Triangles
Jonathan Thomas and Tim Preston explore the geometry of relationships from both a leadership and personal perspective, and how their CoreSelf Map™ begins with drawing a simple triangle on a blank sheet of paper to help people visualize stable relationships and how to work better together.
About the Authors
Tim Preston is co-founder of Simple. Not Easy., co‑creator of CoreSelf Framework, and co‑author of CoreSelf Positioning (2025). A former architect, entrepreneur, and business leader, he explores how individuals, teams, and organizations regain clarity, agency, and direction amid complexity and uncertainty.
Jonathan Thomas, MSW is a Bowen Family Systems practitioner, educator, co-creator of CoreSelf Framework, and co-author of CoreSelf Positioning (2025). Across five decades of work with children, parents, and families, he explored how people develop awareness, navigate relationships, and orient themselves during periods of challenge, change, and uncertainty.
Learn more about Jonathan, Tim & CoreSelf Positioning.