ShowSources.com

Journalists Publications Topics Tools Blog Pricing

⌘K

Sign in Get started →

ShowSources.com

Connecting great stories with real expertise.

The platform connecting journalists with the sources behind every story — privacy-first directory, pitch composer, unified inbox, coverage tracker.

Product

Journalists
Publications
Topics
Tools
Pricing

For journalists

Claim profile
Add yourself
Data request
Your rights

Company

About
Blog
Contact
Security

Legal

Privacy
Terms
Cookies
Cookie settings
GDPR

© Show Sources Ltd. 2026 — GDPR & CCPA compliantShow Sources Ltd, 25 Old Street, London EC1V 9HL

Mark Johnston — Editor in Chief - Genetics at Genetics · Show Sources

Journalists›Mark Johnston

MJ

Mark Johnston

Editor in Chief - Genetics

Denver

Sign in to pitch →

About

yeast geneticist, GENETICS Editor-in-Chief, weekend duffer

Publication

Topics covered

Contact info is private

Sign in to see verified email, social profiles, recent articles, and pitch preferences.

Get started free →Sign in

Details

Type: Online / Other
Level: Senior
Region: Other regions
Language: English

Are you Mark Johnston? Claim profile · Request removal

Other journalists covering U.S.

Nicolle MonicoVerified

Senior Web Content Editor, American Addiction Centers and Freelance Writer - Freelance · Freelance

· Other regions

Jacob OsbornVerified

Writer - Freelance · Freelance

· Other regions

We respect GDPR, CCPA, and other privacy regulations. Privacy policy →

JG

Jonathan GreigVerified

Journalist, News Writer - Blavity, Freelance · Blavity, Freelance

· United States

Wynne DavisVerified

Reporter and Producer, Digital - NPR · NPR

· United States

Blogger, Global Development: Views from the Center - Freelance · Freelance

· United States

Samantha Radocchia