Derk Zijlker is freelance photographer. As a professional photographer Derk works for different real estate agents, communication agencies, interior designers and architects. Mostly architectural and interior(design) photography. His autonomous works consists of documentary series. Mostly long term projects around a interesting theme or city.

Bij Mockus help ik als onderzoeker en adviseur onze opdrachtgevers te ontdekken wie ze echt zijn en welk authentiek verhaal daarbij past. Dat doen wij altijd samen, het liefst in creatieve sessies.Daarnaast ontwikkel ik content als copywriter of fotograaf en denk ik mee bij creatieve concepten en campagnes.

Qualitative Researcher specialized in:-Kids & Youngsters (10-30 years) -Qualitative Research: focus groups, interviews, online panels, research apps-Concept testing: websites, apps, games, advertising concepts-Co-creation and concept development-Trends in Youth Culture and general consumer trendsClients worked for:Mockus YoungWorksFonk AmsterdamKNVBING BankUniversity UtrechtGemeente Amsterdam

We are the Familie van Fonk (Fonks family). We realise products for children, families and schools. We like to help with strategy, concept en realisation of apps, websites, educational materials and publications. We love to cooperate with clients, and we also initiate our own projects when we feel there is a need.Our work is created from the heart: everything we make is positive and friendly. Our products stimulate social interaction in real life (both in families and in schools) and have a sustainable effect. We help children grow.

Employed on a freelance base, developing digital projects, writing publications and conducting qualitative research with children in team children & families. Worked for: NEMO Science Museum, ING, KNVB, Stichting Downsyndroom, Het Rijksmuseum, Mocca.

For 2,5 years Derk has worked as a Junior Advisor and Researcher for YoungWorks. A communication- and consultancy agency in Amsterdam specialized in youngsters between 10 and 30 years. He has experience in talking to youngsters: searching for insights in knowledge, attitude & behaviour. Beside qualitative research skills Derk has an expertise in trend research. Regularly he writes articles and blogs about youth and trends in magazines like Second Sight, Marketing Tribune and online blogs.

Searching the Internet for interesting consumer insights and retail/ business examples around the globe, explained from a (social) psychological perspective. Interested in topics like Generation Y, Cross-cultural consumerism, technological impact on society, consumer psychology, new status and more.Latest contribution: 2011 Trend Report, published in November 2010. http://trendwatching.com/premium/

Account manager:Client: Mercedes-Benz BedrijfswagensCampagne: Truck Demodagen. Verlichting in donkere tijdenStrategic Planner:Market- & targetgroup research for clients: Nuon, Oxfam Novib, Rivella & Rabobank, Beter Horen and Mercedes-Benz. Trend Researcher:I tried to find answers to the question: How do people get prestige and status nowadays, if the value of money declines? My research is all about a 'new' form of consumer status. For more information visit: http://www.secondsight.nl/page/19125/nl