Showing 20 of 26 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, Royal & Sun Alliance Insurance Limited and the Local Pensions Partnership Ltd, 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.

Recent Insights

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.

Vince O’Brien

Non-Executive Director

Vincent O’Brien is a Non-Executive Director of Impax Asset Management Group plc and is a member of the Audit and Risk Committee, which he also Chairs, and the Remuneration Committee .

He has worked in the private equity industry for over thirty years, twenty two of these as a director of Montagu Private Equity. Vince is a Chartered Accountant, he is currently chairing or advising a number of private equity companies including Quest Fund Placement and Nesta Impact Investments. He is a former chairman of the BVCA and served on its council for seven years.

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 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, Pax World Funds; and Board member, Seven Islands Lands Company.

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

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.

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 is currently a Non-Executive Director of Mercer Africa Limited and Alexander Forbes Group Holdings Ltd.

Hubert Aarts

Deputy CIO, Listed Equities, Executive Director

Hubert serves as Deputy CIO, Listed Equities. He and Bruce Jenkyn-Jones, CIO Listed Equities, are responsible for the development of the investment process, research and team. Hubert researches stocks globally and specialises in Industrials and Consumer Discretionary.

Hubert is Co-Portfolio Manager of Impax’s Leaders and Water strategies. He also leads Impax’s macro-economic research process and is responsible for the top-down investment framework.

Hubert started his career in the investment industry in 1990 and joined Impax in January 2007.  He has extensive experience investing in Pan-European equities as a portfolio manager at MeesPierson and Merrill Lynch Investment Managers, where he chaired the European Sector Strategy Group. Hubert joined Impax from Cambrian Capital Partners LLP where he was a partner and portfolio manager of the Curalium Fund and Incremental Leveraged hedge funds.

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

Recent Insights

Mary Alexander

Chief People Officer, Executive Director

Mary is the Chief People Officer and has considerable expertise in building dynamic, agile cultures and developing talent in fast-paced growth environments.

Before joining Impax in September 2020, Mary worked in several senior roles across digital businesses and mature industries. Her early career spanned FMCG/manufacturing multi nationals including BAT and Anglo American where she held central, regional and HR specialist roles. She subsequently spent seven years with payments leader PayPal, latterly as VP Human Resources for EMEA, Asia Pacific and Americas, enabling the revenue-generating teams globally and based in the EU bank regulated headquarters. Mary was EVP for HR for Colt Technology, a Fidelity owned company, thereafter moving into the private equity arena with Montagu PE to lead people and organisation priorities for the carve-out of Janes Defence from IHS Markit.

A Social Science graduate of University College Dublin, Mary has on-the-ground business experience in 50+ countries and has lived and worked in Turkey, Brazil, Switzerland, Luxembourg and the UK.

Lisa Beauvilain

Head of Sustainability & ESG, Executive Director

Lisa is responsible for the development and oversight of Impax’s Sustainability and Environmental, Social and Governance (ESG) analysis, including overseeing stewardship work in the Listed Equity team. She is the Chair of Impax’s ESG, Sustainability Lens and Environmental Committees and also Co-Heads Impax’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. Lisa has also worked as an independent consultant, focusing on environmental policy research and analysis.

She is active within working groups and advisory councils relating to impact investing, water, governance and ESG standard setting with 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.

Recent Insights

Catherine Bremner

Chief Strategy & Operations Officer, Executive Director

Catherine is Impax’s Chief Strategy & Operations Officer. She is responsible for overseeing the Firm’s risk and compliance functions, IT and operations, as well as strategic projects working with the CEO. Catherine is a highly respected leader within green finance, with over 20 years of experience in sustainable development, finance, strategy and change management.

Catherine joined Impax in August 2021. Prior to this she served as Director, International Energy and Climate Finance, in the UK Government’s Department for Business, Energy & Industrial Strategy. Catherine previously worked as Global Head of Environmental Sustainability at ANZ bank and Chief Operating Officer at Low Carbon Australia. She spent her early career with McKinsey.

Catherine has an MSc in Environmental Science and Management from Oxford University, a Masters in Public Policy from the London School of Economics, and a BEng in Chemical Engineering from The University of Queensland.

Meg Brown

Chief Product & Marketing Officer, Executive Director

Meg leads the Global Product and Marketing Group at Impax, overseeing branding and marketing; communications; client experience and working with investment teams heads on product design and governance.

She has extensive experience in sustainability and investment research, having begun her career in 2002. As head of Citi’s top ranked Climate and Sustainable Investment Research team she worked with institutional and private clients across Europe on impact and responsible investment. Meg joined Impax in 2014 following a period as a consultant to private sector and not for profit clients in designing responsible investment strategies, including acting as the UK Liaison for the Global Impact Investing Network. Meg has a MSc in Environment and Development from the London School of Economics and is a non-executive director of the Carbon Tracker Initiative.

Authored Insights

5yrs of Impact @ Impax

This is the fifth year that Impax has published a report quantifying and disclosing the environmental benefit derived from our portfolio companies’ activities.

12 Jul 2019

Ed Farrington

Head of Distribution, North America

Ed is Head of Distribution, North America at Impax Asset Management LLC, the North American division of Impax Asset Management Group and investment adviser to Pax World Funds. Based in the Portsmouth, New Hampshire office, Ed is responsible for leading the firm’s institutional and intermediary sales and client service efforts in North America.

