FIRST Riches and testament Mark Riches, co-founder and non-executive director of FIRST, has left the agency after 23 years. Riches will continue to support FIRST’s growth from the sidelines, as the company approaches its 25th anniversary. In a statement, he said: “It has been an amazing FIRST journey, and this has only been possible with the support of our clients. It feels like a good time to step aside, as I leave an extremely strong business with a cle...