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.

Mike Spadafore

Investor

Operating Partner at Welsh, Carson, Anderson & Stowe

Michigan

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

Find your path to Mike

123 people in our graph share verified history with Mike — schools, employers, funds. One of them is your warm intro.

Tyler Bates-CollierunlockedMike: together at Sandbox Industries (2021–2022)

×3Mike: together at Abacus Insights

Mike: together at Octave Bioscience

Mike: together at Workit Health

Experience

ValtruisManaging Directorcurrent2024 — presentChicago, IL
Welsh, Carson, Anderson & StoweOperating Partnercurrent2024 — present
Arbital HealthBoard Membercurrent2025 — present
Autonomize AIBoard Membercurrent2025 — present
Atropos HealthBoard Membercurrent2024 — present
Sandbox IndustriesManaging Director2012 — 2023Chicago, IL
Blue Venture FundManaging Director2012 — 2023
Nest HealthBoard Member2023
Fort HealthBoard Member2023
First Dollar (acquired by Inspira Financial)Board Member2022 — 2023
Smart Data SolutionsBoard Member2021 — 2023
Abacus InsightsBoard Member2020 — 2023Boston, Massachusetts, United States
emidsBoard Observer2020 — 2023Nashville, Tennessee, United States
Workit HealthBoard Member2019 — 2023
WiderCircleBoard Member2018 — 2023San Francisco Bay Area
ProveBoard Member2016 — 2023Greater New York City Area
ID Experts (acquired by ZFOX)Board Member2016 — 2022Portland, Oregon Area
Wellframe (acquired by Healthedge)Board Member2019 — 2021Boston, Massachusetts
Octave BioscienceBoard Observer2018 — 2021San Francisco Bay Area
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

Also attended University of Michigan - Stephen M. Ross School of Business448

Alexandra FarmerPrincipal at Intel Capital, North America Tige SavageCo-founder at Revolution Wendy XiaoPartner at Northzone Rob LawrenceSenior Finance Associate at Greycroft Hyun KooPartner at March Capital Partners Richard GuVice President at March Capital Partners

+ 442 more

Shared employers

Also worked at Sandbox Industries39

Tyler Bates-CollierOperations at 8VC Kelly CarlquistVice President at Blue Venture Funds Liam McDonaldVice President at Blue Venture Funds Megan JenkinsSenior Director of Finance at F-Prime Capital Partners Jeff CarrollInvestor at Sandbox Industries Matt DownsInvestor at Sandbox Industries

+ 33 more