Before joining Impax in 2021, Ed served in key roles at Natixis Investment Managers, most recently as Executive Vice President (EVP) of Institutional and Retirement and previously as EVP of the firm’s global wholesale unit and its Senior Vice President of National Sales. Before Natixis, Ed served as National Fundraising Manager for Fidelity Charitable Services and as Vice President of Advisory Sales for Pioneer Investments.

Ed serves on the Travis Roy Foundation board of trustees as well as the World Surf League advisory board and the sustainability advisory board at the University of New Hampshire.

Ed earned a Bachelor of Arts in political science from the University of New Hampshire. He holds the FINRA Series 6, 7, 24 and 31 registrations.

Bruce Jenkyn-Jones

Chief Investment Officer (CIO), Listed Equities, Executive Director

Bruce serves as Impax’s Chief Investment Officer, Listed Equities. He is responsible for supervising and overseeing investment process, policy and performance, regulatory oversight, and leads product design within Listed Equities and development as well as the application of Impax’s investment thesis across the Listed Equities product range.

Bruce is Chairman of the Listed Equities Investment Committee, and serves as Co-Portfolio Manager of Impax’s Specialists and Climate strategies.

Bruce joined Impax in 1999 where he worked initially on venture capital investments before developing the listed equities business.  Before joining Impax, Bruce worked as a utilities analyst at Bankers Trust and as an environmental consultant for Environmental Resources Management (ERM).

Bruce has an MBA from IESE (Barcelona), an MSc in Environmental Technology from Imperial College and a degree in Chemistry from Oxford.

Recent Insights

Additional Insights

Darren Johnson

Chief Operating Officer, Executive Director

Darren Johnson is Impax’s Chief Operating Officer and a member of the Executive Committee. He is responsible for the global operating of the business and sits on the boards of Impax Funds (Ireland) PLC and Impax Asset Management Irish subsidiary. Since joining Impax in 2007, Darren has driven operational transformation, built teams, and pioneered the company’s transition into cloud services to support rapid growth.

Darren is a prominent advocate of Diversity and Inclusion across financial markets, acting as an ambassador for Investment 20/20 and a board member for the Diversity Project in London.

Prior to Impax, Darren was Head of Operations at Talisman Global Asset Management, a family office investing in Fund of Hedge Funds and Private Equity. Darren was responsible for designing and implementing accounting, operational, and performance procedures, including systems within the firm. He has also worked for RAB Capital, AXA IM, Mercers, and Legal & General in various senior investment, operational, and accounting positions.

Joseph Keefe


Joe is President of Impax Asset Management LLC, the North American division of Impax Asset Management Group and investment adviser to Pax World Funds. Based in the Portsmouth office, he is responsible for US managed strategies as well as 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.

Recent Insights

David Richardson

Executive Director, Client Service & Business Development

David joined Impax in August 2012 from Global Energy Investors where he was a Managing Partner.

He previously co-founded and served for 22 years as Managing Director of Business Development at Dwight Asset Management Company (now part of Goldman Sachs Asset Management). Prior to Dwight, David headed Project Development at Mark Technologies Corporation and successfully led the financing and development of a number of large scale wind energy projects in the US. David received his BS in Mechanical Engineering from the University of California, is licensed as a Civil Engineer, and is a CFA® charterholder. David is a member of the Global Leadership Council and the Sustainable Investment Advisory Council of the World Resources Institute. He is also a member of the President’s Council for CERES. 

Authored Insights

Climate change: future takers and future makers

Amid all the excitement leading up to Pope Francis’s recent encyclical, those following the debate around climate change might be excused for overlooking a report from the world of Mammon.

9 Jul 2015

Charlie Ridge

Chief Financial Officer

Charlie Ridge is Impax’s Chief Financial Officer. Charlie is responsible for overseeing Impax’s finance, investor relations and legal functions, as well as governance processes. As a member of Impax’s Executive Committee, he contributes to the Firm’s commercial and strategic business matters.

Charlie began his career in 1987 and has considerable technical and management experience with blue chip investment banks.

Before joining Impax he was a Managing Director within the Finance Division of Deutsche Bank, most recently serving as UK Asset and Wealth Management CFO, and previously holding various financial and market risk related roles for the Global Markets Division. Before working at Deutsche, Charlie worked at SG Warburg and Ernst & Young as an Auditor.

Charlie received a BSc in Engineering Science from Durham University in 1987 and is a Chartered Accountant.

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. He is also a member of the Executive Committee of Impax Asset Management Group and sits on the boards of Impax Asset Management Limited and Impax Asset Management (AIFM) Limited.

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 activities where he focused on regulated utilities, gas storage and broader power generation.

Prior to this, Daniel was Director of Corporate Finance for 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.

Zack Wilson

Group General Counsel, Executive Director

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.

John L. Liechty

Chairman of the Board, Pax World Funds

John has been an Independent Trustee since 2009 and is a member of the governance and compliance committee.

John is founder and principal of Integrated Financial Planning Solutions, a fee-only financial planning firm in Goshen, Indiana. Previously he served as senior vice president of financial services and president of Praxis Mutual Funds, and he held senior roles at the life insurance company Everence.

John serves on the boards of MEA and the Community Foundation of Elkhart County. Previously, he served on the boards of US SIF, Meritas Mutual Funds and several regional nonprofits. 

John earned a Bachelor of Arts in business administration and religion from Bluffton University. He is a Chartered Financial Consultant, a Chartered Life Underwriter and holds the FINRA Series 65.