Skip to content
Single Family OfficePuts its own capital into companiesLAST VERIFIED Aug 2026 · 1 SOURCES

Greater Sum Ventures

Single family office in Knoxville, United States, founded 2016; estimated AUM $5.4B; focus on fintech, real estate and software.

USEFUL FOR Co-investors

Family & background

FAMILY
Croley
HEADQUARTERS
Knoxville, United States
FOUNDED
2016
AUM
~$5.4B (2026, press estimate)

Investment approach

ROUTES
Companies (own capital)

Overview

This single family office is based in Knoxville, United States; it was founded in 2016. Its assets under management are estimated at $5.4B (2026); listed sector interests include fintech, real estate, software and healthtech. It invests directly in companies; 4 people are named on its team.

People

  • Ross Croley
    Founder and CEO · source
  • Bill Nix
    Managing Partner and Founder · source
  • Lisa Stinnett
    Managing Partner · source
  • Jon Ellison
    Managing Partner and Founder · source

Frequently asked questions

Greater Sum Ventures is a single family office based in Knoxville, the United States, founded in 2016.

Greater Sum Ventures invests on behalf of the Croley family.

Greater Sum Ventures invests its own capital into companies.

Greater Sum Ventures invests in Fintech, Real Estate & PropTech, Software & SaaS and HealthTech.

Key people at Greater Sum Ventures include Ross Croley (Founder and CEO), Bill Nix (Managing Partner and Founder), Lisa Stinnett (Managing Partner) and Jon Ellison (Managing Partner and Founder).