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Mike Spadafore

Investor

Operating Partner at Welsh, Carson, Anderson & Stowe

Michigan

Writes $1M – $20M checks · typically $10.5M

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Ask Brian Overstreet to introduce you to Mike

You →Brian · together at Arbital Health (2025–2026) →Mike

Ask Jamie Chen to introduce you to Mike

You →Jamie · together at Arbital Health →Mike

Ask Sam Okafor to introduce you to Mike

You →Sam · 2 people · together at Workit Health →Mike

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Experience

  1. ValtruisManaging Directorcurrent2024 — presentChicago, IL
  2. Welsh, Carson, Anderson & StoweOperating Partnercurrent2024 — present
  3. Arbital HealthBoard Membercurrent2025 — present
  4. Autonomize AIBoard Membercurrent2025 — present
  5. Atropos HealthBoard Membercurrent2024 — present
  6. Sandbox IndustriesManaging Director2012 — 2023Chicago, IL
  7. Blue Venture FundManaging Director2012 — 2023
  8. Nest HealthBoard Member2023
  9. Fort HealthBoard Member2023
  10. First Dollar (acquired by Inspira Financial)Board Member2022 — 2023
  11. Smart Data SolutionsBoard Member2021 — 2023
  12. Abacus InsightsBoard Member2020 — 2023Boston, Massachusetts, United States
  13. emidsBoard Observer2020 — 2023Nashville, Tennessee, United States
  14. Workit HealthBoard Member2019 — 2023
  15. WiderCircleBoard Member2018 — 2023San Francisco Bay Area
  16. ProveBoard Member2016 — 2023Greater New York City Area
  17. ID Experts (acquired by ZFOX)Board Member2016 — 2022Portland, Oregon Area
  18. Wellframe (acquired by Healthedge)Board Member2019 — 2021Boston, Massachusetts
  19. Octave BioscienceBoard Observer2018 — 2021San Francisco Bay Area
  20. Physera (acquired by Omada Health)Board Member2018 — 2020San Francisco Bay Area

Skills & more

Management Consulting23Business Strategy33Start-ups29Venture Capital46Portfolio Management25Innovation2

From Mike's professional profile.

Colleagues at Welsh, Carson, Anderson & Stowe

David Caluori
General Partner at Welsh, Carson, Anderson & Stowe
Mia Jung
Talent Partner, Welsh, Carson, Anderson & Stowe at The 98

Network2

Anna Haghgooie
Managing Director at BlueCross BlueShield Venture Partners
Carl Showalter
Fund Advisor at TSVC

Investors connected to Mike in public investor directories — a warm-intro map.

Frequently asked questions

Who is Mike Spadafore?
Managing Director at Sandbox Industries
Where does Mike Spadafore work?
Mike Spadafore is Operating Partner at Welsh, Carson, Anderson & Stowe.
What check size does Mike Spadafore write?
Mike Spadafore typically writes checks of $1M – $20M.
Where did Mike Spadafore go to school?
Mike Spadafore studied at University of Michigan - Stephen M. Ross School of Business (BBA, Corporate Strategy).

Same school

Shared employers

Also worked at Smart Data Solutions1

Dan PhillipsInvestor at Sandbox Industries