Amber Dawn MacArthur (born 27 June 1976) is a Canadian television and netcasting personality, bestselling author of two books, and keynote speaker.
MacArthur (aka Amber Mac) is the former co-host of BNN's App Central and Bloomberg Brink, G4TechTV’s Call for Help, and TWiT’s The Social Hour (successor to net@night/Inside the Net).
She was the most followed Canadian television personality on Twitter in 2008.
In 2018, she was named DMZ’s 30 inspirational women making a difference in tech.She is now the co-host of the 2018 AI podcast series, The AI Effect where she interviews notable guests such as Prime Minister Trudeau and Mayor John Tory.
Amber is President of a digital media company called AmberMac Media, Inc.
MacArthur used to produce and co-host her own video podcast, commandN, and has also hosted on Torrent and Gadgets and Gizmos for G4techTV Canada.
MacArthur worked for over a year for Citytv's CityNews and CP24, and she had returned to the now CTV-owned CP24 as New Media Specialist and was the host of Webnation.
She previously hosted and produced a show for Xbox called "Girls Go Geek" alongside her brother Jeff MacArthur and Christopher Dick that features women in technology.