Sarona Team

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Gerhard Pries

Founder and CEO of Sarona: As a visionary impact investing leader for over 25 years, Gerhard has been a founder and/or director of MicroVest Capital Management, MEDA Investments Inc, Grand Challenges Canada, and ImpactAssets. Mr. Pries is a sought-after speaker to address the topic of private-public collaboration to build healthy new economies. Mr. Pries started his career at PricewaterhouseCoopers, with formative experiences in international development finance.

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Paulus J. Ingram

Partner, Deputy CEO: Paulus is responsible for firm-wide management and supervision of Sarona’s investments and investment professionals. He has over twenty years of investment and asset management experience focused on alternative investments, including multiple leadership and investment roles at €450 billion AUM Dutch pension asset manager APG Asset Management in both Amsterdam and New York, including global Head of Hedge Fund Investments, Senior Portfolio Manager of the Opportunity Fund, Sustainability and Governance Specialist and active participant in the firm’s private market investment committee, investing approximately $20 billion per year. Ingram also serves as a Strategic Advisor to Capricorn Investment Group, the investment manager and family office of Jeff Skoll and the Skoll Foundation. He has a Masters in International Finance from the University of Amsterdam, a Master of Laws from Vrije University and the University of Amsterdam, and a BA from Amherst College. Ingram completed Oxford University’s Said School of Business Private Equity Program. He holds a Chartered Alternative Investment Analyst (CAIA) designation and CFA Society of the UK Investment Management Certificate (IMC). He is a member of the British-American Project, an international fellowship.



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Serge LeVert-Chiasson

Partner, Managing Director Impact Investment Advisory & CCO:  Serge LeVert-Chiasson is accountable for the impact investment advisory and compliance activities of Sarona.  He has worked with Sarona Asset Management (formerly MEDA Investments) since 2008.  LeVert-Chiasson serves on several private equity funds’ advisory committees, corporate boards, and chairs the Canada Forum for Impact Investment and Development (CAFIID).  Prior to Sarona, LeVert-Chiasson was an underwriter and loan officer at Export Development Canada, a business analyst at Crédit Lyonnais, and founding chair of Agro Capital Management, a Ukrainian agricultural equipment leasing company.  He holds an MSc in Accounting and Finance from the London School of Economics, an International MBA from the Schulich School of Business, and is a CFA charter holder.


Deborah de Rooij

Managing Director Trade Finance: Deborah de Rooij is responsible for sourcing, diligence and monitoring of trade finance investments at Sarona Asset Management. She has over 30 years’ investment experience in fixed income, alternative credit and manager selection. Prior to joining Sarona in 2019, Deborah served as Head of Emerging Market Debt and Head of Global Manager Selection at €450 billion AUM Dutch pension asset manager APG Asset Management. De Rooij also worked as Senior Portfolio Manager Global Credits and Emerging Markets for Achmea Global Investors, a large Dutch asset manager for pension funds. She holds an RBA (certified European financial analyst) designation from the CFA Society VBA Netherlands and has a BA in Economics from the Economic School of Amsterdam.


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Menno Derks

Managing Director Fund Investments: Menno Derks is responsible for selecting, reviewing, and negotiating investments in private equity funds.  Derks leads Sarona’s activities in market mapping, portfolio construction, and investment monitoring. Prior to Sarona, he served as senior investment manager and investment committee member at PGGM, a large Dutch asset manager for pension funds.  Derks also worked at FMO, a Dutch development bank, and ABN AMRO Asset Management, where he designed and launched investment funds for institutional and private clients.  Menno holds an MA in Business Engineering from the University of Twente, and is a CFA charter holder.

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Patrick Hergt

Senior Investment Associate: Patrick Hergt is responsible for sourcing and analysing new investment opportunities, performing due diligence, as well as monitoring and reporting on fund investments for Sarona’s portfolio companies. He started his career in private equity as an analyst with Munich Private Equity Partners. Hergt holds an honours degree in business administration from Brock University and a BSc in general management from EBS University, Germany. Hergt has passed level II of the CFA exam.

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Emre Karabekirogullari

Senior Investment Associate:  Emre Karabekirogullari is responsible for sourcing and analysing investment opportunities, performing due diligence, as well as participating in the internal investment decision process. In the last ten years, he has had several roles in M&A, and the private equity industry, focused mainly on impact investing. He worked as an M&A advisor at Dexia in the Istanbul office, was a fund of funds investor at European Investment Bank, served on the board as a consultant to the investment committee of Microfinance Enhancement Facility (MEF) Fund through Innpact, a Luxembourg-based consulting firm, and more recently, Karabekirogullari led fundraising and deal sourcing efforts for Fidesa Ventures, which is a private impact investing fund. Karabekirogullari holds an MBA degree in corporate finance from La Salle University, Philadelphia.


