apstl.Dr. Sully

DrSully is the professional brand of Dr. RD “Dr. Sully” Sullivan, an industrial-organizational psychology and leadership specialist who helps executives, organizations, ministries, and teams address people and systems challenges. With more than 20 years of experience and work serving over 375 clients and 100 organizations, the brand focuses on diagnosing root causes, resolving conflict, and guiding sustainable change.

Its signature MakeChange Operating System helps clients make sense of challenges, build effective structures, and implement practical changes. Services include executive coaching, organizational assessment, culture and systems repair, team alignment, conflict intervention, strategic planning, leadership retreats, and AI consulting. Speaking and training offerings cover leadership development, trauma-informed leadership, emotional intelligence, equity and resiliency, conflict resolution, organizational change, and AI readiness. The brand also provides CERC certification, leadership cohorts, facilitator development, ministry training, and educational resources.

DrSully offers a free Make Change Scan to help leaders identify barriers and determine next steps. Books, workbooks, courses, and other resources extend its guidance to leaders, pastors, founders, educators, and consultants.