Kamil Iwankiewicz - diving instructor, mountaineer, with title of doctor in economics. Initiator of the projects such as: 'Diving on a volcano' and 'Earth's Crown Lakes.' Author of the articles about diving, travellind and mountaineering. Organizer of the reaserch expeditions including those in the Andes, Himalayas, Cordilleras and Pamir. World record holder in mountain diving.