/Companies

Gibson Oncology

Miami, US · Delaware LLC

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Gibson Oncology develops innovative therapies for glioblastoma and other brain tumors. The company's leadership team brings extensive expertise in drug discovery and development, with a track record of creating over a billion dollars in new companies and approved cancer treatments.

Founders & leadership

CSClifford Solomon
Clifford SolomonCo-Founder and Chief Medical OfficerClifford Solomon is a neurosurgeon with over 35 years of clinical experience and co-founder and chief medical officer of Gibson Oncology, which develops therapies for glioblastoma and brain tumors. He holds patents for biomedical devices developed under Solomon Brothers Technologies and has led neurosurgery programs at major academic medical centers.
RRRandall Riggs
Randall RiggsPresident & CEO
ERElizabeth Rogers
Elizabeth RogersExecutive
TS
Theodore SolomonChief Financial OfficerTheodore Solomon is Executive Officer and Director at Gibson Oncology, which develops therapies for glioblastoma and other brain tumors. He previously served as President at Solomon Brothers LLC and brings experience in financial management and healthcare strategy.

Board

MB
Mark BaganzBoard director
MC
Mark CushmanBoard director
MR
Mark RogersBoard director

Reported raises · per SEC filings

Form D private placements

$4M disclosed across 2 rounds · 2020–2025

▶$250KraisedJul 2025 · 1 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Mark CushmanDirector
  • Clifford SolomonExecutive Officer, Director
  • Elizabeth RogersExecutive Officer, Director
  • Mark RogersDirector
  • Theodore SolomonExecutive Officer, Director
  • Randall RiggsExecutive Officer, Director
  • Mark BaganzDirector
Offering amount
$1.5M
Amount sold
$250K
First sale
Jul 2025
Incorporated
Limited Liability Company, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$3.8MraisedOct 2024 · 8 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Clifford SolomonExecutive Officer, Director
  • Randall RiggsExecutive Officer, Director
  • Elizabeth RogersExecutive Officer, Director
  • Mark BaganzDirector
  • Theodore SolomonExecutive Officer, Director
  • Mark CushmanDirector
  • Mark RogersDirector
Offering amount
$4.7M
Amount sold
$3.8M
First sale
Apr 2020
Incorporated
Limited Liability Company, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

In the news

Frequently asked questions

What does Gibson Oncology do?
Gibson Oncology develops innovative therapies for glioblastoma and other brain tumors. The company's leadership team brings extensive expertise in drug discovery and development, with a track record of creating over a billion dollars in new companies and approved cancer treatments.
How much funding has Gibson Oncology raised?
Gibson Oncology has disclosed $4M raised across 2 rounds.
Where is Gibson Oncology headquartered?
Gibson Oncology is headquartered in Miami, US.