
Jonathan H Grinnon, CFA
I’m a Fractional CFO and finance/operations executive with 25+ years of experience helping small and mid-sized businesses scale with confidence. I specialize in turning complexity into clarity—building financial models that guide multimillion-dollar decisions, streamlining operations for efficiency and profitability, and aligning strategy with execution across every corner of the business.
Whether leading funding rounds, optimizing back-office systems, or mentoring leadership teams, I bring a hands-on, 360° approach that balances precision with pragmatism. My clients value my ability to plug in quickly, ask the right questions, and deliver solutions that drive sustainable growth—not just short-term wins.
I’m a CFA charterholder with a BBA in Finance from Villanova University, a former collegiate athlete, and a lifelong team builder—on the course, on the court, and in the office. I thrive in environments where trust, transparency, and performance matter.
If you're a founder, operator, or investor looking for a strategic financial partner who can elevate your business from the inside out, let’s connect. I’m always open to conversations about fractional engagements, advisory roles, or collaborative problem-solving.