"President-Elect, husband to @DrBiden, proud father & grandfather. Ready to build back better for all Americans," his brief resume reads.
Biden, a Democrat, has claimed victory in the neck-and-neck race against his Republican rival and sitting president, Donald Trump, saying he would be a president for all Americans.
Biden's running mate Kamala Harris has been similarly described as "Vice President-Elect of the United States" on her Twitter account after posting "We did it, Joe Biden."