He then joined Libancell, now known as MTC Touch, where he assumed a leading role in establishing the first Lebanese mobile network.

[10] Following the Nigerian government's 2001 plan to privatize its telecommunications industry, he set up a mobile infrastructure company, IHS Towers, which he has led since then.

[18][19] Darwish has founded additional businesses in the US and Middle East such as Vorex, a software provider for small enterprises across the US.

[20][21] Darwish has been involved in setting up incubator programs for aspiring tech entrepreneurs in Lagos and oversees local community projects throughout the emerging markets.

[22][23] Darwish is also on the advisory board of the Woodrow Wilson Center, a bipartisan think tank based in Washington DC, and also a Trustee of the Intrepid Sea, Air & Space Museum.