Arjen Lentz was born in Amsterdam but has lived in Queensland Australia since the turn of the millennium, sharing his life these days with his beautiful daughter Phoebe and black cat Figaro. Originally a C programmer, Arjen was employee #25 at MySQL AB (2001-2007). After a brief break in 2007, Arjen founded Open Query (http: //openquery.com.au), which develops and provides its own data management training and consulting services in the Asia Pacific region and beyond. Arjen also regularly speaks at conferences and user groups. In his abundant spare time Arjen indulges in cooking, gardening, reading, camping, and exploring the RepRap. Arjen's weblog is at http: //arjen-lentz.livejournal.com/