The 28-year-old midfielder, who can also operate in defence, will be reunited with his twin Lars at the BayArena. The pair – who played youth football at 1860 Munich – won Olympic silver in Rio de Janeiro together last summer.
“We’re delighted that Sven has decided to sign for us,” said Bayer sporting director Rudi Völler. “He’s an extremely experienced and versatile player, who has proved his class at Dortmund. His quality and leadership will be good for our young team.”
A two-time Bundesliga champion with BVB, Bender had been restricted to just six league appearances last season as injuries and fierce competition at the Signal Iduna Park hindered his progress. New coach Heikko Herrlich was never in any doubt about making the Germany international his first signing, though.
“I’ve been talking to him for a very long time” he said. “His mentality and spirit make him an ideal leader on and off the pitch, just like his brother Lars.”