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Mary Stelletello 

Vista Global Coaching & Consulting  Principal
Madison, WI

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Madison, WI
Vista Global Coaching & Consulting

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Certified by a professional coach training school
Master's degree
Professional Certified Coach


Mary Stelletello brings 25 years of experience in the nonprofit and philanthropic sectors to her coaching and consulting work.  She worked internationally for five years, managing two corporate philanthropy programs, focusing on leadership development and education in 13 countries. She founded Vista Global Coaching & Consulting, a national consulting and coaching firm in 2010, becoming the first certified B Corp in Wisconsin in 2012.


As a leadership coach, Mary believes that everyone has talent to contribute to a successful team. It is really a matter of tapping into that talent and integrating it with the shared vision of success. Mary believes we are multidimensional, and with that she approaches coaching through looking at the whole person. She leverages her experience in working internationally in five counties, to work with leaders, capitalizing on their strengths to move toward actionable change. Mary coaching leaders at all levels of organizations, including direct contributors through executives. She has clients in the nonprofit, academic, corporate and government sectors.


Mary is certified as a Professional Credentialed Coach-International Coach Federation (PCC) and Certified Professional Co-Active Coach (CPCC). She is a coach supervisor for students in the UW-Madison Professional Life Coaching Certificate Program.  She is trained as a Conversational Intelligence Enhanced Skills Practitioner and is certified in the Student Leadership Practice Inventory 360.  She is an associate coach with Ken Blanchard Companies and Coaching Right Now.  Mary holds an MBA and MA from the University of New Mexico and received her Bachelor’s degree from the University of California, Berkeley. 


As a solopreneuer, Mary maintains two virtual offices, one in Madison, Wisconsin and one in Oaxaca, Mexico. Mary spends the winter months in Oaxaca with her husband. When she isn’t doing the work she

loves, she is outside biking, hiking and playing tennis. Mary is also very active in her community, serving

causes committed to business as force for good and equitable sustainable economies.  You can learn more about Mary at