Marques Keith Brownlee, known professionally as MKBHD, is an American YouTuber, influencer, and independent web video producer. He is best known for his videos reviewing technology devices, having amassed over 20 million subscribers across his channels and billions of total video views since starting in January 2009 while in high school. In 2013, former Google senior vice president Vic Gundotra called Brownlee "the best technology reviewer on the planet right now.