[2] While at Oxford he and a group of friends paddled a small boat 1,200 miles down the Niger River in Africa, tracing the route of the early nineteenth century Scottish explorer Mungo Park.

During his time at the company, Harman headed the team providing financial advice to 02 in Telefónica's £18b takeover of the British mobile phone operator.

[5] In 2011, he was appointed CEO of BXR Partners, an emerging markets investment group co- founded with Zdenek Bakala.

[8] Harman is a trustee of the Big Give Trust (UK match funding charity),[11] Positive Women/First Year Africa (a charity seeking to reduce child morbidity in Africa),[12] as well as a co-founder of Moe Kolo (Ukraine mental health NGO) and MedAid International (UK not-for-profit company which provides medical support to Ukraine).

[13] In May 2024, Harman was one of 121 business leaders who signed a public letter supporting Labour's economic policy ahead of the July 2024 General Elections.