Stephen Rahaim: Founder & Principal

Stephen has lived experience working in markets and communities across 20 countries . He has advised and collaborated with start-ups and innovators at all stages, multi-national and emerging market companies and non-profits, foundations, investors, and strategic philanthropists. His focus has always been to deliver intelligent growth and enduring positive impact through collaboration and a well-honed knowledge of what works. Stephen bring clients deep experience in strategic planning, partnership development, business development, product design, and go-to-market strategies, among other aspects of Co-Centric’s offering.

Stephen complements his skills with a select, trusted network of collaborating consultants and partners.

Colm Fay: Strategic Advisor, Innovation and Learning: Colm helps others navigate complexity, connect the dots within and across systems, and bring ideas to life. He has launched and led grant programs and technical assistance facilities that support enterprises in health and climate innovation across Sub-Saharan Africa and South East Asia. He collaborates with academia, governments, social enterprises, philanthropy, development finance institutions and non-profit organizations to deliver programs grounded in learning and experimentation as drivers of sustainable, scalable impact. Colm works with clients to build impactful programs, develop effective operating models, and surface actionable insights.

Amitaksa Nag: Collaborating Consultant, System Thinking and Intelligence: Amit is a consultant and entrepreneur focused on innovation and the scaling of high-impact development programs. He has worked with a wide range of organizations across the Global South, applying systems-based approaches to align strategy, structure, and capabilities for scalable and lasting impact. He is the founder of Datamuse, which develops investable pipelines of transformative projects in the circular economy, agriculture, systemic finance, and digital infrastructure—each grounded in systems change methods. He is also the co-founder of Frametrics Consulting, a Delhi-based firm specializing in research, analytics, and project implementation.

Cristin Marona: Collaborating Consultant, Health Innovation, Human Centered Design: Cristin is a global health strategist and human-centered design leader with 15 years of lived experience across the African continent and work in over 20 countries worldwide. She advises governments, donors, and implementing partners on advancing health equity through product innovation, system integration, and behaviorally informed design. Cristin brings deep expertise in method mix diversification, policy alignment, and user-centered delivery. Her work focuses on translating innovation into sustainable, context-driven strategies that improve agency, access, and impact across the health landscape.

Farhan Yusuf: Collaborating Consultant, System Strengthening and Private Sector Engagement: Farhan is a pharmacist and health systems strengthening consultant with 14 years of experience in Tanzania and across other countries in Africa. He has worked across the public, private and non-profit sectors to design and improve the performance of health commodity logistics and pharmaceutical supply chains, public private partnerships for health and market development approaches in support of projects, programs and enterprises. The technical areas supported include leadership & governance, program management, monitoring & evaluation, technical support, communications, and knowledge management.

Ram Ganesan: Collaborating Consultant (Bio coming soon)