Board & Staff Questions? Contact our experts. Robert Gebel, Managing Partner Construction & Tenancy Law +31 (0) 88 44 02 345 r.gebel@holla.nl Boris Emmerig, Managing Partner Finance Tax Law +31 (0) 88 44 02 308 b.emmerig@holla.nl Bart Vastenburg, Managing Director +31 (0) 88 44 02 364 b.vastenburg@holla.nl Okke Tack, Manager Finance +31 (0) 88 44 02 362 o.tack@holla.nl Anna-Thalassa Smit, Marketing & Communications Officer +31 88 44 02 331 a.thalassasmit@holla.nl Jessie Liebregts, HR Manager +31 (0) 88 44 02 359 j.liebregts@holla.nl Jeanine Silvin, Manager Support & Facilities +31 88 44 02 374 j.silvin@holla.nl Henco Hogendoorn, Insolvency Officer +31 (0) 88 44 02 320 h.hogendoorn@holla.nl Keltoum Harraz-Kaouane, Insolvency Officer +31 (0) 88 44 02 369 k.harraz-kaouane@holla.nl Estée Veltrop, Insolvency Officer +31 (0) 88 44 02 447 e.veltrop@holla.nl Rolinka Wijne, Research Office Assistant +31 (0) 88 44 02 400 secretariaatavvg@holla.nl Stijn van Oosten, Marketing & Business Development Manager +31 (0) 88 44 02 366 s.vanoosten@holla.nl