Who founded Onestream?

Onestream was founded by MARK ANGLE, Tom Shea, Bob Powers, Craig Colby.

Who are Onestream's investors?

Onestream's investors include Alkeon Innovation, General Atlantic, Tidemark.

How much funding has Onestream raised?

Onestream has disclosed $200M raised across 1 round.

Where is Onestream headquartered?

Onestream is headquartered in Birmingham, US.

Onestream

Birmingham, US · 1,686 employees on LinkedIn · 3 known investors

Find your way into Onestream

125 people in our graph share verified history with the Onestream team — schools, employers, funds. One of them is your warm intro.

Michael Jenningsunlockedknows Tom Shea · together at United Technologies (overlapped)

knows the team · via Oakland University

×3knows the team · via BDO USA, LLP

×3knows the team · via Western Michigan University

×2knows the team · via Hyperion Solutions

×2knows the team · via United Technologies

OneStream provides a governed agentic AI layer for corporate finance teams, with built-in SensibleAI Agents that run on its financial close, planning, consolidation, and reporting engines. It extends the same auditability, permissions, and financial context to external AI tools like Copilot, Claude, ChatGPT, and Gemini via MCP connectivity.

AI & Machine Learning Enterprise Software Fintech SaaS

Founders & leadership

MARK ANGLEinCo-founder · Head of Public Sector2025–2026

Tom Shea inCo-Founder & CEOTom Shea founded UpStream Software, where he architected UpStream WebLink and FDM for financial data quality management, and later founded OneStream Software and designed its XF platform for corporate performance management serving CFO offices.

Bob PowersinCo-Founder & Chief Technology Officer

Craig Colby inCo-Founder & Chief Success OfficerCraig Colby co-founded OneStream Software and previously co-founded UpStream Software, which was acquired by Hyperion in 2006. He currently serves as Chief Success Officer at OneStream, which provides an agentic AI layer for corporate finance teams.

JEFF DEGRIECKinExecutive

BILL KOEFOEDinSenior Advisor2026–2026

Scott LeshinskiinPresident

John KinzerinInterim Chief Financial Officer

Holly KoczotChief Legal Officer

Danielle CraneinChief People Officer

Ken HohensteininChief Revenue Officer

Tim MinahaninChief Strategy & Marketing Officer

Investors · 3

Alkeon InnovationNew York

General AtlanticNew York · $10M – $1B

TidemarkMenlo Park

Reported raises · per SEC filings

Form D private placements

$200M disclosed across 1 round · 2021

▶$200MraisedApr 2021 · 6 investors · Other Technology

Rule 506(b)

Officers, directors & promoters on the filing

CRAIG COLBYExecutive Officer, Director
MARK ANGLEExecutive Officer
ROBERT POWERSExecutive Officer, Director
DAVID S. WELSHDirector
DAVID PETRAEUSDirector
BRADLEY BROWNDirector
JOHN KINZERDirector
THOMAS SHEAExecutive Officer, Director
JEFF DEGRIECKExecutive Officer
JONATHAN MARINERDirector
KARA WILSONDirector
BILL KOEFOEDExecutive Officer
DAVE KASABIANExecutive Officer
MICHAEL BURKLANDDirector

Offering amount: $200M
Amount sold: $200M
First sale: Apr 2021
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.

Frequently asked questions

What does Onestream do?: OneStream provides a governed agentic AI layer for corporate finance teams, with built-in SensibleAI Agents that run on its financial close, planning, consolidation, and reporting engines. It extends the same auditability, permissions, and financial context to external AI tools like Copilot, Claude, ChatGPT, and Gemini via MCP connectivity.
Who founded Onestream?: Onestream was founded by MARK ANGLE, Tom Shea, Bob Powers, Craig Colby.
Who are Onestream's investors?: Onestream's investors include Alkeon Innovation, General Atlantic, Tidemark.
How much funding has Onestream raised?: Onestream has disclosed $200M raised across 1 round.
Where is Onestream headquartered?: Onestream is headquartered in Birmingham, US.