Margaret Sumption
Phone: +1-(605) 336-0244

Margaret J. Sumption, MSED, LPC, SPHR, SHRM-SCP is a Grahall Consulting Partner and is a founder of Sumption & Wyland has over thirty-five years of experience as a teacher and counselor, nonprofit administrator, development officer, and volunteer board member serving a wide variety of organizations. Margaret specializes in the interpersonal dynamics that affect leadership and organization function. She is a popular, dynamic, and effective speaker for nonprofit professional organizations, associations, and other audiences.

Sumption & Wyland, established in 1990, provides nonprofit board governance consulting, strategic planning for hospitals and other select clients, and executive coaching services. Many of our client organizations are hospitals, but the firm has worked with all kinds of nonprofits, from agriculture conservation districts to zoos. We have experience working with several types of nonprofits, focusing on charities and associations.