Greater Sum Ventures

Greater Sum Ventures is a private equity firm that invests in lower-middle market tech-enabled business services companies.

Email Format

{first_name}@greatersumventures.com — 57.1%

sarah@greatersumventures.com

{first_name}.{last_name}@greatersumventures.com — 28.6%

sarah.smith@greatersumventures.com

{last_name}@greatersumventures.com — 14.3%

smith@greatersumventures.com

Key Employees

Contact details of 7 Greater Sum Ventures executives

Mike Stephens

Managing Director
  • Work email

    m**e@greatersumventures.com

Bill Nix

Managing Partner
  • Work email

    b**l@greatersumventures.com

Michael Casas

Managing Director & General Counsel
  • Work email

    c***s@greatersumventures.com

Jon Ellison

Managing Partner & Founder
  • Work email

    j*********n@greatersumventures.com

    Verified

Lisa Stinnett

Managing Partner & Founder
  • Work email

    l***********t@greatersumventures.com

    Verified

Ross Croley

CEO & Founder
  • Work email

    r**s@greatersumventures.com

    Verified

William Overstreet

Senior VP & Operating Partner

Other Employees

Contact details of 2 Greater Sum Ventures other employees

Michelle Hood

Certified Salesforce Architect - Seeking New Opportunities
  • Work email

    m******e@greatersumventures.com

Chad Scott

Investor

General Emails

General company emails, e.g. customer support lines

    jobs@greatersumventures.com

    Career Opportunities

    info@greatersumventures.com

    General Inquiries

    media@greatersumventures.com

    Media Relations

    jim@greatersumventures.com

    Unclassified inbox

    amy@greatersumventures.com

    Unclassified inbox

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Company Info

Last updated: 12/07/2025

888-534-4891

Knoxville, Tennessee, United States

Greater Sum Ventures General Information

Specialization: Finance & Banking, Venture Capital
Legal Name: Greater Sum Ventures LLC
Employees: 11-50
Founded Date: 2015
Number of Exits: 1
Company Type: For Profit
Diversity Spotlight: Women Founded
Operating Status: Active
Investor Type: Family Investment Office, Private Equity Firm
Phone Number: 888-534-4891
Last Investment Activity: Jun 10, 2024
Investments Activity: Jun 10, 2024 Jun 10, 2024 Jun 10, 2024

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