Joseph Cook, Jr.

About Joseph Cook, Jr.

Form D filings for PinkDx in 2023 list Joseph Cook, Jr. as director.

Form D filings also name Joseph Cook, Jr. as a director at Mindera Health and Circular Genomics.

Joseph Cook, Jr. reports to the SEC as a director or major shareholder of 1 public company: Castle Biosciences (CSTL).

Joseph Cook, Jr. first appears on SEC filings in 2019.

Experience

This experience comes from Joseph Cook, Jr.'s profile and from SEC filings. For roles taken from filings, the years are when the filings name Joseph Cook, Jr. in the role, so the role may have started earlier or lasted longer.

P

PinkDx, Inc. Current

Member Board of Directors

2023 – Present · Indianapolis, IN

CG

Circular Genomics Inc. Current

Member Board Of Directors

2021 – Present · Albuquerque, NM

AD

Advanced Animal Diagnostics Current

Member Board Of Directors

2021 – Present

MiNDERA Corp Current

Member Board Of Directors

2018 – Present · Vista, CA

Makes a skin test to help providers choose psoriasis treatments for patients.

SS

Southeast Life Sciences Current

Member Board Of Directors

2016 – Present

LF

Limestone Fund Current

Principal

2009 – Present

MP

Mountain Group Partners Current

Managing Director

2003 – Present

CS

Cerebrotech Medical Systems

Member Board Of Directors

2014 – 2022

CI

Castle Biosciences Inc.

Director and 10% owner

Member Board Of Directors (2018 – 2021)

2018 – 2021 · Public company (CSTL)

RB

Robert W. Baird

Director, Investment Banking

2000 – 2003

JC

J.C. Bradford & Co.

Vice President

1998 – 2000

Key Colleagues at Startups

The people Joseph Cook, Jr. works with at each company, as listed on that company's latest Form D.

Sources

1. SECMiNDERA Corp Form D, filed Jul 28, 2026
2. SECCircular Genomics Inc. Form D, filed Jan 23, 2024
3. SECPinkDx, Inc. Form D, filed Oct 20, 2023
4. SECForms 3, 4 and 5 filed by Joseph Cook, Jr. (SEC filer 1783205)