Are you looking for a clear, dynamic speaker or workshop leader who can inform and inspire your audience about what it takes to lead social change?

David and Marilyn have extensive experience in designing and delivering customized keynotes and presentations for a wide variety of organizations.

Sample Topics

Leading Systems Change

Increasing Grant-making Effectiveness Through Applied Systems Thinking

Is Moving Too Fast Slowing You Down?

Managing Your Time As a Leader

Selected Speaking Clients

  • National Council of Nonprofits

  • New Profit

  • Social Impact Exchange

  • Women in Surgery
  • Help Me Grow

  • Jewish Federation
    of North America

  • Massachusetts Conference
    on Women

  • National Alliance for
    Ending Homelessness
  • Alberta Dept. of Housing
    and Urban Affairs

  • Conscious Business
    Leadership Summit

  • Council on Foundations

  • Grantmakers for
    Effective Organizations


What People Are Saying
  • “It was really OUR pleasure and treat to have David share with this group. It was a phenomenal day, and they got so much out of it. Every single person I spoke to said the same thing. It really opened up their thinking and gave them so many tools and ways to apply system methods and thinking to problems they are challenged with all the time.”

    Alexander Rossides
    President, Growth Philanthropies Network

  • “On behalf of the Social Impact Exchange team, I want to thank you for a fantastic presentation this week at our Learning Community on Systems Thinking, Systems Change, and Collaborative Networks. I really cannot think of a better way for us to inaugurate this next series of convenings. Our audience loved it.”

    Anne Sherman
    Vice President, Nonprofit Strategy Social Impact Exchange 

  • “It was such a pleasure to have Marilyn as a keynote at our annual learning conference. Her presence, message, humbleness and wonderful humor — all wrapped together was just outstanding.”

    Pamela McLean, Ph. D,
    The Hudson Institute of Santa Barbara

  • “Marilyn was a smash hit. She did this with a wonderful, down-to-earth sense of humor that comes with really knowing your stuff.”

    Rev. Nicholas M. Morris-Kliment
    Senior Rector, Christ Church, Needham, MA

  • “The workshop was an incredible success! The attendees raved about the valuable takeaways she provided as well as her down-to-earth and humorous presentation style.”

    Jennifer DeVan Troutman
    Program Director, Massachusetts Conference for Women