Managing Directors

Mr. Roth has 28 years of private equity investment experience and is responsible for the overall management of the firm.  He also works closely with clients to develop and implement private equity investment programs.  Mr. Roth reviews investment opportunities, with specific emphasis on the analysis and due diligence for prospective investments, and is engaged in the negotiation of business and legal issues, ongoing monitoring of investments and profit realization from distributed securities.  Mr. Roth also serves on several partnership advisory boards.  Prior to joining Abbott in 1992, Mr. Roth was an Associate at Elmrock Partners and a Financial Analyst with Amoco Corporation.  Prior to obtaining his M.B.A., he worked for Chemical Bank as a corporate lending officer.  Mr. Roth received his A.B. in Economics from Cornell University and his M.B.A. from The Fuqua School of Business at Duke University.

Additional Activities:

Jonathan has served on Cornell University’s Private Equity Subcommittee since 1999 and the One Voice Finance and Investment Committee since 2021.

Prior Experience:

Elmrock Partners
Amoco Corporation
Chemical Bank

Education & Accreditations:

Cornell University, A.B. in Economics
The Fuqua School of Business at Duke University, M.B.A.

  • Jonathan D. RothView Bio

    Jonathan D. RothManaging Director, President

    Mr. Roth has 28 years of private equity investment experience and is responsible for the overall management of the firm.  He also works closely with clients to develop and implement private equity investment programs.  Mr. Roth reviews investment opportunities, with specific emphasis on the analysis and due diligence for prospective investments, and is engaged in the negotiation of business and legal issues, ongoing monitoring of investments and profit realization from distributed securities.  Mr. Roth also serves on several partnership advisory boards.  Prior to joining Abbott in 1992, Mr. Roth was an Associate at Elmrock Partners and a Financial Analyst with Amoco Corporation.  Prior to obtaining his M.B.A., he worked for Chemical Bank as a corporate lending officer.  Mr. Roth received his A.B. in Economics from Cornell University and his M.B.A. from The Fuqua School of Business at Duke University.

    Additional Activities:

    Jonathan has served on Cornell University’s Private Equity Subcommittee since 1999 and the One Voice Finance and Investment Committee since 2021.

    Prior Experience:

    Elmrock Partners
    Amoco Corporation
    Chemical Bank

    Education & Accreditations:

    Cornell University, A.B. in Economics
    The Fuqua School of Business at Duke University, M.B.A.

  • Mary T. HornbyView Bio

    Mary T. HornbyManaging Director, General Counsel

    Ms. Hornby has 23 years of experience in private equity matters and assists the investment team in the review, legal analysis and negotiation of underlying fund investments and directs all legal aspects relating to the formation and maintenance of Abbott’s pooled investment funds.  In addition, Ms. Hornby assists in the legal aspects of daily operations, including client relationships and contracts, regulatory compliance and internal corporate structuring matters.  Prior to joining Abbott in 2005, Ms. Hornby was Counsel and a member of the Private Equity Group at Testa, Hurwitz & Thibeault, LLP, representing investment advisers, funds of funds, public pension plans and other limited partner investors, as well as general partner groups, in all aspects of private equity fund formation.  Ms. Hornby received her B.A., magna cum laude, from Boston College and her J.D. from Boston College Law School.  She is a member of the Bar of the Commonwealth of Massachusetts.

    Prior Experience:

    Testa, Hurwitz & Thibeault, LLP

    Education & Accreditations:

    Boston College, B.A., magna cum laude
    Boston College Law School, J.D.
    Member of the Bar, Commonwealth of Massachusetts

  • Jobst KlemmeView Bio

    Jobst KlemmeManaging Director

    Mr. Klemme has 20 years of private equity investment experience. He reviews investment opportunities with specific emphasis on analysis and due diligence for prospective investments.  Mr. Klemme manages Abbott Capital (Europe), Ltd, Abbott’s subsidiary which is authorized and regulated by the UK Financial Conduct Authority and located in London. Mr. Klemme worked for Bethmann Bank AG as Director in its Private Equity Solutions group.  Prior to working at Bethmann Bank, he worked at Credit Suisse as Vice President, also in its Private Equity Solutions group. Mr. Klemme received his M.B.A from ESCP Europe and his Bachelors of Arts in Business Administration from Georg-August University Goettingen.

    Prior Experience:

    Bethmann Bank
    Credit Suisse
    Equity Partners
    CEA Capital Partners
    Deutsche Bank

    Education & Accreditations:

    Georg-August University Goettingen, B.A. in Business Administration
    ESCP Europe, Diplom-Kaufmann / Diplome de Grandes Ecoles de Gestion

  • Young LeeView Bio

    Young LeeManaging Director

    Mr. Lee has 15 years of private equity investment experience.  He reviews investment opportunities, with specific emphasis on analysis and due diligence for prospective investments, and is engaged in the negotiation of business and legal issues, ongoing monitoring of investments and profit realization from distributed securities. Mr. Lee also serves on several partnership advisory boards. Prior to joining Abbott in 2007, Mr. Lee was an associate at The Henry J. Kaiser Family Foundation in Menlo Park, sourcing and leading due diligence on prospective private equity and hedge fund investments.  Mr. Lee also worked as a product manager in the Online Business Services Division at Silicon Valley Bank and co-founded a company that matched university-based start-ups with angel investors.  Mr. Lee received his B.A. in Economics from Stanford University, his M.B.A. from Columbia University and is a CFA® charterholder.

