Thomas Ryan Bayu Hermawan (born 27 July 1991) is an Indonesian professional footballer Persebaya Surabaya recruited Thomas from Persela U-21 in 2010/2011 season.
[1] On 5 February 2012, Thomas made his competitive debut for Persebaya in the 2011–12 Liga Indonesia Premier Division against Persitara North Jakarta, which ended in a 2–0 victory at Gelora 10 November Stadium.
[2] A year later, Persebaya became champions of 2013 Liga Indonesia Premier Division and promoted to Indonesia Super League.
[3]