He posted his first ever Tweet to his brantharry account on November 25, 2011.
He models with The Lions, a boutique modeling agency in New York City.
He grew up in Greenwich, Connecticut with his brother Peter and his sister Lily Margaret. He has a half-brother, Dylan, from his mother's previous marriage. He also has 5 half-siblings from his father's previous marriage.
Both he and Victoria's Secret model Sara Sampaio are members of The Lions NY modeling agency.