12th Street Advisors provides outsourced CFO services to companies at all stages of development.

We help clients improve their financial and operating efficiency, define and implement their commercial strategy, prepare for transactions, and solve a host of other business challenges.

Our clients include:

  • Scientific, technical and creative founders needing a thought partner around commercial, financial and operational management

  • Founders looking to refine their business model in order to grow revenue and improve profitability

  • Venture and PE-backed companies preparing for an institutional fundraising process

  • Companies looking to define a growth plan and train the next generation of sales and business development leaders

We assemble dream teams to meet our clients’ needs, tapping into an extensive network to engage partners with the necessary expertise in industry verticals, law, technology, communications, operations, and back-office services.

Jackie Weiss is the founder of 12th Street Advisors. She began her career as an equity research analyst at Merrill Lynch before spending time in sales, marketing and business development roles at companies including Michelin, Moleskine and Google. At Beal Private Capital she worked with private fund managers and companies on capital formation. She has also served as a CFO and business advisor to private companies in the fields of professional services, retail and e-commerce, media, and healthcare.

Based in New York City, Jackie has a B.A. in History from Duke University, an M.A. from the School of Oriental and African Studies at the University of London, and an M.B.A. from Columbia Business School.

She is a General Securities Representative (Series 7 and 63).

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