Prof. Anne Mie C. Emons Studied Biology (MSc 1969, cum laude) at the Radboud University of Nijmegen, the Netherlands, and after a family break completed her PhD at the same university in 1986. Postdoctoral studies at Wageningen University in 1987, and at the John Innes Centre, Norwich, UK, on an EMBO grant in 1988 in the department of Dr. Keith Roberts. From 1988 Assistant, Associate and later Full Professor at Wageningen University, laboratory of Plant Cell Biology and since 2002 Advisor Bio-organization FOM Institute AMOLF, Theory Biomolecular Matter group. Major research interests: Plant cell biology, cell polymers: actin filaments, microtubules and cellulose microfibrils, plant cell cyto-architecture, tip growth, legume root hair, rhizobium interaction Dr. Tijs Ketelaar Studied Plant Breeding (MSc 1996) at Wageningen University, the Netherlands, followed by a PhD at the Laboratory of Plant Cell Biology at Wageningen University in 2002. From 2001 to 2004 Postdoctoral research in the laboratory of Professor Patrick Hussey at the University of Durham, UK, followed by a VENI fellowship of the Dutch Science Foundation (NWO) at the Laboratory of Plant Cell Biology of Wageningen University (2004-2007). Since 2007 Assistant Professor at the same laboratory. Research interests: cytoskeleton, plant cell cyto-architecture, polar cell expansion, root hairs