| William trains and attempts World Records exclusively with Orca wetsuits, and wears Orca apparel. |  |
| Suunto - William is official ambassador for Suuunto, and uses a Suunto D4 depth gauge in his training and record attempts, and an Aqua Elementum in his leisure time. |  |
| During the summer William trains at T3 (Tenerife Top Training), the worlds most modern training center, in the Canary Islands of Spain. |  |
| Extreme Drinks - fuel for extreme sports |  |