Our Expertise
Our role is to empower public decision-makers to refine their economic strategies in an increasingly volatile global landscape – spanning economic strategy, financial management and the complex challenges that shape long-term national outcomes.
01
Economic Strategy
Designing actionable development roadmaps
We develop targeted growth strategies by identifying priority sectors and projects. Our services span business-climate assessments, governance enhancement, economic diplomacy, foreign investment attraction, national branding and policy reform – with full-cycle support for implementation, monitoring and evaluation. The result is strategy that is practical, measurable and aligned with long-term national goals.
02
Public Policy
Improving governance frameworks and institutional efficiency
We assess public-sector structures and the state’s financial portfolio to improve performance and resilience. Our approach strengthens governance, fiscal sustainability, transparency and accountability – helping governments allocate resources more effectively, restructure institutions where needed and build the capacity for lasting economic transformation and public trust
03
Strategic Investment Management
Creating innovative investment models for critical sectors
We advise on infrastructure, renewable energy and mining investments – from PPP development and project preparation to financial modelling and transaction support. We work across the full lifecycle, from structuring deals to negotiating contracts, to unlock financing, manage risk and secure long-term sustainability in the sectors most critical to growth and the energy transition.
Our Experts
Our strength is multidisciplinary – rooted in local presence, sector expertise and a global strategic view.
Our team brings bold, cross-disciplinary thinking to complex problems, addressing them from every angle.
Ansoumane Camara
CEO
Paris
Ansoumane Camara
CEO, based in Paris
Ansoumane Camara is the Founder & CEO of Gravitas Sovereign and Strategic Advisory. With extensive experience advising governments, multilateral institutions, and policymakers on economic strategy, public finance, and institutional reform, he has played a key role in economic policymaking, sovereign negotiations, fiscal policy development, and design and implementation of large-scale governmental and diplomatic initiatives.
He has worked across Europe, Africa, the Middle East, and North America, supporting heads of state, ministers, and senior officials in navigating complex economic and political challenges. A graduate of Sciences Po, LSE, Harvard Kennedy School, and Oxford, he brings a strategic and multidisciplinary approach to governance, bridging diplomacy, economic policy, and global public affairs.
Mark Miller
Director, Economic and Public Policy
London
Mark Miller
Director, Economic and Public Policy, based in London
Mark Miller is the Director of Economic and Public Policy at Gravitas. Mark brings more than two decades of experience working in the areas of international finance, economic strategy and public finance. Prior to joining Gravitas, Mark was Director of Strategy at ODI Global, a leading global affairs think tank, where he oversaw ODI’s research and advisory work in the field of development and public finance. Mark has spent much of his career building strategic partnerships with governments and major multilateral organisations across Europe, Africa, the Middle East and South East Asia.
Clovis Ouedraogo
Associate
Paris
Clovis Ouedraogo
Associate, based in Paris
Clovis OUEDRAOGO is an economist specializing in public policy evaluation and data-driven solutions. A graduate of Panthéon-Sorbonne University, he has focused on cryptocurrencies regulation and SME financing in Africa, addressing critical and evolving challenges. With experience in international institutions and consulting, he helps organizations make forward-thinking, impactful decisions. As an associate, he is responsible for closely assisting the CEO of Gravitas, supporting the implementation of strategic initiatives, acting as a mediator and contributing with strong technical expertise.
Aicha Gayaa
Director, Partnerships GCC
Dubai
Aicha Gayaa
Director, Partnerships GCC, based in Dubai
Aïcha Gaaya is a Strategy & Partnerships leader with over a decade of experience leading transformation programmes, public-private initiatives, and partnerships. She has worked with governments, multilateral institutions and private sector leaders to design and implement high-impact programmes powered by technology, data, and cross-sector collaboration.
She has worked across the Middle East, Africa, Europe, Asia and Oceania, supporting senior officials and executive in navigating in shaping and delivering transformation at scale and positive outcome, bridging consulting, governance, and business development.
She graduated from Sciences Po Paris and studied at the Bocconi University.
Daniel Abunu
Director, Partnerships Africa & International
Accra
Daniel Abunu
Director, Partnerships Africa & International, based in Accra
Dan leads the firm’s global strategic partnerships (excluding the Middle East). A seasoned executive with a background in enterprise architecture, digital transformation, and policy advocacy, Dan previously served as Regional Head of Partnerships (Africa) at the Tony Blair Institute and as Head of Strategy and Architecture for BBC Worldwide and the BBC. He has also held executive technology roles with multiple private sector companies and startups across mobile, media, and marketing.
He specialises in securing investments and negotiating complex agreements, having successfully managed commercial and developmental collaborations with leading organisations such as Microsoft, Standard Chartered Group, SpaceX, and African governments to drive infrastructure and AI governance projects. A serial entrepreneur, Dan has also founded and led several successful startups across the UK and Africa. He is a certified executive business coach, enterprise architect, and restaurateur, and holds a degree in Computer Science from King’s College London.
