Your Leadership Journey Starts Here

Whether you work in the corporate, non-profit, or government sectors, our curriculum is designed to tackle the challenges that leaders face daily — managing diverse teams, navigating organizational change, and fostering innovation under pressure. Elevate your leadership with a principled approach. Our programs are tailored to help you:

  • Resolve Work-Life Balance: Develop strategies to manage ongoing change and stress while aligning leadership decisions with your values.

  • Drive Meaningful Impact: Cultivate trust within your team and promote a culture of collaboration and respect.

  • Enhance Career Growth: Build credibility as a leader who prioritizes ethics and results, paving the way for personal and professional success.

Meet Our Team

A smiling woman with short gray hair and glasses, wearing a mustard yellow blazer, sitting on a staircase with white railings.

Hi, I’m KATHERINE COLES

Founding Principal, Decalō Leaders

Katherine Coles is a dedicated leader in organizational development with over 15 years of experience supporting executive teams, emerging leaders, and complex organizations. Her passion for leadership development, team building, and change management shines through in her work. Katherine’s approach is grounded in adult learning principles and data-driven strategies, which she employs to cultivate inclusive, high-performing teams and effective leadership. She excels at translating strategic goals into practical, scalable development plans that drive meaningful change.

  • "Brilliant OD and leadership development expert and facilitator. I can't wait to read her future books."

  • "Brilliant and creative leader. She takes appropriate risks and has the courage and knowledge to see them through."

  • "Powerful and dynamic facilitator who delivers thoughtfully-crafted learning session designs."

  • Solid academic background and great instincts. She is knowledgeable, direct, and impactful."

Hi, I’m NATALIE SPANGLER

Founding Principal, Decalō Leaders

Natalie is a dedicated consultant specializing in stakeholder engagement and leadership development. Grounded in her faith and a deep commitment to service, she empowers organizations and professionals to build meaningful connections, foster collaboration, and drive impactful growth. Believing that leadership is more than just strategy—it’s about purpose, integrity, and uplifting those around us—Natalie guides individuals and teams to refine their leadership approach with wisdom, empathy, and vision. Her work bridges gaps between stakeholders, ensuring alignment and engagement that leads to sustainable success. With a strong foundation in nonprofit leadership, program design, and values-driven consulting, Natalie is passionate about helping professionals unlock their full potential.