ZOI Consulting Services
Aurora, United States (US) · Education and Training
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Last verified
May 2026
Overview
Alex Sierra is an executive coach, leadership development expert, and public speaker with over 29 years of experience leading high-performing teams across Fortune 500 companies and nonprofit boards. Combining strategic insight with a deep understanding of human behavior, he empowers individuals and organizations to unlock their full potential. Alex specializes in tailored coaching, dynamic workshops, and DISC personality assessments, focusing on enhancing communication, collaboration, and performance at all levels. His mission is to help leaders understand themselves and others better, driving meaningful and lasting change.
Contact Details
info@johncmaxwellgroup.com
Aurora, United States (US), 2018 Whitethorn Dr
Company Type
Self-Employed
Employees
2-10
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