Olfa Meer
Senior Advisor, PR and Communications
Paris
Olfa Meer
Senior Advisor, PR and Communications, based in Paris
Olfa Meer is a strategic communications professional with over 10 years of experience co-leading high-impact public relations and media campaigns for governments, multilateral organizations, and international initiatives. She has co-developed and led national multi-channel campaigns, including Tunisia’s first climate change awareness initiative and a large-scale COVID-19 vaccination drive. She has also supported the training of government spokespersons on crisis communication and countering disinformation, working across both Africa and Europe. She has worked on major events such as the Tunisia Investment Forum and the Africa Investment Forum.
In her current role as Senior Manager, Public Relations & Communications, Olfa focuses on enhancing media visibility and refining strategic messaging. She specializes in strategic communication and media relations, ensuring the design and execution of impactful and coherent communication strategies.
Fatou Guissé
Senior Manager, Finance and Administration
Paris
Fatou Guissé
Senior Manager, Finance and Administration, based in Paris
Fatou Guissé is a finance professional with 10 years of experience specializing in Risk Management, Banking Regulation and Strategic Project Management. Based in Paris, she has worked with prestigious international organizations such as the OECD and Big Four firms like EY, advising major financial institutions including BNP Paribas, Société Générale, Citi Bank and Groupe BPCE.
A graduate from HEC Paris, Fatou has also developed expertise in Corporate finance, Financial process optimization, and Governance. She focuses on streamlining financial workflows, improving efficiency, and supporting teams to better meet organizational objectives. Her strategic approach to Financial Management and her passion for problem-solving enable her to create impactful, long-term solutions that simplify Financial processes and enhance decision-making.
As Senior Manager, Administration & Finance at Gravitas, Fatou leads the financial structuring and governance of key projects, working closely with the CEO and strategic partners to implement robust financial processes. She oversees financial planning, budgeting and risk management to ensure alignment with Gravitas’ objectives. Fatou also plays a central role in guiding investment strategies, identifying opportunities and ensuring resources are deployed effectively to maximize impact.
Fatou is deeply passionate about development and rethinking Global Financial Governance. With her experience in advising Governments and multilateral institutions, she thrives in dynamic environments where strategic financial management drives sustainable change. By optimizing financial strategies and guiding investments, Fatou contributes to the success of Gravitas’ projects and the achievement of its vision for fostering sustainable growth and development.
Justine Usabyimana
Manager, Deal Advisory
Doha
Justine Usabyimana
Manager, Deal Advisory, based in Doha
Justine Usabyimana is a Deal Advisory Manager with experience in strategy, consulting, and finance across Europe, Africa, and the Middle East. She began her career in mergers and acquisitions before moving into strategic consulting, where she advised clients on strategic and operational challenges across African and Middle East. She has since built expertise at the intersection of strategic advisory and transaction finance, with exposure to institutional and sovereign stakeholders across Africa and the Gulf region. She holds a Master in Finance from the Magistère Banque Finance Assurance at Université Paris Dauphine and a Master in Management from ESSEC.
Yann Massamba
Senior Manager, Digital
Montreal
Yann Massamba
Senior Manager, Digital, based in Montreal
Yann Massamba is an experienced BI Analyst and Developer with over 10 years of expertise in integrating business intelligence solutions across diverse sectors. Holding a master’s degree in IT Management and a Microsoft PL-300 certification, he excels in managing the complete BI project lifecycle — from requirements gathering to solution deployment and Power BI service administration. Yann combines strong analytical expertise with effective communication, priority management, and a meticulous attention to detail, earning a reputation for professionalism and teamwork.
As Project Manager, Digital at Gravitas, Yann leads the development of the official website of the Gulf-Africa Strategic Partnership Initiative (GASPI), which will serve as the central hub for all event-related information. His responsibilities include coordinating cross-functional teams, ensuring the timely delivery of digital assets, and crafting a seamless online experience for attendees, enhancing engagement and accessibility.
Patrick McGee
Senior Event Manager
Gabarone
Patrick McGee
Senior Event Manager, based in Gabarone
Patrick McGee is a development and investment professional with over 15 years of experience leading strategic initiatives across Africa. He has worked with multilateral institutions, governments and the private sector to drive economic growth and regional integration. At the African Development Bank and the World Economic Forum, Patrick organized major high-level events across the world, bringing together heads of state, ministers, investors and development partners to accelerate investment and policy action in Africa.
Patrick led the full design and delivery of flagship platforms, including the inaugural Africa Investment Forum hosted by the AfDB in Johannesburg, South Africa, welcoming over 4,500 participants and 12 African heads of state over 2 events. At the World Economic Forum, he managed the organization and programming of the World Economic Forum on Africa Summits as well as all Africa related events at Davos. Patrick specializes in high-level event execution, stakeholder engagement, and convenings that drive meaningful partnerships and investment. At Gravitas, Patrick leads the overall event aspecst of the Gulf-Africa Strategic Partnership Initiative (GASPI), an initiave of Gravitas Sovereign and Strategic Advisory, gathering over 20 heads of states from Africa and their counterparts in the Gulf.
50 Internationally recognised experts
We collaborate with a global network of 50+ experts, delivering bespoke solutions across Africa, the Middle East, and Europe.