What Our Clients are Saying

"...the exercises that we learned and the practices that Sarah taught us translated to every avenue of our lives. Like pieces of a puzzle, each session built upon itself and through the course of the program, I was able to solve issues that I had struggled with most of my life..."
Director, Consulting Firm
Sarah Happel
Founder & President
Spectrum Leadership Solutions

Empowering leaders

Breakthrough results

One powerful conversation at a time

Our Mission

Our mission is to enable leaders, teams and businesses to effectively manage, perform and succeed in a culture of constant change.  We leverage our decades of expertise - across sectors, countries and corporate cultures - providing clients with a transformational experience; one they are able to re-create, embody and teach others in their organizations.

Our Services


With our 20 years of expertise in the field of communication, we are able to create stimulating leadership experiences that wake people up. Led by Sarah Happel, the Spectrum Leadership Solutions team provides cutting-edge leadership development programs, intercultural training, workshops and leadership coaching for individuals and organizations looking to grow leadership competencies and improve results.

Leadership Changing Lives

Through cultivating unique leadership conversations and outlooks, our clients learn to see themselves, their organizations, and the world, in a new way. We pride ourselves on continuous innovation, self-development and upholding the highest standard of excellence in our industry. We know how to provide powerful tools and paradigms for your people to avoid costly mistakes, build relationships and succeed both personally and professionally.  

What makes a great leader?


Inter-American Development Bank 
Internal Revenue Service
Marriott International 
Purdue University
Results for Development Institute 
The Quorum Initiative

Our Clients

American Council on Education
Federal Executive Institute
Fontes Human Resource Management
Fulbright Scholar Program
Goethe Institut
International Finance Corporation
Weggener Edstrom Media & Public Relations
Women in Transportation
World Bank Group
U.S. Citizenship and Immigration Services