Jeff Lewis – Brabners LLP Jeff Lewis of Brabners LLP is ‘a skilled mediator, who is always there with ideas to assist the parties’. CEDR-accredited since 2000, Lewis is also a member of the Sport Resolutions panel, due to his extensive experience in sports disputes. He has additionally been appointed to the RICS-PLA mediation panel, as a result of his property disputes experience. Lewis has conducted over 100 mediations to date.