[13] Slaiby began his music industry career after meeting and seeing a young fellow immigrant rapper Belly freestyle rapping on an Ottawa street in 2002.

[16] In 2011, Slaiby met and began co-managing the singer the Weeknd with Esmailian, and co-founded XO Records with the artist and his creative director La Mar Taylor.

[19] Through SALXCO, Slaiby manages the artists signed to XO Records, including singer Black Atlass and rapper Nav, and other artists and producers such as Doja Cat, Nicki Minaj, London On Da Track, Ali Gatie, Harry Fraud, Metro Boomin, Bebe Rexha and Swedish House Mafia.

[28] In 2018, he joined the board of HXOUSE, an incubator founded by La Mar Taylor, Belly and the Weeknd consisting of a 30,000-square-foot space facility located near Toronto's waterfront that provides studio rooms and offers equipment needed for recording, designing, and producing at a low cost for young artists.

[32] In 2017, Slaiby and French Montana helped build the Suubi Hospital in Uganda in conjunction with Global Citizen and Mama Hope.

[1] In response to the 2020 Beirut explosion, Slaiby, alongside his wife Rima Fakih, started a campaign called #GlobalAidForLebanon, in collaboration with Global Citizen and the United Nations World Food Programme.

[34] On May 15, 2016, Slaiby married Lebanese model, philanthropist and Miss USA 2010 Rima Fakih in a ceremony at The Patriarchal Edifice in Bkerké, Lebanon.

[35] The wedding was attended by numerous celebrities, including The Weeknd, French Montana, Haifa Wehbe, and Wael Kfoury and was presided over by Maronite Patriarch, Bechara Boutros al-Rahi.