Fundraising Fox
John Diaz
InvestorGeneral Partner at Stone Mountain Ventures
Dallas, Texas, United States
Writes $100K – $500K checks
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About
John Diaz is the founder and General Partner of Stone Mountain Ventures, a seed fund backing early-stage companies in healthcare, AI, consumer, and technology. He previously served as an Associate at Bain Capital Private Equity, an Advisor to Grant Park Ventures, and a Business Development Associate at Wellington Management, with earlier internships at Bloomberg and Goldman Sachs. He has founded two companies and operated several others, holds a BBA in Finance and Risk Management from St. Mary's University, and sits on the university's Alumni Board of Directors.
Contact· published on John's own website
Invests in
BiotechConsumerHealthtechMedical Devices
Deals · 49
Paralign HealthSolo GP
via Stone Mountain Ventures · filed May 2026
Paralign HealthSolo GP
via Stone Mountain Ventures · filed May 2026
ClostrabioSolo GP
via Stone Mountain Ventures · filed Sep 2022
Leda HealthSolo GP
via Stone Mountain Ventures · filed Mar 2022
GrouportSolo GP
via Stone Mountain Ventures · filed Aug 2021
Altira HealthSolo GP
Backpack HealthcareSolo GP
BemeSolo GP
BetterYouSolo GP
Blooming HealthSolo GP
Brond HealthSolo GP
Care HeroSolo GP
DentiteSolo GP
FrameSolo GP
Grow TherapySolo GP
HealthtrackaSolo GP
Kadia HealthSolo GP
Legion HealthSolo GP
ManateeSolo GP
MDisruptSolo GP
MindhoneySolo GP
Mood HealthSolo GP
Nexus MdSolo GP
Nimblemind.aiSolo GP
OneHealthNgSolo GP
OotifySolo GP
RxpostSolo GP
ShmoodyappSolo GP
SmirkSolo GP
Valorize BioscienceSolo GP
VillieSolo GP
WaffleinsuranceSolo GP
YourPathSolo GP
YunaSolo GP
BrondSolo GP
Care Delivery & NavigationSolo GP
Consumer Health & WellnessSolo GP
DiallSolo GP
Fund II CompanySolo GP
Health Infrastructure & EnablementSolo GP
Healthcare AI & DataSolo GP
HykaSolo GP
Insurance & BenefitsSolo GP
LeewaySolo GP
LeewayhqSolo GP
Marketplaces & EnablementSolo GP
Mental & Behavioral HealthSolo GP
SUD & Behavioral HealthSolo GP
WaffleSolo GP
Attribution from SEC filings, press coverage, and firm rosters. Some rows are inferred. Not right? Tell us.
Other disclosed investments
Investor
Angel investment in Grow Therapy and Cyble. VC fund checks into Legion HealthBezel
Per curated public sources.
Frequently asked questions
- Who is John Diaz?
- John Diaz is the founder and General Partner of Stone Mountain Ventures, a seed fund backing early-stage companies in healthcare, AI, consumer, and technology. He previously served as an Associate at Bain Capital Private Equity, an Advisor to Grant Park Ventures, and a Business Development Associate at Wellington Management, with earlier internships at Bloomberg and Goldman Sachs. He has founded two companies and operated several others, holds a BBA in Finance and Risk Management from St. Mary's University, and sits on the university's Alumni Board of Directors.
- Where does John Diaz work?
- John Diaz is General Partner at Stone Mountain Ventures.
- What does John Diaz invest in?
- John Diaz invests in Biotech, Consumer, Healthtech, Medical Devices.
- What check size does John Diaz write?
- John Diaz typically writes checks of $100K – $500K.
- What companies has John Diaz invested in?
- Investments tracked here include Blooming Health, Legion Health, MDisrupt, Angel investment in Grow Therapy and Cyble. VC fund checks into Legion Health, Backpack Healthcare, Bezel, Blooming Health, MDisrupt, Mood Health, YourPath.
- Does John Diaz lead rounds?
- Yes — John Diaz has led 3 tracked investments.
About this profile. Compiled from public sources — Stone Mountain Ventures's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights