AI-Powered health tech, built for self-funded employers

We find the patients that need help the most, power their path to effective care, and reduce the cost of getting there.

Employers: Book a demoPatients: Sign up now
We scan your claims data to identify members with undiagnosed rare and genetic diseases, then fast-track them to precision care.
Trusted by employers, brokers, consultants, insurers and families
The Beginning

Our mission is to end the diagnostic odyssey

My experience as a father who spent years searching for answers to my son’s rare disease drove me to build a company that ends the diagnostic odyssey for families like mine, using AI to bring precision care to health plans and through them to the patients who need it most.
‍

Why Patients & Families Love Sunstone

Faster Answers. Better Care.

If your employer offers Sunstone, you gain access to advanced diagnostics like whole genome testing and precision medicine solutions at no cost to you.

If your employer doesn't offer Sunstone yet, you can help change that.

What to do?

Contact your HR or benefits team and ask them to explore Sunstone Precision Health for genetic disease diagnosis and care coordination.

Sign up for Sunstone for free
Health Data & Claims
Every visit, test, and treatment analyzed
AI Detection & Insights
Finds patterns doctors might miss
Personalized Guidance
Connects you to testing and expert care faster

Why Our Customers Love Sunstone

Raw Claims Data
Millions of records across members and services
AI Detection & Insights
Uncovers undiagnosed, high-risk conditions automatically
Actionable Guidance
Targeted interventions reduce costs and improve outcomes

Transform Your Claims Data Into Savings

We identify high-cost members in your claims and connect them to precision care, delivering 60% average cost reduction per case.

Lower healthcare spend
Better employee outcomes
Predictable costs
Zero administrative burden
No PEPM or Upfront costs
Book a 15 Minute Demo With Us

The Value of Finding a Single Patient

Before Sunstone

Uncontrolled seizures, multiple ER visits per year, cycling through anti-epileptic drugs with no improvement.

Total Cost
$51,403 per year
Multiple ER visits + specialist cycling
No diagnosis or improvement
Ineffective AEDs used repeatedly

After Sunstone

Biotinidase deficiency detected. She does not need AEDs, but needs biotin supplementation.

Estimated reduction in Price
60%
Sunstone eliminated unnecessary AEDs in misdiagnosed biotinidase deficiency.

Try Sunstone Risk-Free. Only Pay for Results.

Zero setup fees, no monthly charges, and no per-employee-per-month fees. Pay a single flat fee per case, billed only after we deliver a confirmed diagnosis and comprehensive care plan.

1

We Identify High-Risk Members

Using only your existing claims data, our AI identifies members with undiagnosed or misdiagnosed genetic conditions.

2

You Approve Each Case

We present our findings. You decide which members to move forward with. Complete control, zero obligation.

3

We Coordinate Precision Care

We onboard the patient, their PCP, and care team to facilitate evidence-based testing and treatment.

4

We Deliver Results Flat Fee

No paywalls or long term commitment.

5

We Recapture Savings Through Employee Care

Our approach ensures employees receive the right care at the right time, reducing unnecessary costs and improving overall outcomes.

Team Members

Joshua Resnikoff

Cofounder + CEO

Sofia Giraldo

Operations Manager

Paterson Anaccius

Lead Full Stack Developer

Jonathan Calixte

Full Stack Developer

Cameron Pearson

Automation Engineer

Advisors

Dr. Calum MacRae

Vice Chair of Scientific Innovation, Dept of Medicine; MassGeneral Brigham

Rob Epstein

Epstein Health, Illumina, Medco

Lena Chaihorsky

Alva10, NABIP

Dr. Javier Romero

Chief of Neuroradiology, MassGeneral Brigham

Andrew Thompson

Proteus

JoAnn Krenitsky

Epstein Health, Medco

Martin Grasso

Former CEO Pearl Street Capital

Dr. George Savage

Proteus

Sunstone in The News

October 29, 2025

Why We Started The Sunstone Health Podcast

About ten years ago, I was working as a biomedical engineer at the Wyss Institute at Harvard Medical School. I had built technology, published research, and even won awards for some of that work. But then something happened at home that changed everything.‍ My son, Shiloh, was about 18 months old when he started getting sick. Every three or four weeks, out of nowhere, he’d spike these massive fevers, 105, sometimes 106 degrees, that would last for days. We’d rush him to the ER over and over again. Every parent knows how terrifying it is when your child is burning up in your arms, and the doctors can’t give you a real answer.

