Janine Warner is a journalist, author and a pioneer in digital journalism. Over the last decade, she has worked with thousands of journalists and digital media entrepreneurs and traveled extensively to speak at events and universities.

In 2015, Janine co-founded SembraMedia with Mijal Iastrebner from Argentina. The nonprofit organization is dedicated to empowering media leaders so that they can publish valuable information with independence, journalistic integrity, and a positive impact on the communities they serve. SembraMedia provides journalists and other social entrepreneurs business and technical training, market intelligence, networking opportunities, consulting, and financial support. 

Janine was a Knight Fellow for the International Center of Journalists, which supported her work at SembraMedia from October 2016 to April 2022.

Janine has been a professor at the University of Southern California and the University of Miami, and a visiting professor at more than 30 other universities in the U.S., Europe and Latin America. She has also taught four online education programs (MOOCs) for the Knight Center for Journalism in the Americas at the University of Texas.

She is the author of 25 books about the Internet, including Web Sites For Dummies and Social Media Design For Dummies.

She studied journalism and Spanish at the University of Massachusetts and worked for several years at newspapers in Northern California as a journalist and bilingual editor before dedicating herself to the Internet in 1995. She launched her first media project, a bilingual newspaper in Northern California, in early the 90s.

In 1998, she was director of Internet operations for The Miami Herald, where she led the team that produced the Herald.com, Elherald.com and Miami.com sites. Later, she served as director of Latin American Operations for CNET Networks.