/Investor DB

Richard King Mellon Foundation — Full Portfolio

10 tracked investments · listed companies and verified rows first

Plexision, Inc.plexision.comin𝕏✓ verified

Plexision develops cellular biomarker-based blood tests for personalized diagnostics and drug development in infectious diseases, transplant rejection, and immuno-oncology.

AI & Machine LearningBiotechDigital HealthMedical DevicesPittsburgh, US

Rakesh Sindhi(Co-founder, Chief Scientific Officer and Chief Executive Officer)

Co-investorsInnovation Works

CytoAgentscytoagents.cominJul 2020

CytoAgents is a clinical-stage biopharmaceutical company developing therapies for the life-threatening symptoms of Cytokine Release Syndrome (CRS), an immune overreaction causing systemic inflammation.

BiotechHealthtechPittsburgh, US

Teresa Whalen, RPh(Chief Executive Officer)inCatherine Mott(Director)Teresa Whalen(Chief Executive Officer)Anthony McCarley(Director)John Friedman(Director)Stanley Marks(Director)

Co-investorsBoston Harbor AngelsDelaware Crossing Investor Group

Earfloearflocare.comin𝕏Nov 2025

Earflo develops a non-invasive home treatment device for negative middle ear pressure in children, addressing a common pediatric condition that affects millions of children annually.

Digital HealthHardwareHealthtechMedical DevicesPerth, AU

Dr. Intan Oldakowski(Co-founder)Dr. Matthew Oldakowski(Co-founder)Dr. Peter Santa Maria(Co-founder, Chief Medical Officer)Dr. Stephen Kargotich(Co-founder)

Co-investorsMelt VenturesPerth Angels

InnSight Technology, Inc.innsightech.comJun 2026

Innsightech develops technology for disease diagnosis and management that translates laboratory innovations into clinical applications.

Digital HealthHealthtechMedical DevicesPittsburgh, US

Leanne Labriola(Executive Officer, Director, Promoter)Dipanjan Pan(Executive Officer)

BoardGregory Jackson(Director)

Co-investorsLife Sciences Greenhouse InvestmentsSOSV

LadderUp Housingladderuphousing.cominMay 2026

LadderUp Housing runs a coached rent-to-own pathway that helps working-class renter families build credit, reduce debt, and become mortgage-ready over about two years before purchasing a home.

FintechImpact & Social GoodPropTechToledo, US

Tom Voutsos(Founder & CEO)inGreg Voutsos(Head of Operations)inJD Vougiouklakis(Head of Client Success and Technology)inDoug Bowen(Head of Finance)in

MoneyStackmoneystack.cominOct 2024

MoneyStack provides financial counseling services to mental health and behavioral health professionals for their clients experiencing acute financial distress.

FintechHealthtechMental HealthAllison Park, US

Alex De Marco(Founder)in

Co-investorsGaingelsSamvid VenturesSidecut VenturesTechstarsThe Fintech Fund

Nuvairanuvaira.comin𝕏Feb 2019 · $79M

Nuvaira develops the dNerva Lung Denervation System, a catheter-based device used in a one-time, outpatient bronchoscopic procedure that disrupts pulmonary nerve input to treat chronic obstructive pulmonary disease (COPD).

HardwareHealthtechMedical DevicesMinneapolis, US

Martin Mayse(Founder)inSteve Dimmer(Founder)inDennis Wahr(President & CEO)inLisa Flaherty(Chief Strategy Officer)inSteve Sathre(Vice President of Finance)inSteve Paidosh(Vice President of Operations)

Co-investorsWindham Capital PartnersEndeavour VisionLightstone VenturesMorgenthalerQiming Venture PartnersSplit Rock Partners+2 more

Surface Design Solutionssurface.designinSep 2025

Surface Design Solutions offers Surface Designer, a physics-informed AI software platform paired with expert analysis services that help manufacturers optimize the surfaces of parts and tooling.

Advanced ManufacturingAI & Machine LearningDeep TechPittsburgh, US

Luke Thimons(Secretary and Director)inTevis Jacobs(President, Treasurer and Director)inJohannes H?rmann(Secretary and Director of Issuer)Lars Pastewka(Director)

Toyz Electronicstoyzelectronics.comin𝕏Feb 2022

Toyz Electronics operates Dah-Varsity AI, an AI-enhanced learning platform and video game that upskills diverse and disadvantaged Gen Z students toward college or careers in STEAM, hardware, software, manufacturing, and entrepreneurship.

AI & Machine LearningEdTechGaming

Damola Idowu(Co-founder)inWole Idowu(Co-founder)

Co-investorsJumpstart Ventures

Wisdomhuasenwei.comFeb 2026 · $1.3M

Huasen Wei designs and supplies early childhood education furniture and classroom products for kindergartens and preschools, including themed room collections and integrated space planning services.

ConsumerEdTechGuangzhou, CN

Co-investorsNavis Capital PartnersPermanent Capital Ventures

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.