 years.

Originally qualifying as a Fellow of the Institute of Actuaries with consultants Bacon & Woodrow (now Aon), she was CEO of the BP Pension Fund from 2007-2014. Sally held a number of voluntary roles with the actuarial profession and was the first lady Master of the Worshipful Company of Actuaries 2016-17.

Ian Simm

Founder & CEO

Ian Simm is the Founder and Chief Executive of Impax Asset Management Group plc, one of the world’s leading investment managers dedicated to investing in the transition to a more sustainable economy. Prior to Impax, Ian was an engagement manager at McKinsey & Company advising clients on environmental strategy.

Outside Impax, Ian is a member of the UK government’s Net Zero Innovation Board, which provides strategic oversight of public sector funding of energy innovation programmes, and is a board member of the Institutional Investors Group on Climate Change, the European membership body for investor collaboration on addressing climate change. He is also a commissioner with the Energy Transitions Commission, a global coalition of leaders developing transition roadmaps to achieve net-zero emissions. Between 2013 and 2018, he was a board member of the Natural Environment Research Council (NERC), the UK’s leading funding agency for environmental science. He supports charities in the clean energy, healthcare and a range of scientific and environmental sectors. 

Ian has a first-class honours degree in physics from Cambridge University and a Master’s in Public Administration from Harvard University. In the last century he initiated and led an expedition to complete the first summer crossing of the Sahara Desert by tandem bicycle.

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Arnaud de Servigny

Non-Executive Director

Arnaud joined the board as a Non-Executive Director in June 2018.

He currently holds a non-executive directorship at BNP Paribas Asset Management France and is President of Queens Field SAS. He was previously a Managing Director at Deutsche Bank Asset Management and has also worked at Barclays Wealth, Standard & Poors and BIM private equity fund. Arnaud has been a visiting Adjunct/ Professor of Finance at Imperial College Business School since 2005 and is the author of several books on finance, economics and investment management.

Lindsey Brace Martinez

Non-Executive Director

Lindsey joined the Board as a Non-Executive Director in July 2015 and is a member of the Remuneration Committee, which she also Chairs, and the Audit and Risk Committee. Lindsey is the Board sponsor for Equity, Diversity & Inclusion.

Lindsey served as a member of the Executive team and was a Managing Director at Cambridge Associates. She held multiple roles during her 15-year tenure at the firm including Global Head of several areas covering Client Service and Relations, Business Development and Client Relationship Management, and Consulting.

She is the Founder and CEO, StarPoint Advisors, LLC; Co-Chair of the Advisory Board for the Center for Business and Environment at Yale (CBEY);  Chair, People and Culture Committee, Onward Energy; Trustee, Impax Funds; and Board member, Seven Islands Lands Company.

Lindsey holds an MBA (finance and strategy) and a Master of Environmental Studies from Yale University and a Bachelor of Arts from Dartmouth College.

She has 30 years’ experience in investment advisory, natural resources portfolio management, institutional marketing and sales, and management consultancy.

Simon O’Regan

Non-Executive Director

Simon joined the board as a Non-Executive Director in December 2020 and is a member of the company’s Audit & Risk and Remuneration Committees and the Senior Independent Director.

Simon has forty years’ experience in the insurance, pensions and asset management industries. He is a UK qualified actuary by training and has lived and worked in six countries around the world including as CEO of Mercer in Australia, in the UK, in Europe and in the USA/ Canada. He was a member of the UK’s Nuclear Liabilities Financing Assurance Board until it submitted its final advice on Hinkley Point in 2015 and served as a Non-Executive Member of the Foreign, Commonwealth and Development Office’s Audit & Risk Assurance Committee. He was formerly a Non-Executive Director of Alexander Forbes Group Holdings Ltd and Mercer Africa Limited.

Annette Wilson

Non-Executive Director

Annette joined our board in June 2022 and is a member of both the Audit & Risk and Remuneration Committees.

With more than 20 years’ experience in the private equity and venture capital sectors, Annette brings with her a wealth of experience from her previous roles as Partner and COO of Finch Capital, and as founding CFO of Palamon Capital Partners, a European growth investor. Annette also worked in the insurance industry for FTSE 100-listed company, Sedgwick, an insurance broker, and as Chief Financial Officer for LSE-listed Windsor. She started her career at PricewaterhouseCoopers.

Annette is a graduate of the University of Johannesburg. She is a Fellow of the Institute of Chartered Accountants in England and Wales and a member of the South African Institute of Chartered Accountants. She serves as a non-executive director and adviser to several international companies, and is also founder and Chair of the Board of Trustees of ADHD Embrace, a UK-registered charity.

Hubert Aarts

Deputy Chief Investment Officer, Listed Equities

Hubert serves as Deputy CIO, Listed Equities. Hubert is a key figure overseeing Impax Asset Management’s investment strategies in the listed equities space and is jointly responsible for the development of our investment process, research, and team. He also researches stocks globally, specialising in industrials and consumer discretionary companies.

Prior to joining Impax in 2007, Hubert was a partner at Cambrian Capital. He also spent nearly a decade at BlackRock working as a portfolio manager in European equities. His first role was at MeesPierson in The Netherlands.

Hubert has a master’s degree in Economics and Business Administration from Maastricht University.

Lisa Beauvilain

Global Head of Sustainability & Stewardship

Lisa heads the global sustainability and stewardship team at Impax. She is responsible for the oversight and development of sustainability research and methodologies, including the Impax Sustainability Lens and the firm’s proprietary ESG analysis, as well as overseeing Impax’s stewardship work. She is the Chair of Impax’s ESG and Sustainability Lens committees and Co-Heads the firm’s impact investment work.

Lisa joined Impax in 2010. She started working in the financial industry in 1999 and previously worked as an executive director in the Investment Management Division of Goldman Sachs in London.

She is actively participating in industry working groups and advisory councils furthering sustainable practices within corporate governance, climate, diversity and ESG standard setting in several external industry organisations.

Lisa has an MSc in Environment and Development from the London School of Economics as well as an MSc in Finance from the Hanken School of Economics, Finland.

Catherine Bremner

Chief Strategy & Operations Officer

Catherine is Impax’s Chief Strategy & Operations Officer. She is responsible for line managing Impax Asset Management’s risk and compliance functions, IT, and operations, as well as strategic projects working with the CEO. With over 25 years of experience in sustainable development, finance, strategy and change management, she is also a highly respected leader in green finance.

Before joining Impax in 2021, Catherine spent five years at the UK Government’s Department for Business, Energy & Industrial Strategy, including acting as Director General, responsible for around 500 staff tasked with developing the UK’s Net Zero Strategy and International Climate and Energy policy. She also chaired the UK Government’s Climate and Energy G7 Presidency in 2022. Before this, she was Global Head of Environmental Sustainability at Australian financial services firm ANZ. She was also Chief Operating Officer at Low Carbon Australia and Head of International Development at the Carbon Trust.

Outside of Impax, Catherine is on the Board of the Met Office and is the Chair of its Remuneration Committee.

Catherine holds a Master’s degree in Public Policy from the London School of Economics, a master’s degree in Environmental Science and Management from Oxford University and a bachelor’ degree (Hons 1st) in Chemical Engineering from The University of Queensland.

Karen Cockburn

Chief Financial Officer

Karen Cockburn is Impax’s Chief Financial Officer. She is responsible for overseeing Impax’s Finance, Investor Relations, People and Legal functions, as well as Governance processes. As a member of Impax’s Executive Committee, she contributes to the Firm’s commercial and strategic business matters. Karen is also an Executive Director on the Board of Impax Asset Management Group plc.

Karen is a qualified Chartered Accountant with over 25 years’ financial and operational experience in financial services. Before joining Impax in 2022 Karen was transformation CFO at Virgin Money plc, focused on the integration of Virgin Money and Clydesdale Banking Group. Prior to that she spent nine years at Aegon in various strategy, transformation and finance leadership roles, laterally as Chief Financial Officer of Cofunds. Having qualified with KPMG, she spent her early career with GE Capital, a global financial service provider, and Lloyds Banking Group. Karen is also a founder and board member of a digital start up, Legado Technologies Ltd.

Karen is a fellow of the Irish Institute of Chartered Accountants and holds a BSc and MSc in Finance /Accounting from Queen’s University, Belfast.

Ed Farrington

Head of Distribution for North America

Ed is Head of Distribution for North America. Ed leads Impax Asset Management’s institutional and intermediary sales and client service efforts, engaging with consultants, advisers, institutions, and plan sponsors on issues ranging from investing in the transition to a more sustainable economy to global retirement systems.

He joined Impax in 2021 from Natixis Investment Managers where he held a similar role for 12 years. Prior to that he worked in sales and sales management for Fidelity Investments, Fidelity Charitable Services and Pioneer Investments.

With a bachelor’s degree in Political Science from the University of New Hampshire, Ed also holds the FINRA Series 6, 7, 24, and 31 registrations, and is a registered representative of Foreside Financial Services, LLC. He serves on the Travis Roy Foundation board of trustees, the World Surf League advisory board, The Levitate Foundation and the sustainability advisory board at the University of New Hampshire.

Charles French

Deputy Chief Investment Officer, Listed Investments

Charles provides support and leadership in the development and growth of the Impax Asset Management’s listed investments business, covering research, idea generation, portfolio management, ESG integration, and trading.

Prior to joining Impax Asset Management in 2022, Charles worked at Newton Investment Management where he started out as a global financial analyst before becoming a portfolio manager and heading up Newton’s multi-asset and equity opportunities teams. He was also deputy chief investment officer, providing leadership and oversight to a global investment team.

Charles graduated with a bachelor’s degree in Economics from the University of Nottingham. He is also a member of the Institute of Chartered Accountants (ICAEW) in England and Wales.

