Osinachi Joseph (née Kalu), known professionally as Sinach, is a Nigerian singer, songwriter and senior worship leader at Loveworld. She has released several gospel hit songs, including "Way Maker", "I Know Who I Am", "Great Are You Lord", "Rejoice", "He Did It Again", "Precious Jesus", "The Name of Jesus", "This Is My Season", "Awesome God", "For This", "I Stand Amazed", "Simply Devoted" and "Jesus is Alive". Sinach received a Bethlehem Hall of Faith certificate of commemoration during her visit to Israel in December 2017.
In March 2019, the visuals for "Way Maker" became the third Nigerian video to garnered 100 million views on YouTube behind Davido's "Fall" and Yemi Alade's Johnny". "Way Maker" has been covered by multiple Christian artists such as Michael W. Smith, Darlene Zschech, Leeland, Bethel Music, and Mandisa. In September 2019, Sinach became the first gospel artist from Africa to tour India, headlining concerts with several thousands in attendance. In May 2020, she became the first African artist to top the Billboard Christian Songwriters chart.