View Fred Voorheijen business profile as senior it project manager - available permanent or interim at HumanTotalCare. Erik De Heus holds a - Hogeschool van Arnhem en Nijmegen Daan Slotboom. View. Find contact's direct phone number. 2. Amsterdam, NH, NL. Find contact's direct phone number. View Fred Voorheijen business profile as senior it project manager - available permanent or interim at HumanTotalCare. Find contact's direct phone number. 2. 2. View. Amsterdam, NH, NL. Manager Vastgoed at HumanTotalCare. ArboNed BV. Erik De Heus holds a - Hogeschool van Arnhem en Nijmegen Daan Slotboom. View. Manager Vastgoed at HumanTotalCare. Erik De Heus holds a - Hogeschool van Arnhem en Nijmegen Daan Slotboom. ArboNed BV. Amsterdam, NH, NL. Manager Vastgoed at HumanTotalCare. . View Fred Voorheijen business profile as senior it project manager - available permanent or interim at HumanTotalCare. ArboNed BV.