Who has calculated the most digits of PI?

Question

In September 2013 Kurt Steiner in Pennsylvania set the world record, according to the Guinness Book of Records, for what?

Answer 1

Name: Mr Nicholas Sze of Japan
Day of Record: 16 Sep 2010
Calculation of PI: 2,000,000,000,000,000th digits

Pi precise calculation is a long history and from last 100 years many people tried to break the record. Current record holder is Mr Nicholas Sze of Japan who calculated PI Value till two-quadrillionth digit i.e. 2,000,000,000,000,000th digits.

Source: http://www.bbc.com/news/technology-11313194

Answer 2

Shigeru Kondo(TOKYO, Japan), have calculated the value of pi to five trillion digits
Its a new world record.