'I remember Jon's interview - he was red with nerves and cleared his throat every minute. We were down to a shortlist of three for an account exec job and the decision was going to be "no", until I got the entrance tests.
'Jon was way ahead; his IQ was stratospheric, beyond Mensa and indeed beyond measuring; his copy test was national journalist standard and his creative-thinking exercise made me laugh.
'A number of clients came to refer to him affectionately as Spock, for his impeccable logic. But his strengths are his empathy and ability to get the best out of every team member. Jon has the confidence to share knowledge and was at his happiest when one of his team shone.'
Jon took off last month to trek around the world after 12 years at Kinross & Render.