# Greater Sum Ventures

Greater Sum Ventures is a Single Family Office based in Knoxville, United States.

## Overview

- **Organization type:** Single Family Office
- **Headquarters:** Knoxville, United States
- **Region:** North America
- **Address:** Knoxville, TN, United States
- **Founded:** 2016
- **Assets under management:** $5.4B (Altss estimate)
- **Website:** greatersumventures.com
- **LinkedIn:** https://www.linkedin.com/company/greater-sum-ventures/

## About

Ross Croley established Greater Sum Ventures in 2016. The firm manages capital generated by his prior exits from Ministry Brands and Community Brands, both vertical SaaS businesses. Croley serves as founder and CEO. Greater Sum Ventures targets buyouts and growth investments in software and tech-enabled services. It deploys direct co-investments and SPVs, often alongside Insight Partners, PSG, Blackstone, TPG, KKR, and Reverence Capital Partners. Confirmed positions include Ministry Brands, Inhabit IQ, Government Brands, and Therapy Brands. The firm maintains exposure in North America and Oceania and covers stages from expansion through recapitalization. The office lists four managing partners and holds real-estate assets in Knoxville plus a Gulfstream G550. It participates in the Knoxville Chamber and Knoxville Technology Council. No public operational events from the last 24 months appear in available records. Greater Sum Ventures maintains a hybrid model that combines majority ownership of operating companies with recurring co-investment alongside large private-equity sponsors. This structure allows direct control while accessing external capital and expertise on selected platforms.

## Sectors

- FinTech
- PropTech
- GovTech
- Digital Health
- InsurTech
- Healthcare Services
- LegalTech
- HRTech

## People

- Ross Croley — Founder and CEO
- Bill Nix — Managing Partner and Founder
- Lisa Stinnett — Managing Partner
- Jon Ellison — Managing Partner and Founder

## Questions

### Who runs investment decisions at Greater Sum Ventures?

Ross Croley serves as founder and CEO. Bill Nix, Lisa Stinnett, and Jon Ellison act as managing partners and participate in deal decisions.

### How does Greater Sum Ventures source proprietary deal flow?

The firm draws on Croley's prior operating relationships in vertical SaaS and works through a network of co-investors including Insight Partners and PSG.

### Does Greater Sum Ventures participate in fund commitments or only direct deals?

Greater Sum Ventures executes direct co-investments and SPVs rather than committing to third-party funds.

### What investment stages does Greater Sum Ventures typically target?

The firm focuses on buyout, growth, expansion, and recapitalization opportunities in lower-middle-market companies.

### Does Greater Sum Ventures maintain philanthropic structures, and how are they separated?

No separate philanthropic vehicles are disclosed in current records.

### What is Greater Sum Ventures' known posture on co-investments alongside external GPs?

The firm regularly co-invests with sponsors such as Blackstone, TPG, KKR, and Reverence Capital Partners on platform transactions.

## Related profiles

- [Lifetime Family Office](https://altss.com/profile/lifetime-family-office)
- [Truepoint Wealth Counsel](https://altss.com/profile/truepoint-wealth-counsel-llc)

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Last updated: 2026-08-10T15:54:10.904Z

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