Greg Mennis

Greg Mennis

  • Director
  • Public Sector Retirement Systems,
  • The Pew Charitable Trusts


Greg Mennis directs Pew’s work on public sector retirement systems. The project provides cutting-edge research on pension and retiree health promises and helps states and cities undertake evidence-based pension and retiree health care reforms.

Before joining Pew, he was assistant secretary for fiscal policy in the Massachusetts Executive Office for Administration and Finance, where he was responsible for retirement benefits policy, long-term fiscal planning, and the state’s Pay for Success financing program.  In that role, Mennis led the development of Massachusetts’ successful pension reform legislation and created the state’s first long-term fiscal policy framework.  He also has 15 years of experience in corporate finance and strategy, having served in a variety of roles at Citigroup and JPMorgan and as the chief financial officer and executive vice president of corporate development for a market-leading provider of retirement services technology.

Mennis is a chartered financial analyst. He has a bachelor’s degree in finance and public communications from Syracuse University and a master’s degree in public administration from the Kennedy School of Government at Harvard University.

Recent Work

View All
  • Pennsylvania’s Historic Pension Reforms

    Pension reform legislation enacted this year in Pennsylvania with broad bipartisan support is historic in its scope and impact. The new law establishes what is known as a risk-managed hybrid plan for new employees that lowers costs and significantly reduces risk for taxpayers—while preserving a path to retirement security for public workers. At the same time, it maintains and extends the... Read More

  • Basic Legal Protections Vary Widely for Participants in Public Retirement Plans

    State and local pension plans hold over $3.6 trillion in retirement fund investments for participants and their beneficiaries, with returns on these investments accounting for an estimated 60 percent of the money paid out in pension benefits each year. In recent decades, public pension funds, in a bid to boost returns, have shifted funds away from low-risk, fixed-income investments—such as... Read More

  • State Retiree Health Care Liabilities: An Update

    States paid a total of $20.8 billion in 2015 for non-pension worker retirement benefits, known as other post-employment benefits (OPEB).  Almost all of this money was spent on retiree health care. The aggregate figure for 2015, the most recent year for which complete data are available, represents an increase of $1.2 billion, or 6 percent, over the previous year. The 2015 payments covered... Read More

Media Contact

Sarah Jones

Officer, Communications