What stage does Halstatt invest at?

Halstatt invests at the Seed, Series A, Series B, Series C stages.

What sectors does Halstatt focus on?

Halstatt focuses on Consumer, Enterprise Software, PropTech, SaaS, Sector Agnostic.

Where is Halstatt located?

Halstatt is headquartered in Naples, US.

Halstatt

Family office

Naples · Seed–Series C · 25 people tracked

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Investment thesis

Halstatt is a female-led alternative investment firm descended from the Collier family, an influential force in the development of Florida. Founded by Juliet 'Judy' Collier Sproul, it began with real estate projects including the Grey Oaks Country Club and the LaPlaya Beach and Golf Resort. Today the firm operates as a diversified alternative investment platform spanning real estate, private equity, sponsored buyouts, venture capital, and specialty lending, deploying capital on behalf of the Sproul family and third-party institutional investors. It also maintains philanthropic activity through the Halstatt Charitable Foundation.

Invests inConsumer Enterprise Software PropTech SaaSSector AgnosticNaples United States

Source: firm website, verified Aug 16, 2026.

Stage

Seed–Series C

Naples, Florida, US

Instruments

Equity · Debt

Founded

1992

Team · 25 people

from the firm's website

Judy Sproul· Founder

Juliet "Judy" Collier Sproul· Founder

Founder of Halstatt and granddaughter of Barron Gift Collier Sr.; began the company with real estate developments including the Grey Oaks Country Club and the redevelopment of LaPlaya Beach and Golf Resort.

Stan Vukmer· Founder & CEO, Haversine Funding

Kristina Heinze· Chief Investment Officer

k•••@halstatt.comreveal

Ray Desrocher· Managing Partner, Trent Capital Partners

Matt Littell· Principal, Halstatt Legacy Partners

Peggy Lamb· Principal, Halstatt Real Estate Partners

Richard Molloy· Principal, Florida Gulfshore Capital

Robert Sullivan· Senior Managing Principal, Halstatt Real Estate Partners

Sara Boyd· Principal

Steve Iannaccone· Managing Principal, Halstatt Real Estate Partners

Catherine Littell· Vice President of Operations, Halstatt Legacy Partners

Darren Martian· Chief Financial Officer and Chief Compliance Officer

Donna F. Zarcone· Board Member

Gen Merritt-Parikh· President, Haversine Funding

Ida Soderlind· Executive Assistant

Jeffrey Whaley· Chief Financial Officer, Haversine Funding

Jenna Rambaud· Director of Marketing and Public Relations

j•••@halstatt.comreveal

Jennifer Sullivan· Philanthropy Lead

Judy's youngest daughter, responsible for the family and firm's philanthropic commitments through the Halstatt Charitable Foundation.

John DesPrez III· Board Member

Julie Sproul· Family Board Lead

Judy's middle daughter who runs the family board, overseeing governance, continuity, and communications across generations.

Katie Sproul· Head of the Firm

Judy's eldest daughter, now leads Halstatt as it has grown into a diversified alternative investment platform.

Nadiia Davis· Accounting Manager

Patrick George· External Trustee

Robert Thomas· Board Member

Frequently asked questions

What stage does Halstatt invest at?: Halstatt invests at the Seed, Series A, Series B, Series C stages.
What sectors does Halstatt focus on?: Halstatt focuses on Consumer, Enterprise Software, PropTech, SaaS, Sector Agnostic.
Where is Halstatt located?: Halstatt is headquartered in Naples, US.

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