Joseph is a Managing Director in the Primary Fund Investments team focusing on US transactions. He is also a member of the Investment Committee. Joseph joined AlpInvest Partners in 2008 from Cambridge Associates, where he was a Senior Associate in the US private equity research team covering US buyout, distressed and private credit GPs. Joseph received a BS in Business Administration from Northeastern University and is a CFA ® Charterholder. He serves on a number of advisory boards of fund partnerships, including those managed by TA Associates, GTCR, Parthenon Capital, Sentinel Capital Partners and Pamlico Capital.
Our people
Our people
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Joseph O’Connor
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Chris Perriello
Chris Perriello is a Partner, Managing Director and Global Head of Secondaries. He is also a member of the Investment Committee. Chris represents AlpInvest Partners on the Advisory Boards of Ridgemont Equity Partners, One Equity Partners, Roark Capital and Oaktree Principal Opportunities. Chris joined AlpInvest Partners in 2007 from Paul Capital Investments, where he was a Principal focused on fund investing. Previously, he was a Principal at Invesco Private Capital responsible for evaluating venture and LBO fund investments as well as direct investments. Chris received a BA in Economics, cum laude, from the University of Pittsburgh and an MBA from The Georgia Institute of Technology.
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Julian Rampelmann
Julian is a Managing Director in the Secondary and Portfolio Finance team focusing on North American transactions. He joined AlpInvest Partners in 2011 from Warburg Pincus in London, where he focused on mid-market consumer and industrial buyout investments. Prior to completing his MBA, Julian worked in the AlpInvest Secondary and Portfolio team in Amsterdam since 2004. Julian received an MBA with honors from The Wharton School and an MSc in Econometrics from the Free University of Amsterdam.
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Matthew Romanczuk
Matthew Romanczuk is a Managing Director in the Secondary and Portfolio Finance team where he is responsible for sourcing, evaluating and executing transactions in North America. He joined AlpInvest Partners in 2011 from Peter J. Solomon Company, where he was an Investment Banking Analyst. Matt received an A.B. in Economics, magna cum laude, from Harvard University.
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Todd Ruggini
Todd is a Managing Director in the Co-Investment team focusing on US transactions. He joined AlpInvest Partners in 2008 from Alta Communications, where he was an Associate working on private equity transactions in the media and communications sector. Previously he was an Analyst in the Investment Banking Division of JPMorgan Chase. Todd received a BS in Finance and Economics from the Stern School of Business at New York University.
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Amit Sachdeva
Amit is a Managing Director and heads AlpInvest’s co-investment effort in the Asia Pacific region, where he focuses on equity transactions in Asia and Australia. Amit rejoined AlpInvest in 2018 after about 3 years at Neuberger Berman in Asia. Prior to NB, Amit worked at AlpInvest for 8 years in our Hong Kong based co-investment team between 2008 – 2016. Before that, he was with JP Morgan IBD based in New York. He started his working career in 2000 as a supply chain management consultant in the US at i2 Technologies and LogicTools respectively. Amit received a Bachelor of Technology from the Indian Institute of Technology, a Master of Science from Northwestern University and an MBA with a major in Finance from The Wharton School at the University of Pennsylvania.
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Stefan Singer
Stefan Singer is a Managing Director on the Secondary and Portfolio Finance team focusing on the Portfolio Finance investments. He is based in New York. Prior to joining AlpInvest in 2024, Mr. Singer was most recently Country Head of Singapore at Zagga Investments. Previously, Mr. Singer built and led the Private Markets Financing Solutions business at J.P. Morgan, where he spent 18 years in a variety of capacities across Latin America, North America, and Asia, and was a key player in developing the bank‘s capabilities in NAV-based lending. Mr. Singer received a BS in Engineering from Cornell University.
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Alexander Sprengers
Alexander Sprengers is a Managing Director and Client Relationship Manager in the Investment Solutions segment, focused on working with investors in Europe. He is based in Amsterdam. Prior to joining AlpInvest Partners in 2011, he spent six years at The Royal Bank of Scotland and ABN AMRO in Amsterdam and Hong Kong within the investment banking team, focusing on mergers and acquisitions advisory. Mr. Sprengers received a MSc in informatics and economics from Erasmus University Rotterdam.
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Roberto Torrini
Roberto is a Managing Director and co-head in AlpInvest Partners’ Co-Investment team and focuses on equity transactions in Europe. He is also a member of the Investment Committee. Roberto joined AlpInvest Partners in 2013 from Advent International, where he was a Director responsible for executing and managing private equity deals on the Italian and European market. Prior to Advent, he worked at McKinsey as an Engagement manager and at Philips Research. Roberto received an MSc in Electronic Engineering from the University of Palermo, and an MBA from INSEAD.
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Maarten van Rossum
Maarten is a Managing Director in the Portfolio and Risk Analysis team and responsible for portfolio analysis, research and allocation, risk assessment, and investor services. He joined AlpInvest Partners in 2000. Prior to his current role, he was an associate in the Funds team. Previously he was a financial analyst at NIB Capital Bank. Maarten received an MA in International Financial Economics from the University of Amsterdam. He also holds an RBA (Registered Investment Analyst) from the Association of Financial Professionals (VBA) in the Netherlands.
Carolyn Weimer
Carolyn Weimer is a Managing Director - Partner and Head of Investor Relations for Global Investment Solutions. In this role, she leads the AlpInvest Investor Relations team which comprises 24 professionals across New York, Amsterdam, Hong Kong and Tokyo. Since joining Carlyle 23 years ago, Carolyn has held various roles helping to build our Investor Relations Group. Along the way she has played key roles in relationship management, new product development and fund formation. She is based in Washington, DC.
