# Okeanos

Okeanos is a Private Equity based in Great Falls, United States.

## Overview

- **Organization type:** Private Equity
- **Headquarters:** Great Falls, United States
- **Region:** North America
- **Address:** McLean, VA, United States
- **Founded:** 2016
- **Assets under management:** Undisclosed
- **Website:** okeanos.vc
- **LinkedIn:** https://www.linkedin.com/company/okeanos1

## About

Formerly Riverbend Capital, Okeanos is a venture capital firm consisting of 100+ members nationwide that invests in early and growth stage technology and tech enabled companies. To date we have closed more than 100 investments across various stages, sectors and geographies.

## Sectors

- Enterprise Software
- Real Estate
- Private Equity
- Venture Capital

## People

- Mark Dumas — Founder
- Aaron Berkey — Managing Partner

## Questions

### Who runs investment decisions at Okeanos?

Investment decisions are guided by Managing Partner Aaron Berkey alongside founder Mark Dumas, with the broader membership of over 200 operators providing subject-matter expertise during diligence. The firm describes a process where members help source, analyze, and select opportunities.

### How does Okeanos source its deals?

The firm attributes its deal flow to a nine-year track record and longstanding personal relationships with top syndicate networks, venture capital and private equity funds, and real estate development partners. Its 200-plus members, active in their own business communities, form an additional sourcing layer.

### Does Okeanos operate more like an angel network or a traditional venture firm?

Okeanos blends both models. It is structured as a venture management firm that raised a dedicated fund, yet it relies on a membership of over 200 operators who co-invest and provide diligence. This creates a hybrid between a structured fund manager and a large-scale angel syndicate.

### What was Okeanos before the rebrand?

The firm operated as Riverbend Capital, a DC metro-area angel group founded by Mark Dumas that held monthly pitch dinners and scaled to over 100 members. Managing Partner Aaron Berkey later joined, broadened the investment thesis to include later-stage ventures, and the group restructured and rebranded as Okeanos Venture Management.

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Last updated: 2026-06-03T20:00:00.000Z

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