Principal Consultant & Founder
Esther Dupie, MBA, DSL (Doctoral Candidate)
Esther Dupie is the Founder and Principal Consultant of Koningin Consulting and Co-Founder of Onyx Energy Solutions. With over 30 years of experience advising founders, executives, and mission-driven organizations, she brings deep expertise in strategy, operations, financial stewardship, and organizational sustainability. She holds an MBA from Suffolk University and is a doctoral candidate in Strategic Leadership at Regent University. She also serves as Board President of the Massachusetts Affordable Housing Alliance, a position she has held for over 20 years.
Lead Consultant, People, Culture & Organizational Effectiveness
Rashida Constantine, MBA
Rashida Constantine, MBA, is the Lead Consultant for People, Culture & HR Advisory at Koningin Consulting. As Chief Human Resources Officer at Suffolk University, she brings executive-level human capital expertise to every engagement — advising leaders on HR strategy, workforce planning, organizational effectiveness, governance, and culture transformation. She helps organizations build the people systems that support sustainable growth.