Prior to joining Carlyle, Ms. Weimer was a Client Service Analyst at Wellington Management Company, LLP in Boston. As a member of Wellington’s Public Funds Group, she served as a liaison between the firm and some of its largest clients.
Ms. Weimer received an AB, in biology and comparative area studies from Duke University. She currently holds Series 24, 63 and 82 licenses and maintains registrations in 50 states.
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Wendy Zhu
Wendy is a Partner, Managing Director and Global Head of AlpInvest Partners’ Primary Fund Investments team. She is also responsible for the Secondary and Portfolio Finance team in the Asia Pacific region and a member of the Operating Committee.
She joined AlpInvest Partners in 2007 from Macquarie Funds Management, where she was Senior Vice President of Asia-Pacific regional private equity fund investments and co-investments. Previously, Wendy was a Director with Deutsche Bank Asset Management and an Associate Director at MetLife.
Wendy received a BS in Business Administration and an MS in Accounting from the University of Southern California. She represents AlpInvest Partners on various Advisory Boards.
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Edo Aalbers
Edo Aalbers is a Principal in the Portfolio & Risk Analysis team of AlpInvest Partners in New York, responsible for portfolio analysis/construction, research and allocation, risk assessment, fund management, and investor services. He joined AlpInvest Partners in 2010 from the University of Amsterdam, where he worked as a lecturer in International Trade. Edo is a CFA charterholder and obtained an MSc in Financial Econometrics, MSc in International Economics, and a BSc in Finance and International Economics at the University of Amsterdam.
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Andida Bouma
Andida is responsible for AlpInvest Partners’ investment accounting, financial accounting, and cash management. She joined AlpInvest Partners in 2000 as a member of its former Direct Investments team. Previously, Andida was with AlpInvest’s predecessor, Parnib and before she worked at both Credit Lyonnais and Chase Manhattan in corporate finance and private equity. Andida received an MA in Dutch Language and Literature from the University of Amsterdam and an MBA from Erasmus University Rotterdam. She is a certified management accountant (CMA).
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Joe Chang
Joe is a Principal in the Primary Fund Investments team where he is responsible for sourcing, evaluating and executing fund opportunities in Asia. Before joining AlpInvest, he was head of Private Investments – Asia at Lockheed Martin Investment Management Company. Prior to that, Joe was with Mercer Investments as chief representative for its Asia private markets business and previously he held direct investment roles at EQT Partners and Sumitomo Corporation. Joe graduated from University of Michigan with a B.B.A. degree in finance and accounting.
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Kelly Damstra
Kelly is a Principal in the Portfolio & Risk Analysis team in Global Investment Solutions specializing in financial and assurance reporting to investors and valuations. She is based in Amsterdam and joined AlpInvest in 2012. From 2010 to 2012, she worked for Liberty Global in their Corporate Accounting team in Amsterdam, The Netherlands. Prior to that Kelly was an Audit and Assurance Manager with Deloitte in Sydney, Australia from 2007 to 2009. Kelly received her Post Graduate Diploma in Accounting and Bachelors in Accounting and Finance (Honours) from the University of Cape Town, South Africa. Kelly is a South African Chartered Accountant, and received her professional training with Deloitte Cape Town, South Africa (with secondments to London and Philadelphia).
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Ning Croes-Cui
Ning is AlpInvest Partners’ head of Financial Accounting. The Financial Accounting team is responsible for the consolidated financial statements of Alpinvest Partners BV and its subsidiaries and affiliated companies. Ning joined AlpInvest Partners in 2018 from Hyva Group where she led the group Financial and Reporting department. Before Hyva, Ning worked in the different international companies both in financial and business controlling functions. Ning holds a MA in English Language and Literature from Amsterdam University, a MSc in International Finance and Control from Maastricht University and she is a Registered Controller in the Netherlands.
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Samip Dasgupta
Samip Dasgupta is a Principal focused on co-investment private equity opportunities in North America. He is based in New York.
From 2010 to 2013, Samip was an Analyst at Wells Fargo Securities, where he focused on investment banking transactions in the Consumer Services and Food & Beverage sectors. Prior to that, he worked at a healthcare startup which helped to develop healthcare facilities to promote Medical Tourism in India.
Mr. Dasgupta received a BSc in Business Management from Babson College.
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Patrick de van der Schueren
Patrick is AlpInvest Partners’ Chief Legal Officer for Europe and Asia. He joined the firm in 2002 from law firm Steins Bisschop Meijburg & Co., where he was a corporate partner responsible for a transactional legal team. Previously, Patrick was a senior transaction lawyer with Loyens & Loeff. During this time, he served for three years as Off Counsel with Ali Budiardjo Nugroho Reksodiputro, Jakarta. Patrick received a BA in modern history, a LL.M. in Dutch private law from the University of Utrecht and a LL.M. in European and International Tax Law from the University of Amsterdam. Patrick is a member of the Netherlands Association of Company Lawyers and the Amsterdam Bar Association.
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Alexander Forster
Alexander is a Principal in the Primary Fund Investments team and focuses on equity transactions in Asia. He joined AlpInvest Partners in 2012 from Cambridge Associates’ International Private Equity team in Boston. Alexander received a BA in Business Economics from the University of California.
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Mark Goldberg
Mark is a Principal in the Portfolio & Risk Analysis team of AlpInvest Partners, focusing on portfolio analysis, quantitative modeling, investment allocations, new product development, fund management, and investor relations. He is based in New York. Mark joined AlpInvest Partners in 2012 from Avista Capital Partners where he worked in Investor Relations. Before Avista, he was an Analyst at Taishan Capital Corporation, based in Beijing, focusing on cross-border M&A transactions. Mark is a CFA charterholder and received a B.A. with honors in Economics, International Relations, and East Asian Studies from Johns Hopkins University.