# Pioneer: portfolio, investments and team

> Pioneer is an accelerator based in United States. Portfolio, stages, co-investors and team.

Source: https://millionrounds.com/fund/pioneer (Millionrounds; every figure on the page links to its filing or article)

United States · [Investor](https://millionrounds.com/investors)

# Pioneer

No observed cheques in the sources we track. That is a limit of our coverage, not a finding about this organisation.

Email

Accelerator Unknown New fund $14M, Nov 2025

Pre-seed Seed Information Technology & Services

Follow Pioneer and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Fpioneer)

Cheques on record

**No rounds observed yet** A limit of the sources we read, not a finding about the firm.

Pitch Pioneer

## What they do

> Pioneer is a startup accelerator for ambitious outsiders. From their own website

- **Type:** Accelerator
- **Cheque size:** Not stated
- **Stages:** Pre-seed Seed
- **Sectors:** Information Technology & Services
- **Based in:** San Francisco, United States
- **Cold pitches:** Not accepted

## The record

No rounds observed yet. That is a limit of the sources we read, not a finding about the firm. If it has invested, a round will put it here. [Know a round it was in? Tell us](https://millionrounds.com/corrections?slug=pioneer).

## The team

Named by the firm itself, on a filing, its Form ADV or its company registration **24 named**

AM **A.J. Murphy** Officer of the General Partner of the GP. i Filing they signed

AD **Adam D. Stein-Sapir** Director, Executive Officer, Promoter i Filing they signed

AK **Andrew K Reilly** Executive Officer i Filing they signed

CS **Christopher Striano** Officer of the General Partner of the GP. i Filing they signed

DB **Daniel B. Plaxe** Director, Executive Officer, Promoter i Filing they signed

DB **David B Tom** Executive Officer i Filing they signed

DH **David Harpest** Officer of the General Partner of the GP. i Filing they signed

DO **Donald O. Dempster** Managing Member of DLK Investment Management, LLC, the General Partner i Filing they signed

EL **Eric Liaw** Officer of the General Partner of the GP. i Filing they signed

EB **Evan Boone** Executive Officer i Filing they signed

HP **Hoang Phan** Officer of the Issuer's Administrator i Filing they signed

JE **James Ellis** Executive Officer i Filing they signed

JH **Jared Heyman** PARTNER OF THE GENERAL PARTNER OF THE GENERAL PARTNER i Filing they signed

JG **Jason Gray** PRESIDENT OF THE GENERAL PARTNER OF THE GENERAL PARTNER i Filing they signed

JN **Jeremy Neilson** Managing Director of the General Partner's Manager i Filing they signed

JG **John G. Finley** Officer of the General Partner of the GP. i Filing they signed

JB **Joseph Baratta** Officer of the General Partner of the GP. i Filing they signed

MG **Mario Govic** Executive Officer i Filing they signed

MD **Michael Dilworth** Executive Officer i Filing they signed

NG **Natasha Gopaul** Executive Officer i Filing they signed

OL **Oana Lazar** Manager i Filing they signed

RT **Richard Thoms** Officer of the Issuer's Administrative Manager i Filing they signed

ST **Subbash Thammanna** Manager i Filing they signed

TM **Thomas McMillan Martin** Director i Filing they signed

We also hold **14** people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.

## What they claim to have backed

From their own portfolio page (on their website)

**5** of 6 we have independently watched raise

[E2B](https://millionrounds.com/company/e2b)[Railway](https://millionrounds.com/company/railway)[Roboflow](https://millionrounds.com/company/roboflow)[Slash](https://millionrounds.com/company/slash)[TextQL](https://millionrounds.com/company/textql) Daniel Gross

Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded.

New fund on file

**$14M**

raised in Nov 2025

From its SEC filing, not a journalist: a firm that has just raised has money to deploy.

**Pitching Pioneer?** Put them on your fundraising board with this record on the card, and follow them to hear when they write a new cheque.

Add to your CRM *→*

## Quick answers about Pioneer

### What does Pioneer invest in?

Pioneer says it invests in Information Technology & Services.

### Is Pioneer investing now?

No investments in the last 12 months.

### What kind of investor is Pioneer?

Pioneer is an accelerator based in San Francisco, United States.

### Has Pioneer raised a new fund?

Its latest fund filing with the SEC was in Nov 2025, reporting $14M raised.

### Where does this information on Pioneer come from?

From public registers and its own website, checked and rebuilt every night.

## Raising now?

Find the investors who back rounds like yours, and keep every conversation on one fundraising board.

Find similar investorsOpen your CRM

Built from the rounds we watched, its filings and its own website, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections?slug=pioneer) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=pioneer)
