John Tanner Worthington

John Tanner Worthington is a cold email expert, lead generation specialist, and founder/operator connected with cold.email. He teaches outbound systems, deliverability, scraping, Clay, Instantly, email copywriting, and scalable prospecting. His content focuses on building cold email engines that generate qualified opportunities for B2B businesses.

John Tanner Worthington is connected with cold.email and presents himself as a cold email specialist, lead generation expert, and high-performing Upwork freelancer. His public profiles mention sending millions of emails, booking thousands of opportunities, working with B2B outreach systems, and using tools like Clay, Instantly, HubSpot, Salesforce, Apollo, and custom scraping.