About Us

Dave Cullen is an Irish Technology Journalist and student of film and television, having studied Media Techniques and Journalism from Griffith College Dublin.

He is best known for his popular YouTube channel, Lack78 where he provides regular tech news updates, product reviews, industry analysis and personal rants. His channel has been in operation since 2007 and has achieved over 10 million views. 

He is the author of the self-help business book, Living Off YouTube: A Complete Guide to Turning your YouTube Channel into a Full-Time Job.

Dave’s visual media experience is considerable and diverse, he has worked in corporate video production, wedding videography, film and television. He is the director, producer, editor and narrator of the 2004 Space Science documentary: From Red to Green: The Future of Mars, which he collaborated on with NASA and aired on RTE Television in Ireland.