Who invested in Susteon

One round we have observed, with the 3 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Climate Tech

Funding summaryUpdated 26 Oct 2026

$200Kraised across 1 round since 2023, from 1 source

Latest round: Grant, $200KDec 2023
Investors: 3

See who backed them

The rounds

Dec 2023
Grant$200K
Source recorded

Founders and team

From Susteon's own website: 1 founder, 13 on the team.

Dr. Raghubir GuptaCo-Founder / CEO

Rich McGivneyChief Financial Officer
Sudarshan GuptaChief Operating Officer
Arnold Chris ToppoProcess Design Engineer
Brian AlexanderGeneral Counsel
Cynthia McPhersonController
Dr. Aravind Rayer RabindranResearch Chemical Engineer II
Dr. Gordon BrezickiResearch Chemical Engineer
Dr. J.P. ShenSenior Principal Scientist
Dr. Monica AbdallahResearch Chemical Engineer
Dr. Ryan ZelinskyResearch Lab Engineer
Gary HoweManager, Research Operations
Jonathan PetersSenior Process Engineer
Quanya SmithOffice Manager

Everyone who backed them

National Science FoundationGovernment1round

US Department of EnergyGovernment1round

One North Carolina Small Business ProgramInvestment firm1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about Susteon

Who invested in Susteon?

Susteon's investors include National Science Foundation, US Department of Energy and One North Carolina Small Business Program.

How much has Susteon raised?

Susteon has raised $200K across 1 round since 2023.

When did Susteon last raise?

Susteon's most recent round was a Grant of $200K in Dec 2023.

What was Susteon's biggest round?

Its most recent round, $200K in Dec 2023, is also its largest on record.

Who backed Susteon first?

Susteon's first round on record, in Dec 2023, was backed by National Science Foundation, US Department of Energy and One North Carolina Small Business Program.