Vorbeck Materials
Jessup, US · Delaware corporation
Founders & leadership
JS

John S. LettowinCo-founder · CEO
IA
Ilhan AksayCo-founder
CL

Carl LettowinVP and General Counsel
GT
George TunisExecutive
Board
BD
Benjamin DuPontBoard director
ET
Emily TunisBoard director
AB
Ari BlumBoard director
KS
Kristen SilverbergBoard director
IK
Ira KuhnBoard director
WK
William KilbergBoard director
ST
Sue T. LettowBoard director
Reported raises · per SEC filings
Form D private placements$482.6K disclosed across 1 of 4 rounds · 2014–2026
▶$7.5MofferedJun 2026 · Other TechnologyRule 506(b)
▶$7.5MofferedJun 2026 · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- John S. LettowExecutive Officer, Director
- Emily TunisDirector
- Ari BlumDirector
- Carl LettowExecutive Officer
- Ilhan AksayDirector
- Offering amount
- $7.5M
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$15MofferedApr 2024 · Other TechnologyRule 506(b)
▶$15MofferedApr 2024 · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Ilhan AksayExecutive Officer, Director
- George TunisExecutive Officer, Director
- Kristen SilverbergDirector
- Carl LettowExecutive Officer, Director
- John S. LettowExecutive Officer, Director
- Ira KuhnDirector
- Emily TunisDirector
- William KilbergExecutive Officer, Director
- Benjamin DuPontDirector
- Offering amount
- $15M
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$24.7MofferedSep 2022 · Other TechnologyRule 506(b)
▶$24.7MofferedSep 2022 · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- William KilbergExecutive Officer, Director
- Ira KuhnDirector
- Kristen SilverbergDirector
- Emily TunisDirector
- Benjamin DuPontDirector
- George TunisExecutive Officer, Director
- Ilhan AksayExecutive Officer, Director
- Carl LettowExecutive Officer, Director
- John S. LettowExecutive Officer, Director
- Offering amount
- $24.7M
- First sale
- Sep 2022
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$482.6KraisedJul 2014 · 11 investors · Other TechnologyRule 506(b)
▶$482.6KraisedJul 2014 · 11 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Ira F. KuhnDirector
- Ilhan AksayDirector
- Kristen L. SilverbergDirector
- John S. LettowExecutive Officer, Director
- BEnjamin DupontDirector
- Sue T. LettowDirector
- George TunisDirector
- Offering amount
- $482.6K
- Amount sold
- $482.6K
- First sale
- Jul 2014
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Non-dilutive funding · 8 SBIR/STTR awards
Federal grants — no equity taken| Agency | Phase | Year | Amount |
|---|---|---|---|
| U.S. ArmyArmy | Phase I | 2020 | $111.2K |
| U.S. ArmyArmy | Phase I | 2013 | $99.5K |
| U.S. ArmyArmy | Phase II | 2012 | $730K |
| National Science Foundation | Phase II | 2012 | $497.2K |
| National Science Foundation | Phase I | 2012 | $149.9K |
| National Science Foundation | Phase I | 2011 | $149.9K |
| U.S. ArmyArmy | Phase I | 2011 | $99.1K |
| U.S. ArmyArmy | Phase I | 2010 | $70K |
Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.
In the news
Frequently asked questions
- Who founded Vorbeck Materials?
- Vorbeck Materials was founded by John S. Lettow, Ilhan Aksay.
- How much funding has Vorbeck Materials raised?
- Vorbeck Materials has disclosed $482.6K raised across 1 of its 4 known rounds.
- Where is Vorbeck Materials headquartered?
- Vorbeck Materials is headquartered in Jessup, US.