About Us

Rosedale Green is a consulting firm supporting nonprofit organizations with strategic planning, leadership development and facilitation services.

Margot Hoerrner

Principal & Founder

Margot believes that great leaders inspire and empower others. She believes that having a clear plan creates a shared vision and roadmap to success for all. She also believes in the unique power of women to create meaningful, sustainable change in the world.

With more than 25 years’ experience working in strategic leadership roles for local, national and international organizations, Margot has served as an Executive Director, Board member, community organizer, mentor, educator and elected official, all of which have shaped her ability to understand the nuances and subtleties of her clients’ needs, and what is required to deliver results in a real-world
context.

Outside of work, Margot is an off-the-beaten path adventurer, with more than 30 years of solo travel across five continents. She is a gifted connector, bringing together friends and colleagues from around the world for good food and great conversation.

Shannon DeGroot

SENIOR CONSULTANT

Shannon’s career has spanned the globe, with strategic leadership roles in both the non-profit and private sectors. She brings extraordinary expertise in, and passion for, leadership, organizational culture, executive coaching, and communications from a cross-cultural perspective with a focus on cultivating optimism and empowering others.

Shannon grew up in Ontario, Canada in Lake Country. From an early age, she brought an ambitious spirit to her interests, and competitive athletics shaped her early life as a national level swimmer, waterski instructor and trained firefighter.

She has led large projects worldwide across multiple industries. Organizations include the International Association of Lung Cancer, the Asia Pacific Association for International Education, International Baccalaureate, the European Association of Geoscientists and Engineers and the Canadian Radiation Protection Association to name a few.

Client List

Rosedale Green focuses on organizations, typically non-profits who are committed to improving society, managing change through people, politics, or actions;  helping those working to raise the bar for humanity. 

Social Services and Networks

Association of Administrators of the Interstate Compact on Adoption and Medical Assistance

Rodman for Kids

Sisters Circle

Military Families Advisory Network

NeighborWorks America

International Development

Alliance to End Hunger

Center for International Private Enterprise

International Republican Institute

Congo Leadership Initiative

Population Connection

Business

American Council of Life Insurers

Baltimore Women in Business

Credit Builders Alliance

Health

American Academy of Otolaryngologists - Head and Neck Specialists

Christopher & Dana Reeve Foundation

Montage Health Foundation

Red Devils

Education

Center for the Advancement & Study of International Education

International Baccalaureate

Monument Academy

Democracy and Civil Rights

Democracy and Power Innovation Fund, Rockefeller Family Fund

Maryland Commission on Civil Rights

Reporters Committee for Freedom of the Press

Philanthropy

Catalogue for Philanthropy

Infrastructure and Public Works

The High Road Foundation

Arts and Culture

Musee de Beaux Arts de Montreal

“It was a pleasure to have you spend the day with the entire staff at the foundation to open up everybody's minds on better processes to work cohesively and have better outcomes.” 

Allan T. Brown
Director of New Partner Engagement , Christopher & Dana Reeve Foundation

“Margot was able to translate an often intimidating, misunderstood process into an easily accessible (even enjoyable!) exercise.” 

Anthony Tait
Director of Global Professional Development
International Baccalaureate

“Margot is not only an extremely kind, ethical and emotionally intelligent person; she is an extraordinary guide to organizations who need to define their mission, goals and values.” 

Kimberly B.
Senior Director, Public Policy at Christopher & Dana Reeve Foundation

“Margot is a gifted facilitator, able to diagnose and clear roadblocks to help my leadership and Board break through to new conclusions.” 

Nathaniel Houghton
Founder, Congo Leadership Initiative

“Margot is a gifted facilitator, able to diagnose and clear roadblocks to help my leadership and Board break through to new conclusions.” 

Nathaniel Houghton
Founder, Congo Leadership Initiative