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Team and Advisory Council


Leadership Team

  • Marissa McKeever, Esq.

    Co-Founder and Former Director
    Ms. McKeever serves as the Director of Government and Community Affairs for Sibley Memorial Hospital. She is passionate about advancing equity, investing in underserved communities, and building capacity for system-level change.
    Marissa McKeever, Esq.
  • Laura Dawn Sander, M.D., M.P.H.

    Medical Director of Community Outreach and Population Health
    Dr. Sander is an internist and preventive medicine physician. She is passionate about caring for patients at the individual level and building programs for communities, with the goal of everyone achieving their best possible health.
    Laura Dawn Sander, M.D., M.P.H.
  • Steven Ragsdale

    Health Equity Advisor
    Mr. Ragsdale serves as Associate Faculty at the Bloomberg School of Public Health and is the Founder of Connecting the Dots Consulting. He is a medical historian and former healthcare administrator who is passionate about unearthing American history to create culture shifts that construct a better tomorrow.
    Steven Ragsdale
  • Marianne Panke

    Program Experience & Operations
    Ms. Panke ensures that every touchpoint with our teams and community stakeholders honor those we serve. Marianne is passionate about supporting leaders to transform the barriers and challenges they face into the life they envision for themselves and their community.
    Marianne Panke
  • Grace Landry

    Health Innovation Fellow
    Grace Landry is a senior at Drexel University studying Product Design and Public Health. She is passionate about using the human centered process to improve the quality and accessibility of healthcare.
    Grace Landry
  • Bri Hornberger

    Designer in Residence
    Bri Hornberger is a recent graduate of Drexel University's Product Design program. She is passionate about involving people in the design process to create better products, systems, and services for all.
    Bri Hornberger
  • Priyanka Santhapuram

    Administrative Resident
    Priyanka is a Masters of Healthcare Administration candidate through the Bloomberg School of Public Health at Johns Hopkins University and is pursuing her administrative residency at Sibley Memorial Hospital. She is passionate about implementing social determinants of health to improve healthcare quality, equity, and accessibility.
    Priyanka Santhapuram

Advisory Council

The Ward Infinity Advisory Council consists of civic leaders who offer Sibley strategic advice on amplifying impact while honoring the values of community residents and leaders.


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