David Hartz

Christian, father, husband and Co-founder, Miles of Hope Fund @OSInstitute — searching for a cure for osteosarcoma, honoring God and Miles

[David Hartz @dhartzm]

Focused and Fun - How do we do that? We drive fast Go Karts with oncologists! 🏁🏁

3rd Annual RaceforHope — all going directly to osteosarcoma research with @OSInstitute.
Our 3rd research study funded in search of a cure. We fight for Miles - Join us https://t.co/G2XIrZ7Bki

[David Hartz @dhartzm]

Miles Hartz - Smart. Fearless. Genuine. He fought osteosarcoma for 5 years and passed in 2023. Searching for a cure to osteosarcoma by funding research - Miles' Way - focused and fun. https://t.co/G2XIrZ7Bki

[David Hartz @dhartzm]

2026 Race for Hope

Osteosarcoma is a rare pediatric cancer.
Private Research funding is critical.

Speed is important!

Join Race for Hope 2026 on April 24 and give hope to kids fighting this disease. 100% to research

@OSInstitute @elonmusk

https://t.co/ERFKXRyVN0

[The Osteosarcoma Institute @OSInstitute]

Become an OSI Ambassador and join a community focused on finding a cure for osteosarcoma. Use your unique skills and experiences to advocate for research. Start the journey: https://t.co/m5UprfgDAK

[The Osteosarcoma Institute @OSInstitute]

Isidro Cortés-Ciriano, PhD, performed genome sequencing on a tumor and reconstructed its evolution. This discovery will hopefully inform which solutions are most effective in fighting osteosarcoma. https://t.co/rqshXV3o99

[The Osteosarcoma Institute @OSInstitute]

100% of all OSI donations go directly toward osteosarcoma research, thanks to the QuadW Foundation which covers our administrative expenses. Help us find a research breakthrough in 2026. Donate today: https://t.co/I9nN5PyHkC

[Stefan Moore ★ @2StefanMoore]

THIS 👇🏽

[The Osteosarcoma Institute @OSInstitute]

At 17, Brandon Morgan faced osteosarcoma head-on and documented every step.
His film 30 Weeks shows the truth behind this disease and its treatment.

Now in remission, Brandon is using his voice to raise awareness.

Read more stories like Brandon’s: https://t.co/hKkV5A54ZB

[The Osteosarcoma Institute @OSInstitute]

A $500K project led by John Maris, MD (@ChildrensPhila) with Alejandro Sweet-Cordero, MD (@UCSF) is developing more precise CAR T-cell therapies that target proteins on osteosarcoma cells.

Read more: https://t.co/TI2Sh5JNxE

#ChildhoodCancerReasearch #CancerResearch

[David Hartz @dhartzm]

Come race with us to cure osteosarcoma. 2nd Annual Race for Hope on May 9, 2025, at Speedsportz Race Park in New Caney, TX! Inspired by Miles’ Hartz the event raises funds for osteosarcoma research,100% of proceeds making a difference.

More info https://t.co/YvOfmsdcc8

[The Osteosarcoma Institute @OSInstitute]

In honor of Milo, two college students and their fraternity raised $33,000 for #osteosarcoma research so others don’t have to go through the pain of losing their “brother.” https://t.co/LtEt7bk8x2

[David Hartz @dhartzm]

https://t.co/rAw335agRt

[MIB Agents Osteosarcoma Alliance @AgentsMIB]

We had the lovely opportunity to share our OutSmarting Osteosarcoma Grants with The Cancer Letter.

Read here: https://t.co/sSQUM9oSvk

#MIBAgents #MakeItBetter #osteosarcoma #grant #nonprofit #TheCancerLetter

[David Hartz @dhartzm]

@OSInstitute @SylvesterTurner Mayor Turner, your support for the OSI would help Houston kids like my son Miles have better options for treatment. How about joining the fight to cure Osteosarcoma?

[The Osteosarcoma Institute @OSInstitute]

Precision oncology is a form of #personalizedmedicine that is transforming cancer care. But for rare cancers like #osteosarcoma, there is still a lot of work to be done. @janeway_MD, senior physician at @Dana-Farber, explains: https://t.co/x4ZxxAFQZh

[David Hartz @dhartzm]

@OSInstitute I’m sorry for your heartache. Let’s work together to cure this awful disease.

[David Hartz @dhartzm]

Osteosarcoma is a rare childhood cancer that has impacted our son Miles’ life forever. Our family is focused on raising awareness and needed funding towards a cure. Thank you to our Founding Members, family and friends for joining us on this journey! https://t.co/w9oJFrqzkR

[The Osteosarcoma Institute @OSInstitute]

The OSI is delighted to announce that the Hartz Family Osteosarcoma Fund at the OSI, which has raised $130,000 to date, will support a research project at MD Anderson conducted by Dr. Richard Gorlick, a preeminent pediatric oncologist! Learn more at https://t.co/0i6wBhI7zJ.

[David Hartz @dhartzm]

@AveryHenry731 Stay strong and positive Avery. If you need support please look into the Osteosarcoma Institute @OSInstitute. They have resources and experts to help guide if needed. My son Miles has battled OS for 5 years. You can do this.

[David Hartz @dhartzm]

@OSInstitute Merry Christmas and Thank you

[The Osteosarcoma Institute @OSInstitute]

The newly established Hartz Family Osteosarcoma Fund at the OSI has raised over $130,000 towards the cure for osteosarcoma! Learn more about the OSI's funding partnership opportunities at https://t.co/BmLF2XgItv.