Showing 15 of 27 results for

Keith Falconer


Keith was appointed Chairman of Impax Asset Management Group plc in January 2004.

After qualifying as a Chartered Accountant in 1979, he joined Martin Currie, the independent Edinburgh-based investment firm. The first part of his career was spent managing portfolios on behalf of institutional clients. Subsequently, he became the Managing Director of Sales and Marketing. He retired from Martin Currie at the end of 2003 and is now also Chairman of a number of other companies.

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 Energy 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. 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.

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 blog posts

A just transition

I’m delighted to announce that Impax has signed the Statement of Investor Commitment to Support a Just Transition on Climate Change, now backed by over 130 institutions with $8trn in assets under management.

29 Apr 2019

Arnaud de Servigny

Non-Executive Director

Arnaud joined the board as a Non-Executive Director in June 2018 and is a member of the Remuneration Committee and the Audit & Risk Committee.

He currently holds non-executive directorships at BNP Paribas Asset Management France, Bramham Gardens Investments Limited, Bramham Gardens SARL and Fondation Pour l’Ecole. 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.

Sally Bridgeland

Non-Executive Director

Sally joined the board as a Non-Executive Director in July 2015 and is a member of the Remuneration Committee and the Audit and Risk Committee.

She is currently a non-executive director of Royal London, Lloyds Banking Group Pensions Trustees Limited and the Local Pensions Partnership Ltd and a trustee of the Nuclear Liabilities Fund, 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 Hewitt), 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. 

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 Remuneration Committee and the Audit and Risk 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 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, Member of the Advisory Board for the Yale Center for Business and the Environment, Member of the Investment Committee for the National Geographic Society, Chair of the Board, Novatus Energy LLC, Trustee of Pax World Funds Series Trust 1 and Board member of Seven Islands Land 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.

Charlie Ridge

Chief Financial Officer

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.

Joseph Keefe


Joe Keefe is President and CEO of Pax World Funds (“Pax”) and President of its investment adviser, Impax Asset Management LLC, formerly Pax World Management LLC, as well as CEO of its subsidiary, Pax Ellevate Management LLC.

Under Joe’s leadership, Pax has become a leading innovator in the rapidly growing field of sustainable investing. He is a passionate advocate for investing in women and the critical role that gender diversity plays in business success. Joe led Pax to acquire the first ever mutual fund to invest in women’s equality. Today, the successor to that fund — the Pax Ellevate Global Women’s Leadership Fund is the oldest and largest in the gender-lens space.

InvestmentNews included Joe in its 2019 list of “10 leaders of ESG and Impact Investing,” calling him a “longtime giant” in gender-lens investing. Barron’s named Joe one of the “20 Most Influential People in Sustainable Investing” in 2018 for his work to advance gender equality.

Joe co-founded the Thirty Percent Coalition, whose work has led to women joining more than 100 previously non-diverse boards. He is former co-chair of the leadership group for the Women’s Empowerment Principles, a joint program of the United Nations Global Compact and UN Women. Ethisphere magazine named Joe one of the “100 Most Influential People in Business Ethics” five times, Women’s eNews recognized him as one of “21 Leaders for the 21st Century” in 2012 — he was the sole male honoree, and Financial Times named Joe one of its 10 “top feminist men” of 2015 for his work to help women succeed in business and beyond. In 2016, Joe was named the University of New Hampshire’s “Social Innovator of the Year,” and he received the Global Leadership Award from the World Affairs Council of New Hampshire the same year.

Joe serves on the board of New Hampshire Public Radio. Prior to joining Pax, he was President of NewCircle Communications, a strategic consulting and communications firm specializing in corporate social responsibility and public policy-oriented communications. He served as Senior Adviser 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 of US SIF (2000-2006), the trade association representing asset managers and investors engaged in sustainable investing throughout the United States.

He is a former Democratic nominee for United States Congress in New Hampshire’s First Congressional District and a former chair of the New Hampshire Democratic Party and member of the Democratic National Committee. He received a Bachelor of Arts in philosophy from the College of the Holy Cross and a Juris Doctor from the University of Virginia School of Law. Prior to entering the investment management industry, he was in private law practice for 16 years.

Fiona Anderson

Global Head of HR

Fiona Anderson is Global Head of HR.

She began her career in 1992 and has considerable experience working in human resources, in areas such as talent development, recruitment, employee relations, business partnerships, compensation and benefits, and diversity and inclusion.

Before joining Impax in April 2019, Fiona was a Managing Director at Oaktree Capital where she led the International HR team and served as a member of the UK Executive Management Team. Before Oaktree she served as the HR Director and member of the Board of Cofunds (the UKs largest fund platform) between 2006 and 2010. Previous roles also include HR managerial roles at International Exchange, Commerzbank and BNY Mellon.

Fiona holds an MBA from Bangor University Wales and an MSc in Applied Positive Psychology from the University of East London.

Bruce Jenkyn-Jones

Co-Head of Listed Equities, Executive Director

Bruce is an Executive Director and Co-Head of Listed Equities along with Hubert Aarts.

Together they are responsible for the development of the investment process, research and team. Bruce has an active role in the day to day management of all Impax listed equity portfolios and is on the portfolio construction team for all strategies. Bruce joined Impax in 1999 where he worked initially on venture capital investments before developing the listed equity 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 blog posts

Hubert Aarts

Co-Head of Listed Equities, Executive Director

Hubert is an Executive Director and Co-Head of Listed Equities, together with Bruce Jenkyn-Jones. He is also responsible as co-portfolio manager for Impax’s Leaders and Water strategies, as well as leading Impax’s macro-economic research process.

Hubert joined Impax in 2007 from Cambrian Capital Partners LLP, where he was a partner and portfolio manager of the Curalium fund and Incremental Leveraged hedge funds.

Having started his career in the investment industry in 1990, Hubert has extensive experience investing in Pan-European equities as a portfolio manager at MeesPierson and Merrill Lynch Investment Managers/BlackRock, where he chaired the European Sector Strategy Group.

He holds a Master’s degree in Economics and Business Administration from Maastricht University.

Recent blog posts

Daniel von Preyss

Head of Private Equity Infrastructure, Executive Director

Daniel joined Impax in 2009 and is heading the Impax Private Equity Infrastructure business. Daniel is a member of the investment committee.

He is both involved in investments and is Head of Asset Management. 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.

David Richardson

Executive Director, Client Service & Business Development

David is an Executive Director, leading Client Service and Consultant Relations across Impax, as well as managing the Sales team in North America. 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.

Meg Brown

Executive Director, Marketing & Business Development

Meg heads up marketing across Impax and leads the London-based sales team covering UK, continental Europe and Asia. Meg also co-heads our impact investing work.

She has extensive experience in sustainable investing and 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 on the board of the Carbon Tracker Initiative.

Recent blog posts

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

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 $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.