His journey as a young coach started at a private school in Franschhoek. He then went on to accept an assistant coaching position under head coach Pierre de Roubaix. Keith was an integral part of the Maties swimming staff until 2016 when he became the head swimming coach at a local triathlon squad.

Keith Jansen comes from a multi-disciplinary background with extensive knowledge in swimming, athletics, biathlon, and triathlon coaching. Keith managed to coach athletes to become SA biathlon Champions, SA Biathlon Record holders culminating in producing a World Champion in Laser run.

As a qualified Swimming South Africa coach, he has been working closely with elite and Olympic level triathletes. Brad Weiss, Flora Duffy, Jamie Riddle and now retired ultra-marathon triathlon specialist James Cunnama regularly turn to Keith and the Lane Leader team for expert swim coaching.

In 2021 Keith produced a Paralympic swimmer Christian Sadie who participated in the 2020 Paralympic games in Tokyo Japan in 5 Paralympic events. Keith enjoys working in the High-Performance environment as a key Head Coach within the Lane Leader family. His commitment to developing every swimmer to their potential is his dedicated passion.