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Stephen Rossetter
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Stephen Rossetter

Partner

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At a glance

Full Name
Stephen T. Rossetter
Title
Partner
Firm
Centripetal Capital Partners (Centricap)
Firm Type
Venture capital / private equity firm (single-purpose investment vehicles); early-stage and growth-equity investing
Investment Stage
Early-stage through growth equity (companies with a market-tested MVP, first revenue, or verifiable traction)
Check Size
~$1–3M per round, with total investment up to ~$7–10M over a company's lifetime
Target Company Profile
U.S.-based companies with a complete, market-tested MVP, first revenue, or demonstrable traction; firms open to active governance and hands-on operational support
Sector Focus
Healthcare / health tech, nutrition & wellness, consumer products, and SaaS
Geographic Focus
United States only
Location
Stamford / Fairfield County, Connecticut

Background

Stephen T. Rossetter is a finance and accounting veteran with more than 40 years of experience in the financial, accounting, and investment business. A former Certified Public Accountant, he spent roughly seven years at Arthur Young & Company (now Ernst & Young), rising to Audit Manager, before joining Marketing Corporation of America in 1986. He later served as Chief Financial Officer of MarketCorp Venture Associates, LP (MCV) and became a Partner at MCV in 1990, where he sat on the boards of several portfolio companies.

Today Rossetter is a Partner at Centripetal Capital Partners (Centricap), a Connecticut-based investment firm founded around 2004 by Senior Managing Partner Steven Chrust. In this role he provides financial analysis, hands-on financial oversight, and tax review for the firm and its portfolio companies, and he holds direct responsibility for the accounting and reporting of the single-purpose investment companies Centricap establishes for each deal. He is also a Partner and CFO of L&L Capital Partners, LLC, a related advisory vehicle through which he provides business, financial, and accounting advisory services.

Rossetter's role extends into the boardroom and finance function of Centricap's portfolio companies. He is listed as a Director of APJeT, Inc. (an atmospheric-plasma nanotechnology company chaired by Chrust) and is associated with the finance/governance of other Centricap holdings such as Cytogel Pharma. His profile is that of an operationally involved investor-partner who pairs capital with rigorous financial stewardship rather than a purely thesis-driven deal sourcer.

He holds a Bachelor's degree from Hartwick College and an MBA (with honors) from Pace University.

Investment Thesis & Focus

  • Invests through Centripetal Capital Partners in early-stage and growth-equity U.S. companies that have "a complete and market-tested MVP, first revenue, or verifiable traction."
  • Typical check size of ~$1–3M per round, scaling to roughly $7–10M total over the life of an investment via follow-on rounds.
  • Sector concentration in healthcare and health tech, nutrition/wellness, consumer products, and SaaS.
  • Emphasis on active governance and hands-on operational support — Centricap creates single-purpose investment companies for its deals, and Rossetter personally oversees their accounting, reporting, and tax matters.
  • U.S.-only geographic mandate, which the firm frames as enabling close, localized support of founders.

Notable Investments

  • APJeT, Inc. — Atmospheric-plasma / nanotechnology company (textile and surface treatment); Rossetter serves as a Director.
  • Cytogel Pharma — Clinical-stage biopharmaceutical company developing novel analgesics; a Centricap portfolio holding with Rossetter involved on the finance/board side.
  • Ascellus (formerly IMCS) — Behavioral health provider focused on injured-worker mental health.
  • Earth Animal — Natural pet health and wellness products company.
  • Choice Pet — Natural pet retail and wellness business.
  • ValidateMe — AI-driven identity validation company.

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