In a limited company, the liability of members or subscribers of the company is limited to what they have invested or guaranteed to the company.
The current President pro tempore of the Senate is Utah Republican Orrin Hatch. Elected on January 6, 2015, he is the 90th person to serve in this office.
The 47th and current Vice President of the United States is Joe Biden. He was sworn in for his second, four-year term on January 21, 2013. The Vice President of the United States of America is the President of the Senate and takes over the role of President if the President is unable to perform his/her duties.