    Prior Experience:

    The Henry J. Kaiser Family Foundation
    Silicon Valley Bank

    Education & Accreditations:

    Stanford University, B.A. in Economics
    Columbia University, M.B.A.
    CFA Charterholder

  • Timothy W. MaloneyView Bio

    Timothy W. MaloneyManaging Director

    Mr. Maloney has 19 years of private equity investment experience.  He reviews investment opportunities, with specific emphasis on analysis and due diligence for prospective investments, and is engaged in the negotiation of business and legal issues, ongoing monitoring of investments and profit realization from distributed securities.  Mr. Maloney also serves on several partnership advisory boards. Prior to joining Abbott in 2004, Mr. Maloney was an associate at Frye-Louis Capital Management in Chicago, working on screening and due diligence for venture capital, buyouts and special situations partnerships.  Mr. Maloney also worked as a senior analyst at General American Transportation Corporation and at Hewitt Associates as a pension consultant.  Mr. Maloney received his B.S. in Accounting from DePaul University, his M.B.A. in Finance from New York University and his C.P.A. from the State of Illinois.

    Prior Experience:

    Frye-Louis Capital Management
    General American Transportation Corporation
    Hewitt Associates

    Education & Accreditations:

    DePaul University, B.S. in Accounting
    New York University, M.B.A. in Finance
    CPA, State of Illinois

  • Lauren M. MasseyView Bio

    Lauren M. MasseyManaging Director, Chief Administrative Officer

    Ms. Massey has 28 years of private equity experience. She oversees the firm’s fund investment recordkeeping activities, separate account reporting and the calculation of various performance analytics.  Prior to joining Abbott in 1995, Ms. Massey was an Audit Manager in the Financial Services Division of Ernst & Young, where she had an asset management industry focus and was responsible for audit planning and management.  Ms. Massey received her B.S. in Accounting from the State University of New York at Binghamton, her M.B.A. in Finance and Marketing from New York University and her C.P.A. from the State of New York.

    Additional Activities:

    Lauren serves on the board of Pearl S. Buck International, a non-profit organization committed to expanding opportunities for children and promoting multicultural appreciation while advocating for humanitarianism throughout the world.

    Prior Experience

    Ernst & Young

    Education & Accreditations

    State University of New York at Binghamton, B.S. in Accounting
    New York University, M.B.A. in Finance and Marketing
    CPA, State of New York

  • Leonard C. PangburnView Bio

    Leonard C. PangburnManaging Director

    Mr. Pangburn has 14 years of private equity investment experience.  He reviews investment opportunities, with specific emphasis on analysis and due diligence for prospective investments, and is engaged in the negotiation of business and legal issues, ongoing monitoring of investments and profit realization from distributed securities. Mr. Pangburn also serves on several partnership advisory boards. Prior to joining Abbott Capital in 2005, Mr. Pangburn was a supervisor of global operations at International Fund Services in New York, where he managed and reconciled all aspects of the global security database.  Mr. Pangburn received his B.S. in Finance from Bentley University and his M.B.A. from New York University.

    Prior Experience:

    International Fund Services

    Education & Accreditations:

    Bentley University, B.S. in Finance
    New York University, M.B.A in Finance

  • Paolo ParzialeView Bio

    Paolo ParzialeManaging Director, Chief Financial Officer

    Mr. Parziale has 20 years of private equity experience.  He oversees the financial accounting and administration of all fund of funds products, including the preparation of all fund financial reports and tax filings as well as Abbott’s corporate accounting function.  Prior to joining Abbott in 2002, Mr. Parziale was an Audit Senior at Ernst & Young, where he worked on audits of investment management firms and various types of commingled funds.  Mr. Parziale received his B.S. in Accounting from St. John’s University, his M.B.A. in Finance from New York University and his C.P.A. from the State of New York.

    Prior Experience:

    Ernst & Young

    Education & Accreditations:

    St. John’s University, B.S. in Accounting
    New York University, M.B.A in Finance
    CPA, State of New York

  • Meredith L. RerisiView Bio

    Meredith L. RerisiManaging Director

    Ms. Rerisi has 19 years of private equity investment experience. She reviews investment opportunities, with specific emphasis on analysis and due diligence for prospective investments, and is engaged in the negotiation of business and legal issues, ongoing monitoring of investments and profit realization from distributed securities.  Ms. Rerisi also serves on several partnership advisory boards.  Ms. Rerisi originally joined Abbott in 1998 and returned in the fall of 2002, following receipt of her M.B.A.  Prior to joining Abbott, Ms. Rerisi was an equity analyst at American High Growth Equities Corporation.  Ms. Rerisi received her B.S. in Applied Economics and Business Management from Cornell University and her M.B.A. from The Fuqua School of Business at Duke University.

    Prior Experience:

    American High Growth Equities Corporation

    Education & Accreditations:

    Cornell University, B.S. in Applied Economics and Business Management
    The Fuqua School of Business at Duke University, M.B.A.

  • Matthew M. SmithView Bio

    Matthew M. SmithManaging Director

    Mr. Smith has 19 years of private equity investment experience. He is responsible for reviewing investment opportunities with specific emphasis on analysis and due diligence for prospective investments and is engaged in the negotiation of business and legal issues, ongoing monitoring of investments and profit realization from distributed securities.  Mr. Smith, as Abbott’s ESG Officer, is responsible for building upon the strong foundation Abbott has set in adopting the UN Principles for Responsible Investment and integrating ESG considerations into Abbott’s investment process. Prior to joining Abbott in 2000, he was a financial examiner at the Federal Reserve Bank of New York.  He also worked for First Trust Washington and Bank of America as a trust officer. Mr. Smith received his A.B. in History and his M.B.A. in Finance from Georgetown University.

    Prior Experience:

    Federal Reserve Bank of New York
    First Trust Washington
    Bank of America

    Education & Accreditations:

    Georgetown University, A.B. in History
    Georgetown University, M.B.A. in Finance