# Jon Armstrong, Co-Founder and CSO

> Jon Armstrong, Co-Founder and CSO. 1 investment on record. The rounds they were named in and the filings that name them, each with its source.

Source: https://millionrounds.com/person/jon-armstrong (Millionrounds; every figure on the page links to its filing or article)

Seattle, US · Partner

# Jon Armstrong

Co-Founder and CSO at [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund)

Latest rounds

- **SubtleData** Seed · $500k Nov 2012

Profile summary

- **Rounds named:** 1 last Nov 2012
- **Filings:** 1 with regulators

What this record rests on

- ✓ **Named in rounds** 1 round name them
- ✓ **On filings** 1 filing with a regulator
- ✓ **Linked to a firm** At Pioneer Fund
- **Claimed** Not claimed yet

Titles come from filings their firm signed.

[Correct or remove](https://millionrounds.com/corrections?person=jon-armstrong)[Is this you? Claim it](https://millionrounds.com/claim?person=jon-armstrong)

## The firm

[**Pioneer Fund** VC firm · US **2** cheques in 12 months **4** all time **0** led deploying](https://millionrounds.com/fund/pioneer-fund)

## Rounds they were named in

- **Rounds:** 1
- **Led:** 0
- **Disclosed:** $500k
- **Active:** 2012

2012

- [SubtleData](https://millionrounds.com/company/subtledata) *Seed* **$500k** *US* Nov 2012 Joined · +5 investors · historical

By stage

- Seed **1**

Alongside

- Bryan Menell *1*
- [Emerge *1*](https://millionrounds.com/fund/e-merge)
- [Insikt Ventures *1*](https://millionrounds.com/fund/insikt)
- [Joshua Baer *1*](https://millionrounds.com/fund/joshua-baer)
- Mellie Price *1*

Rounds where a report named this person rather than a firm, matched on name: read it as a strong hint, not proof, since people share names.

## Where they are named on record

Filings

- SEC Form D · Company raising **COFACTOR GENOMICS, INC.** Director on 2 filings · since 2017

Each row is a document a firm filed with a regulator: somebody signed it, and it carries a date.

## Also at Pioneer Fund

- [**Argyris Zymnis** Chief Technology Officer *3 rounds*](https://millionrounds.com/person/argyris-zymnis)
- [**Idris Mokhtarzada** VP of AI *2 rounds*](https://millionrounds.com/person/idris-mokhtarzada)
- [**Andrew D'Souza** Founder / Mad Scientist *1 round*](https://millionrounds.com/person/andrew-d-souza)
- [**Jeffrey Rosen** Venture Partner at Pioneer Fund *1 round*](https://millionrounds.com/person/jeffrey-rosen)
- [**Laks Srini** Building New Products *1 round*](https://millionrounds.com/person/laks-srini)
- [**Liron Shapira** Cofounder & CEO *1 round*](https://millionrounds.com/person/liron-shapira)
- [**Adam Gothelf** Venture Partner *0 rounds*](https://millionrounds.com/person/adam-gothelf)
- [**Adam Kocoloski** Distinguished Engineer *0 rounds*](https://millionrounds.com/person/adam-kocoloski)

## Find people like Jon

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