We are a Philadelphia‑based advisory firm helping organizations create lasting value through strategic clarity, disciplined execution, and transformational change. We partner closely with leadership teams to solve complex challenges across growth platforms, transactions, and global operations.

Jamie Gebbia is the President and Founder of Chestnut Hill Strategy Group. He brings more than twenty‑five years of experience in global mergers and acquisitions, corporate strategy, business development and international finance, having worked in Fortune 50 to Fortune 1000 companies across a broad range of industries.

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Throughout his career, Jamie has led or served as a core team member on more than seventy‑five buy‑side and sell‑side transactions, with deal values ranging from $10 million to $4 billion with over $18 billion in total transactions closed. His work is grounded in rigorous analysis, strategic judgment, creativity and a practical understanding of how value is created and sustained across complex organizations.  

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​In addition to his transactional experience, Jamie has deep expertise in global business development and the formation of strategic partnerships, helping companies expand, compete, and grow in dynamic markets.  

 

A resident of Philadelphia, Jamie is actively involved in the community.  He serves on the Board of Trustees, Chairman of the Finance Committee and Treasurer of Eluna, a 501(c)(3) organization supporting children, teens, and families impacted by grief or addiction, and he is committed to supporting non-profit organizations that serve veterans and other organizations in the Philadelphia area.