The use of inhouse supervision of internal coaches is growing. Paul Heardman investigates what this under-explored part of the coaching landscape has to offer.

It’s a common assumption that internal coaches benefit from external supervision to reduce the risk of ‘systemic blindness’ – in the classic metaphor, this enables the fabled fish who doesn’t know it’s swimming in water to become more aware. External supervisors frequently bring considerable depth and breadth of experience to their supervision of internal coaches. It’s assumed this means external supervision is...