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Mat LeRoux

Controller: Mat LeRoux is responsible for financial management, administration, and reporting of Sarona and its investment funds. He joined Sarona in 2013 as an accountant before transitioning to accounting manager in 2016. In 2017, he transitioned to his current role. Prior to Sarona, LeRoux spent six years in various Canadian companies and developed experience in audit, tax, financial reporting, and business management. He holds an honours diploma in accounting and is a candidate in the Chartered Professional Accountant (CPA) program.

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Kwaku Addo-Abedi

Manager, Fund Accounting: Kwaku Addo-Abedi is responsible for financial and data analysis for Sarona’s investment portfolios to support portfolio monitoring, fund financial reporting, investor reporting and compliance, fundraising, and due diligence. Prior to joining Sarona, Addo-Abedi worked at State Street as a NAV supervisor/business analyst. He is a Canadian Chartered Professional Accountant (CMA, CPA) and holds an MBA in finance from Wilfrid Laurier University.

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Victoria Harvie

Senior Corporate Accountant: Victoria Harvie joined Sarona in 2018 and is responsible for the corporate accounting. Harvie has nine years of progressive experience within corporate accounting at several companies. At her most recent position, she was responsible for managing the accounting cycle, including financial statement preparation, forecasting, and tax preparation. She holds a Bachelors degree of business administration and is a candidate in the Chartered Professional Accountant (CPA) program.

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Geoff Henry

Corporate Accountant: Geoffrey Henry joined Sarona in 2017 and is responsible for corporate accounting while also providing additional support on fund reporting. Henry has an education and working background in accounting from the U.K., where he was born. In his education, he received a Higher National Diploma in business & finance and a certificate from the Association of Accounting Technicians before setting out on a career as a bookkeeper/accountant, working primarily in manufacturing and technology industries. He is a candidate in the Chartered Professional Accountant (CPA) program.

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Daniel Den Ronden

Personal and Investor Relations Assistant: Daniel den Ronden manages the office operations in Amsterdam and supports the European co-managing partner in liaising and supporting European prospective and existing investors. He finished his education at the HES International School of Business and University VLEKHO in Brussels.


Brynn Mongeon

Investor Relations Associate:  Brynn Mongeon provides guidance and support to Sarona’s investors while working in conjunction with the Finance and Marketing teams. She previously worked in the not for profit sector as well as the research and education sector, with experience as an Intern for ACUNS and as a Writing Tutor for Wilfrid Laurier University. Mongeon earned an Honours BA in Global Studies and Spanish from Wilfrid Laurier, where she graduated with High Distinction.

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Adam Pries

Marketing & Communications Associate: Adam Pries manages the marketing & communications of Sarona from Canada, and supports the managing director of impact advisory, while also continuing to develop internal IT and compliance systems. Pries rejoined Sarona after spending a few years in other roles working with domestic SMEs in a variety of different fields.

Sarona Senior Advisors

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Mauricia A. Geissler

Mauricia A. Geissler is an independent member of Sarona Asset Management’s investment committee. Ms. Geissler retired in September 2019 from her role as Amherst’s first Chief Investment Officer after sixteen years with the College. Under her leadership, the investment office grew to eight professionals and the Amherst and Folger Shakespeare Library endowment assets grew from roughly $800 million to nearly $3 billion. Prior to joining Amherst College in 2003, she held senior investment positions sitting on all three sides of the fiduciary table – as a consultant with SEI Corporation, an investment manager with Putnam Investments and an asset owner with both Lucent Technologies. She has expertise on issues related to investment governance and fiduciary oversight, as well as across multiple asset classes. Ms. Geissler serves as a Trustee for the Community Foundation of Western Massachusetts; serves on the investment committees for both the community foundation and the Amherst Survival Center; is a member of the Advisory Board of Harpswell Capital Advisors, LLC; and has served as a member of several investor advisory committees across various asset classes. She received her bachelor’s degree in Finance from the University of Wisconsin Madison.

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J. Alex Hartzler

J. Alex Hartzler has always been a strong supporter of Sarona as it evolved from its historical role within MEDA to becoming an independently-owned, private firm.  He is managing partner of WCI Partners, and Chairman of the Board of Ten Thousand Villages.  Hartzler served as Executive Vice President and Partner of from 2000 until the company’s sale to ValueClick in 2005.  Initially, he worked as a corporate attorney for Buchanan Ingersoll.  Hartzler is a graduate of Penn State University (BA, Econ),  The George Washington University Law School (JD), and was a Fulbright Scholar in Cologne, Germany. Hartzler also sits on the Sarona Advisory Board.