Who is the present us secretary of state?
Since there has been an election and a new president (Donald Trump), there will be a new Secretary of State when his administration takes control in late January 2017. But in 2016, during the remainder of the Barack Obama presidency, the current Secretary of State is John Kerry, who was a former senator from Massachusetts. Prior to him, the Secretary of State was Hillary Clinton, a former First Lady and former senator from New York.
Most members of the British Cabinet have the title "Secretary of State", e.g. the cabinet member in charge of education is the "Secretary of State for Education". The equivalent to the US Secretary of State would be the Foreign Secretary, or the "Secretary of State for Foreign Affairs". This is currently held by William Hague MP.