I am working as field-researcher and survey coordinator for (sea)bird and marine mammal surveys in the Wadden Sea, North Sea, West Africa, Arctic, Antarctica and Dutch Caribbean. Bird group team leader, AI development team, member of the OR-ASG and WMR Safety Team as an advisor for offshore projects.Researcher at Wageningen Marine Research, Den Helder, The Netherlands. https://research.wur.nl/en/persons/hans-verdaat

Expedition Leader, expedition guide, lecturer and zodiac driver on expedition cruises to the Arctic & Antarctic regions. Other trips include: West Africa Pelagic, Atlantic Odyssey & North Atlantic Odyssey.https://oceanwide-expeditions.com/page/our-staff

http://www.ineziatours.nl

Member of the Global Team, Admin, Validator (sea)birds & (marine) mammals Waarneming.nl & Observation.org

Ship- and aerial (helicopter) surveys of marine mammals in Antarctica. Marine Mammal Observer onboard RV Polarstern during the Alfred Wegener Institute (AWI) expeditions: ANT XXV/2 *, ANT XXVII/2 **, ANT XXVIII/2 **, ANT XXX/2 ** Expeditions were organised by: * IMARES - ITAW and ** ITAW (former FTZ Buesum)

Student internship as part of my graduation project. The project focused on the area use, behavior and disturbance of Red-throated Divers in the Voordelta in The Netherlands (Bureau Waardenburg rapport 06-144).

Guiding birdwatching tours in Poland, France, Spain and Oman

ESAS observer: Seabird and Marine Mammal Observer on board the Ms. Zirfaea, Bay of Biscay for SCANS II, ship survey of marine mammals in European waters.