Organization · Angel Group

Okeanos

Okeanos is a Washington, D.C. metro area-based venture capital platform that operates as an angel syndicate, investing in early and growth stage technology and tech-enabled companies. It was rebranded from Riverbend Capital in 2023 and has over 200 members nationwide.

Angel GroupFunderCommunity

Overview

What Okeanos does

What Okeanos is

Okeanos is a Washington, D.C. metro area-based venture capital platform that operates as an angel syndicate, investing in early and growth stage technology and tech-enabled companies. It was rebranded from Riverbend Capital in 2023 and has over 200 members nationwide.

How it participates in the startup ecosystem

The current public profile supports funder and community capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.

Operational profile

Organization status and context

Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.

Operational status
Active
Organization type
Angel Group
Founded
Founded in 2016
Approximate age
About 10 years
Structured capabilities
Funder · Community
Last reviewed
April 9, 2026

Official channels

Find Okeanos elsewhere

Open the official website or a supported primary organization account.

Capability profile

Okeanos as a funder

Investment thesis

Okeanos aims to provide access to private investment opportunities across various sectors, empowering businesses to create a lasting impact.

Focus narrative

Okeanos invests in a range of sectors including artificial intelligence, machine learning, cybersecurity, software as a service (SaaS), medical technology, private equity, and real estate. The organization operates as a multi-stage firm, engaging in investments from early-stage ventures to later-stage high-growth opportunities.

Value beyond capital

Okeanos provides its portfolio companies with access to a diverse network of over 200 members, each bringing unique expertise and resources. This collaborative approach allows for tailored support and strategic guidance, enhancing the growth potential of the companies in which they invest.

Focus and fit

Stages
Friends and Family · Angel · Accelerator · Pre-seed · Seed · Seed+ · Series A · Series B · Series C · Growth Equity
Regions
Global · North America

Availability

Currently deploying
Yes

Portfolio and track record

Recorded portfolio count
150

Portfolio context

Okeanos has invested in over 150 companies across various sectors, including technology and tech-enabled businesses. Specific portfolio companies were not detailed.

Capability profile

Okeanos as a community

Community overview

Okeanos, originally founded as Riverbend Capital in 2016, is based in the Washington, D.C. metro area. It began as a group of solo-angel investors who collaborated to invest in local startups. The organization restructured and rebranded as Okeanos Venture Management in 2023, expanding its membership and investment reach nationally. Okeanos aims to provide access to private investment opportunities across various sectors, empowering businesses to create a lasting impact.

Community focus

Okeanos invests in a range of sectors including artificial intelligence, machine learning, cybersecurity, software as a service (SaaS), medical technology, private equity, and real estate. The organization operates as a multi-stage firm, engaging in investments from early-stage ventures to later-stage high-growth opportunities. Okeanos emphasizes thoughtful curation and rigorous diligence in its investment processes, leveraging the expertise of its diverse membership.

Member value

Members of Okeanos benefit from access to a wide array of private investment opportunities, the ability to participate in multiple investments each month, and the flexibility to choose which deals to engage with individually. The organization fosters a collaborative environment for angel investors, enhancing their investment capabilities across various sectors.

Membership

Recorded members
200
Pricing models
free

Format and cadence

Modality
hybrid
Schedule
rolling-admissions
Commitment
light

Availability

Membership state
Accepting

Audience and fit

Audience
Founders · Investors
Benefits
network-access
Program types
community
Selection criteria
open
Stages
Pre-seed · Seed · Seed+ · Series A · Series B

Community activity

Notable members

Mark Dumas - Co-Founder & Managing Partner; Aaron Berkey - Co-Founder & Managing Partner; Jason Parikh - Co-Founder & Managing Partner, CFO; Kim Ziesemer - Partner, Diligence & Communications.

Common questions

What to know about Okeanos

Upseed classifies Okeanos under the Angel Group organization type. Its current public profile includes funder and community capabilities.

Next step

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Source and update disclosure

Know what this page is based on

Source basis

Public organization and program material, official websites, and structured Upseed records.

Last reviewed

April 9, 2026

Known limits

Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.

Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.