October 29, 2025

TMA Precision Health: Turning a Father’s Journey into a Revolution in Rare Disease Care

At TMA Precision Health, healthcare isn’t just a process, it’s a mission to bring clarity, speed, and compassion to families navigating complex medical conditions. This mission is deeply personal for Josh Resnikoff, CEO and co-founder of TMA, whose own experience as a father inspired the company’s founding. Josh’s son, Shiloh, faced a relentless cycle of unexplained fevers and uncertainty that no doctor could quickly resolve. What should have been routine care turned into a long, exhausting “diagnostic odyssey.” Frustrated by the slow, fragmented, and costly healthcare system, Josh realized there had to be a better way, one that could provide families like his with faster answers and actionable guidance.

October 29, 2025

Building a Better Future for Rare Disease Families: How TMA Precision Health Is Changing the System

For most families, navigating healthcare can be stressful. For those touched by a rare disease, it can feel impossible. Endless appointments, inconclusive tests, and unclear diagnoses, each step adding to the emotional and financial toll. For Joshua Resnikoff, CEO and founder of TMA Precision Health, this struggle was deeply personal. His son’s rare disease diagnosis set him on a mission not just to find answers, but to transform how families access care.

October 29, 2025

Why We Started The Sunstone Health Podcast

About ten years ago, I was working as a biomedical engineer at the Wyss Institute at Harvard Medical School. I had built technology, published research, and even won awards for some of that work. But then something happened at home that changed everything.‍ My son, Shiloh, was about 18 months old when he started getting sick. Every three or four weeks, out of nowhere, he’d spike these massive fevers, 105, sometimes 106 degrees, that would last for days. We’d rush him to the ER over and over again. Every parent knows how terrifying it is when your child is burning up in your arms, and the doctors can’t give you a real answer.

October 29, 2025

TMA Precision Health: Turning a Father’s Journey into a Revolution in Rare Disease Care

At TMA Precision Health, healthcare isn’t just a process, it’s a mission to bring clarity, speed, and compassion to families navigating complex medical conditions. This mission is deeply personal for Josh Resnikoff, CEO and co-founder of TMA, whose own experience as a father inspired the company’s founding. Josh’s son, Shiloh, faced a relentless cycle of unexplained fevers and uncertainty that no doctor could quickly resolve. What should have been routine care turned into a long, exhausting “diagnostic odyssey.” Frustrated by the slow, fragmented, and costly healthcare system, Josh realized there had to be a better way, one that could provide families like his with faster answers and actionable guidance.

October 29, 2025

Building a Better Future for Rare Disease Families: How TMA Precision Health Is Changing the System

For most families, navigating healthcare can be stressful. For those touched by a rare disease, it can feel impossible. Endless appointments, inconclusive tests, and unclear diagnoses, each step adding to the emotional and financial toll. For Joshua Resnikoff, CEO and founder of TMA Precision Health, this struggle was deeply personal. His son’s rare disease diagnosis set him on a mission not just to find answers, but to transform how families access care.

October 29, 2025

How Collaboration and Compassion Are Driving Real Change in Healthcare: TMA Precision Health at Epilepsy Awareness Day at Disneyland

It was an absolute privilege to sit down with Brad Levy, the driving force behind Sophie's Journey and Epilepsy Awareness Day at Disneyland (EADDL), for a truly inspiring conversation on the Sunstone Health Podcast recently. His story, born from a deeply personal experience with his daughter Sophie's epilepsy, is a testament to the power of dedication, community, and the relentless pursuit of better care. At TMA Precision Health, we are incredibly proud to be a little part of his remarkable mission, joining him this year at Epilepsy Awareness & Education EXPO presented by Sofie’s Journey.

