Osinachi Kalu Okoro Egbu,[1] known professionally as Sinach, (born 30 March 1972) is a Nigerian singer, songwriter and senior worship leader, serving in this capacity for over 30 years.

[10] In March 2019, it became the third Nigerian video to have garnered 100 million views on YouTube behind Davido's "Fall" and Yemi Alade's "Johnny".

[11] "Way Maker" has been covered by over 60 Christian artists such as Michael W. Smith, Darlene Zschech, Leeland, Bethel Music, and Mandisa and in many languages.

[21][22] In February 2023, the government of the Commonwealth of Dominica awarded Sinach as global ambassador, via a letter signed by the Prime Minister, Roosevelt Skerrit.

[24] Sinach started singing for family and friends in 1989 as a hobby, while working as a staff and choir member in Christ Embassy, Pastor Chris Oyakhilome's Church.

[28] As a child, Sinach stated she had dreams, where she saw herself singing to large crowds, but didn't actively pursue anything musically as a career besides joining the choir, and also working as an administrative staff in the Church.

[36] Sinach has performed and headlined concerts in over 50 countries[37] including Kenya, Dominica, South Africa, United States, Canada, Antigua & Barbuda, Trinidad and Tobago, Jamaica, Grenada, Uganda, Barbados, The British Virgin Islands, Zambia, Saint Maarten, the United Kingdom and India.

[39][40] In one of the recent chats with music journalist Motolani Alake of Pulse Nigeria, Sinach reveals how God arrested her into gospel ministration through Pastor Chris Oyakhilome's anointing.