John Ghiorso — approved biographies
Updated September 18, 2026
Official profile: https://www.vantafive.com/about/john-ghiorso

50-word biography

John Ghiorso founded VantaFive in 2024 and serves as its CEO. He founded Amazon agency Orca Pacific in 2008 and sold it to S4 Capital in 2020. Today he builds specialist marketing services businesses and writes about agency growth, operations, profitability, hiring, and AI for agency founders and experienced operators.

150-word biography

John Ghiorso is the founder and CEO of VantaFive, a San Diego agency venture studio that launches and scales specialist marketing services companies. He founded Orca Pacific in 2008 to help brands grow on Amazon and sold the agency to S4 Capital in 2020. John subsequently held commerce leadership and advisory roles at Media.Monks.

He founded VantaFive in 2024, applying his hands-on agency operating experience to a portfolio of agencies supported by shared systems, capital, and experienced operators. The current portfolio includes Influent, Sohva, RECHO, Vektor10, and Not Your Dad’s Media, spanning LinkedIn, TikTok Shop, Reddit, agentic commerce and generative engine optimization, and unscripted performance creative.

John writes and speaks about agency positioning, growth, profitability, hiring, client retention, and the effects of AI on service businesses. His VantaFive Journal and weekly Agency Notes newsletter share practical operating lessons for agency founders building companies that can operate beyond their personal involvement.

Long biography

John Ghiorso is an agency entrepreneur and the founder and CEO of VantaFive, an agency venture studio based in San Diego. His work focuses on turning specialist expertise into businesses with repeatable growth, strong delivery, and less dependence on the founder’s daily involvement.

John founded Orca Pacific in 2008 to help brands navigate and grow on Amazon. The business developed into a specialist Amazon and e-commerce agency. In 2020, he sold Orca Pacific to S4 Capital. John went on to serve in commerce leadership and advisory roles at Media.Monks, gaining experience in both an independent agency and a larger marketing services organization.

In 2024, he founded VantaFive. Its model pairs experienced operators with emerging demand for specialized marketing services, supported by shared systems, capital, and operational resources.

As of September 2026, VantaFive’s portfolio includes Influent, a LinkedIn agency; Sohva, a TikTok Shop agency; RECHO, a Reddit agency; Vektor10, an agentic commerce and generative engine optimization agency; and Not Your Dad’s Media, an unscripted creative agency. The portfolio continues to evolve as VantaFive develops and supports additional specialist agencies.

John’s writing explores agency economics, positioning, client acquisition, hiring, retention, and how AI changes the work and structure of service businesses. His published frameworks include the Garage Agency Era manifesto, the VantaFive People Evaluation System, and the Green Flag Process for client retention. He shares practical operating lessons through the VantaFive Journal, LinkedIn, and his weekly Agency Notes newsletter.