View All News

Recent Podcasts

November 1, 2025

The Heart Behind TMA Precision Health

Josh opens up about his son, Shiloh, and the terrifying, unexplained fevers that plunged their family into months of fear and uncertainty. What began as a desperate search for answers for his own child quickly ignited a powerful mission: to create a healthcare system that's faster, smarter, and more accessible for every family facing a rare disease.

November 1, 2025

Innovation and Empathy: How TMA and Epilepsy Awareness Day Are Making a Difference

Join us for an incredibly inspiring conversation with Brad Levy, the visionary behind Sophie's Journey and Epilepsy Awareness Day (EAD). Brad shares with us the deeply personal story that ignited his mission: his daughter Sophie's battle with epilepsy. Discover how a family's determination to give back to the epilepsy community has blossomed into EAD, an annual event that has grown from a modest gathering to expecting 6,000 guests this year at Disneyland!

October 31, 2025

What Happens When Innovation Meets Empathy in Healthcare

Join us on this episode of the Sunstone Health Podcast, as host Justin Starbird sits down with Josh Resnikoff, CEO and founder of TMA Precision Health. Dive even deeper into the personal journey that fueled Josh’s journey, the creation of TMA, and its powerful mission to transform patient care.

October 29, 2025

Why We Started The Sunstone Health Podcast

About ten years ago, I was working as a biomedical engineer at the Wyss Institute at Harvard Medical School. I had built technology, published research, and even won awards for some of that work. But then something happened at home that changed everything.‍ My son, Shiloh, was about 18 months old when he started getting sick. Every three or four weeks, out of nowhere, he’d spike these massive fevers, 105, sometimes 106 degrees, that would last for days. We’d rush him to the ER over and over again. Every parent knows how terrifying it is when your child is burning up in your arms, and the doctors can’t give you a real answer.

October 29, 2025

TMA Precision Health: Turning a Father’s Journey into a Revolution in Rare Disease Care

At TMA Precision Health, healthcare isn’t just a process, it’s a mission to bring clarity, speed, and compassion to families navigating complex medical conditions. This mission is deeply personal for Josh Resnikoff, CEO and co-founder of TMA, whose own experience as a father inspired the company’s founding. Josh’s son, Shiloh, faced a relentless cycle of unexplained fevers and uncertainty that no doctor could quickly resolve. What should have been routine care turned into a long, exhausting “diagnostic odyssey.” Frustrated by the slow, fragmented, and costly healthcare system, Josh realized there had to be a better way, one that could provide families like his with faster answers and actionable guidance.

October 29, 2025

Building a Better Future for Rare Disease Families: How TMA Precision Health Is Changing the System

For most families, navigating healthcare can be stressful. For those touched by a rare disease, it can feel impossible. Endless appointments, inconclusive tests, and unclear diagnoses, each step adding to the emotional and financial toll. For Joshua Resnikoff, CEO and founder of TMA Precision Health, this struggle was deeply personal. His son’s rare disease diagnosis set him on a mission not just to find answers, but to transform how families access care.

October 29, 2025

How Collaboration and Compassion Are Driving Real Change in Healthcare: TMA Precision Health at Epilepsy Awareness Day at Disneyland

It was an absolute privilege to sit down with Brad Levy, the driving force behind Sophie's Journey and Epilepsy Awareness Day at Disneyland (EADDL), for a truly inspiring conversation on the Sunstone Health Podcast recently. His story, born from a deeply personal experience with his daughter Sophie's epilepsy, is a testament to the power of dedication, community, and the relentless pursuit of better care. At TMA Precision Health, we are incredibly proud to be a little part of his remarkable mission, joining him this year at Epilepsy Awareness & Education EXPO presented by Sofie’s Journey.

View All Podcasts

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