Paul began his training diving career in 1996 and is now at the forefront of technical diver training with DiveRAID - the Rebreather Association of International Divers. He has dived caves and wrecks all over the world and has safely planned and executed ocean dives to a maximum depth of 150 metres. Paul regularly contributes to the dive press and has worked with film and TV companies as a diver, supplier and advisor. He has given many diving related presentations at leading conferences including LIDS, Eurotek and DEMA.

Rich Walker started diving in 1991 and soon found himself spending all his spare time exploring the shipwrecks off the coast of the UK. Rich is a member of the GUE board of advisors and is able to teach all GUE recreational and technical classes up to Tech 2 and CCR. He is also an instructor evaluator at all recreational levels and to the Tech 2 level. Wreck diving has always been his passion. He runs Project Tiger in the UK, documenting two WW2 LSTs in the Channel. He has dived on Ghost Fishing projects in Croatia and Scapa Flow. In July 2015 Rich was part of the team diving the Mars in the Baltic Sea. Rich is also a keen cave diver and enjoys exploring caves both here in the UK and abroad.

Martin is one of the UK and world's most experienced instructors and teachs courses from IANTD, PADI and both NACD & NSS-CDS. Martin is the International Training Director for NACD, sits on the Board of Advisors for IANTD and is also a Technical Field Consultant for PADI's range of rebreather programs. Martin specialises in extreme environments and regularly teaches courses such as expedition trimix, ice diving, advanced cave and technical wreck to instructor level in environments from the arctic to the equator.

After 25 years in the dive industry logging over 8000 dives including over 3000 hours on CCR, Phil now works predominantly in the scientific diving community as a CCR project manager, trainer and consultant. Phil has worked on projects with the Woods Hole Oceanographic Institute, the US National Parks Service, Chinese National Museum and the UK Police dive teams. A passionate cave explorer, Phil acted as lead diver on Bill Stone's J2 project in Mexico which saw him spend 45 days underground. Phil is a BOA member, UK Training Director of IANTD and an active ITT. Phil has trained the UK HSE and BBC divers and worked on film projects such as 'The Road to Certain Death'.

Adam started diving in 1995 aged 12 and knew instantly he was born to teach people to dive. Adam now runs one of the UK's largest certifying dive centres and is one of a select group of SSI Recreational, Technical and CCR Instructor Trainers. In his role as SSI TXR International Training Director, Adam is a contributing editor to the new XR and TXR Technical training materials for SSI. Undoubtedly Adam's passion is teaching - passing on knowledge & skills in technical, sidemount and closed circuit rebreathers, both at user and instructor level.

Mark has been diving since 1987 and has been teaching since 1994. He has been a full time technical diving instructor since 2004. He is a contributor to Sport Diver Magazine in which he writes a regular column on technical diving. In 2008 Mark published Deco for Divers, a widely acclaimed overview of the theory and physiology of decompression. This has quickly become the standard text on the subject and is recommended reading by a number of the technical diving agencies.

John Kendall has been diving since 1993 and is a GUE Technical and Cave Instructor and an Instructor Trainer. John has worked on exploration projects around the world, including the Woodville Karst Plains Project (WKPP), the Mexico Cave Exploration Project, and recently has been working on deep water 3D photomapping of 2300 year old shipwrecks off the coast of Sicily, in association with the Soperindenza del Mare.

Rasmus has been a diving instructor since 1994 and did his first cave exploration in 1996. He is a senior partner in Scandinavia's largest dive center in Copenhagen and frequently travels to teach cave and technical courses from user to instructor levels in side mount, back mount and rebreather configurations. Rasmus is also training the Danish Navy Special Ops divers to accomplish their underwater missions more effectively. He has written and contributed to several technical programs and manuals.

Vikki works for PADI as a member of the Technical Diving Division developing and supporting TecRec courses. Vikki has been teaching tec for 15 years and has thoroughly enjoyed being a part of Tekcamp and the opportunity to work with their enthusiastic divers over the last few years. As her normal role involves training instructor trainers at sidemount, open circuit and rebreather levels, this is a rare opportunity to work with a member of PADI's full time staff at diver level. Vikki is a passionate cave diver and can think of nothing better than spending a week in southern France enjoying the caves, countryside and cafes.

Kieran Hatton has been diving since 1996 when he was just 14 years old. At 16, prior to visiting Scapa Flow for the first time, he took his first Tec Course and from then he has never looked back. Currently based in Plymouth, Kieran teaches both open circuit and rebreather nitrox/trimix. Kieran is well regarded amongst the diving industry for his knowledge, for his practicality and for his passion for thorough course training with each and every student from the start.

Ian started his teaching career in 2005, teaching open circuit technical courses up to Advanced Trimix. Now specialising in Mine, Cave and Trimix diving as an Advanced Cave diving instructor, Ian believes that the wrecks, caves and unexplored areas of the world are accessible to all divers with the correct training, equipment and knowledge. When not teaching, Ian spends his time exploring caves and flooded mines. He offers training here in the UK, Azores, France, Spain, Malta and Mexico.

Garry, aka 'Sidemount Bob', began his diving career in 1999. His interest in diving includes sidemount, backmount and ccr and has led to an extensive knowledge base which he eagerly shares with others. An avid dry caver in his earlier days, Garry's passion for sidemount and cave diving, led him to be fundamental in the founding of the Apeks Cave Exploration Project in 2013. Whether diving technical or recreational, cave or wreck, Garry provides high quality training with an enthusiastic and friendly approach.