Margaret Sadler spent her career as a global Human Resource Executive for multinational corporations working with managers to resolve organization issues. Throughout her career she has been involved with many nonprofit and government agencies from chairing a Civil Service Commission to having a seat on an Historic House Board. She is the recent past Chair of the Board of the Pennsylvania Horticultural Society having served two separate terms 2014-2017 and 2024-2026. She currently is on the Board of the Lantern Theater Company in Philadelphia. She is a former Trustee of the Women’s Law Project, having served as Chair of the Governance and HR committees. She is a past Trustee and Treasurer of the Woodmere Art Museum in Philadelphia and past President of Friends of Falls Library.
Since 2012 Margaret Sadler has offered pro bono consulting to nonprofits that otherwise could not afford a consultant. Clients have included social service, cultural, arts and educational organizations. Her client list covers recent new nonprofits to some established for over 75 years. Many are all-volunteer run with an active board while others a have paid staff. Her consulting has addressed such topics as board development and training, strategic planning, organizational assessment, structural change, transitional change and succession planning.