Where complementary strengths shape enduring value

As Managing Director at JBG Capital, Jean-Guillaume focuses on designing strategies that deliver sustainable, long-term results for clients while overseeing all aspects of the firm’s operations. He is responsible for all investment decisions, ensuring the approach blends innovation, discipline, and rigorous analysis.

Embodying a modern, forward-thinking leadership style that is collaborative, entrepreneurial, and decisive, he values teamwork and open dialogue, empowering colleagues to contribute ideas and fostering inclusive decision-making.

With a strong vision and adaptability, he drives innovation and actively seeks opportunities that create long-term value, translating strategic objectives into clear, actionable plans. Building and nurturing trusted client relationships is central to his work, with a focus on transparency, alignment of interests, and long-term value creation.

Leveraging technology and data-driven insights, he navigates complex global markets and identifies differentiated opportunities across diverse economic environments. This includes leading strategic growth initiatives, notably the creation of new Investment Solutions tailored for clients.

As Co-Founder and President of the Board at JBG Capital, Jean-Benoît provides strategic oversight and governance ensuring that the firm remains aligned with its long-term mission and client first values. Since its founding in 2014, he has been central to the development of JBG Capital into a trusted Wealth Management firm built on integrity, value creation and perseverance.

His responsibilities center on board level leadership rather than operational management. He oversees and ensures robust governance and regulatory alignment, supports the executive team on key priorities related to business development, risk and compliance. As a senior representative, he guides the strategic direction and actively represents the firm to clients, upholding JBG Capital’s reputation and core principles.

As Co-Founder and President of the Board at JBG Capital, Jean-Benoît provides strategic oversight and governance ensuring that the firm remains aligned with its long-term mission and client first values. Since its founding in 2014, he has been central to the development of JBG Capital into a trusted Wealth Management firm built on integrity, value creation and perseverance.

His responsibilities center on board level leadership rather than operational management. He oversees and ensures robust governance and regulatory alignment, supports the executive team on key priorities related to business development, risk and compliance. As a senior representative, he guides the strategic direction and actively represents the firm to clients, upholding JBG Capital’s reputation and core principles.

As a board member of JBG Capital, Natacha brings her expertise in the areas of corporate governance, risk management and compliance, thereby ensuring that the firm complies with its regulatory obligations and conducts business in accordance with its obligations towards its clients.

She has extensive experience in the financial sector, having started her career with the Swiss anti-money laundering control authority, before heading compliance departments at banks, and eventually joining the executive committee of the Swiss subsidiary of a foreign banking group. Now working as a governance and compliance consultant, she has joined several boards of directors and audit committees of banks, whilst also developing a significant involvement in associations and education in her areas of expertise.

As Co-Founder and President of the Board at JBG Capital, Jean-Benoît provides strategic oversight and governance ensuring that the firm remains aligned with its long-term mission and client first values. Since its founding in 2014, he has been central to the development of JBG Capital into a trusted Wealth Management firm built on integrity, value creation and perseverance.

His responsibilities center on board level leadership rather than operational management. He oversees and ensures robust governance and regulatory alignment, supports the executive team on key priorities related to business development, risk and compliance. As a senior representative, he guides the strategic direction and actively represents the firm to clients, upholding JBG Capital’s reputation and core principles.

Marylène is Co-Founder of JBG Capital and has played a central role in shaping the firm since its creation in 2014. In particular, she was member of the board from constitution to 2020. She contributes to the strategic direction, governance, and long-term development of the organization. Her responsibilities span oversight of key corporate matters, fostering strong internal foundations, and ensuring that the firm’s client-first philosophy remains embedded in day-to-day operations. With a longstanding commitment to integrity, collaboration, Marylène supports JBG Capital’s mission by bringing structure, continuity, and a deep understanding of the firm’s development and culture.

Her role has been instrumental in strengthening the company’s organizational backbone and guiding its evolution as a trusted Wealth Management partner. As the Founder and Managing Director of FBF Consultants SA, a former human capital selection firm specialized in banking and finance, she brings extensive expertise and in-depth knowledge in human resources, corporate strategy, and business management.