Bruce Jenkyn-Jones

Chief Investment Officer (CIO), Listed Investments

Bruce serves as Impax’s Chief Investment Officer, Listed Investments. Bruce is one of Impax Asset Management’s longest-serving employees. He developed the firm’s listed equities business and the division’s investment thesis. He is responsible for overseeing and enhancing all aspects of the listed investments business, including monitoring performance, ensuring regulatory compliance, and spearheading product design. Bruce is a co-Portfolio Manager of the Specialists and Climate strategy.

Before joining Impax in 1999, Bruce worked as a utilities analyst at Bankers Trust and as an environmental consultant for Environmental Resources Management.

An Oxford graduate with a bachelor’s degree in Chemistry, Bruce also holds a master’s in Environmental Engineering Technology, and an MBA from IESE Business School in Barcelona.

Darren Johnson

Global Chief Operating Officer

Darren Johnson is Impax’s Chief Operating Officer. He sits on our executive committee and is responsible for operations throughout the organisation. He has held this role since joining in 2007 and in that time has driven operational transformation, built teams and pioneered the company’s transition into cloud services to support rapid growth.

Prior to Impax, Darren held a similar role for family office Talisman Global Asset Management and his previous experience has included roles at RAB Capital, AXA Investment Managers, and Legal & General.

Darren sits on the board of several charities and organisations, including St Mungo’s, the UK’s largest homeless charity, and the investment advisory board of Comic Relief. He is a prominent advocate of diversity issues across financial services, is co-founder of TalkAboutBlack, sits on the CIC board of the Diversity Project, which aims to accelerate progress towards an inclusive culture in the investment and savings industry, and is on the Standing Committee for Investment 20/20, an organisation providing school leavers and graduates from non-traditional backgrounds with opportunities in asset management.

Joseph Keefe


Joe is President of Impax Asset Management. Based in the Portsmouth office, he is responsible for distribution of Impax’s full capabilities across North America.

Prior to joining the firm in May 2005, Joe was President of NewCircle Communications, a strategic consulting and communications firm specializing in corporate social responsibility and public policy communications. He served as Senior Advisor for Strategic Social Policy at Calvert Group from 2003-2005 and as Executive Vice President and General Counsel of Citizens Advisers from 1997-2000. He is a former member of the Board of Directors (2000-2006) of US SIF, the trade association representing asset managers and investors engaged in sustainable investing throughout the United States. Before entering the investment management industry, Joe worked in private law practice for 16 years.

Joe holds a Juris Doctor from the University of Virginia School of Law and a Bachelor of Arts in philosophy from the College of the Holy Cross.

Daniel von Preyss

Head of PE/Infrastructure, Executive Director

Daniel joined Impax in 2009 and heads Impax’s Private Equity/Infrastructure business. Daniel is a member of the investment committees for each of the New Energy Funds.

Daniel has significant business and senior transactional experience with blue chip companies within the energy and utility sectors. Prior to joining Impax he was responsible for Babcock & Brown’s Northern European infrastructure investment activities. Prior to this, Daniel was Director in the European Energy and Utilities team at Deutsche Bank with a strong focus on M&A activity in Europe and a member of Citigroup’s Utilities team.

Daniel holds an MBA from Cologne University (Germany) and studied International Business for one year under a scholarship at Sophia University in Japan.

Paul Voûte

Head of Distribution, Europe & Asia-Pacific

Paul is Head of Distribution for Europe & Asia-Pacific. He oversees Impax Asset Management’s distribution efforts in several key markets, taking a leading role in managing business development, consultant relations and RFPs. He has worked in this function since joining the firm in 2022.

Before joining Impax, Paul held a similar role at Federated Hermes and, before its takeover, Hermes Investment Management. With a career starting in 1997, Paul has worked in distribution and business development throughout his career in asset management with spells at GE Asset Management and Neuberger Berman.

Paul holds a bachelor’s degree in Business Studies from ESC Bordeaux and ISER Rotterdam. He is fluent in English, French and Dutch.

Zack Wilson

Group General Counsel

Zack serves as Group General Counsel for Impax Asset Management Group plc and is also Company Secretary. Prior to joining Impax in 2011, Zack was Director & General Counsel for the investment management and corporate finance advisory group Development Capital Management.

Previously he was Corporate Counsel for Telewest Global Inc (renamed Virgin Media Inc), where he played a leading role in managing the successful execution of high profile transactions including the Group’s US$10bn financial restructuring. Zack qualified as a solicitor at the global law firm Norton Rose, specialising in Corporate Finance.

He holds a Master of Arts in Jurisprudence from Oxford University.

Leah Wood, CFA®

Global Head of Marketing and Client Experience

Leah is responsible for the client experience globally, managing the global marketing team and regional client service teams to deepen and strengthen client relationships.

Joining Impax in 2016, Leah started her career in 2008 and has experience in both equities research and institutional asset management. Before joining Impax, she was part of the multi-asset team at Russell Investments where she worked after starting her career in equity research at Renaissance Capital.

Leah has a bachelor’s degree in Mathematics and Finance from Sacred Heart University and a master’s degree in Sustainability Management from Columbia University. She is also a CFA® charterholder.