The versatile player is set to sign a three-and-a-half year deal with his new club, with the Ruhr outfit seeking a replacement for injured Baba Rahman
Schalke are set to sign Daniel Caligiuri from Wolfsburg for an undisclosed fee.
The 29-year-old winger will formally pen a contract until June 2020 upon completion of his medical.
The Gelsenkirchen side had initially planned to bring in Caligiuri at the end of the season, but opted to complete the transfer earlier following Baba Rahman's knee injury.
"We have signed a versatile player who is capable on both the left and right wings and knows the Bundesliga well," commented sporting director Christian Heidel.