Evolving from the collection of weblogs written by a team of IT professionals, dedicated to providing up to date, real life inspired and technology driven information on Microsoft Active Directory and Entra ID, DirTeam became an Identity consultancy company in September 2023.

Evolving from the collection of weblogs written by a team of IT professionals, dedicated to provide you with up to date, real life inspired and technology driven information on Microsoft Active Directory and Azure AD, DirTeam became an Identity consultancy company in September 2023.

The Dirteam.com and ActiveDir.org Weblogs is a collection of weblogs written by a team of IT professionals, dedicated to provide you with up to date, real life inspired and technology driven information on Microsoft Active Directory and Entra ID (formerly Azure AD). As a member of the blogger team, I contribute blogposts on topics ranging from Active Directory to Entra ID.

Together with Raymond Comvalius, I host the Dutch ITBros podcast. In this weekly podcast, we discuss the latest IT Pro news and upcoming IT Pro events. Each week, we also share an IT Pro productivity tip. Adding to our own diverse views, we invite guests every other week to share their views on the world of IT Pros.

In 2024, I've had the opportunity to speak at:• Dutch Microsoft Entra Community 🇳🇱• Workplace Ninja's Netherlands 🇳🇱• Netwrix User Conference 🇺🇸⭐ Featured speaker• Veeam User Group Netherlands 🇳🇱• Techorama Belgium 🇧🇪• KNVI Information Flow event 🇳🇱• Experts Live Netherlands 🇳🇱• NT Konferenca 🇸🇮• IDM Europe 🇳🇱• AppManagEvent 🇳🇱• Graafschap College 'Inspire me' 🇳🇱• Azure Heroes Netherlands 🇳🇱• Nordic Infrastructure Conference 🇳🇴• Microsoft Ignite 🇺🇸For the remainder of 2024, I'm invited as a speaker at:• Microsoft Cloud & Client Management (MC2MC) 🇧🇪

In 2023, I've had the opportunity to speak at:• GET-IT IAM and PAM Conference 🌎• VeeamON• Experts Live Netherlands• Hybrid Identity Protection Conference• Cloud Identity Summit• Veeam User Group Netherlands• NT Konferenca• AppManagEvent• Azure Saturday Netherlands• KNVI 'From Legacy to Modern' event 🗓 Co-organized• Netwrix Benelux User Day• Nordic Infrastructure Conference• European SharePoint Conference

In 2022, I've had the opportunity to speak at: • KNVI Impact of Windows 11 on your organization • Techorama Belgium • NIC X Edition • GET-IT Cloud Security & Compliance Conference 🌎 • KNVI IT Infra Knowledge BBQ 🗓 Co-organized • Cloud Identity Summit • NT Konferenca • Experts Live Netherlands • AppManagEvent • European SharePoint Conference • Workplace Ninja's Netherlands

In 2021, I've had the opportunity to speak at: • Azure Saturday Belgrade 🌎 • NT Konferenca 2021 • Cloud Identity Summit 21 🌎 • VMware VMworld 2021 🌎 • Veaam VeeamON Update 🌎 • KNVI - Never-ending stories for IT Pros • Cloud Camp Ireland 2021 🌎 • Hybrid Identity Protection Conference 2021 🌎

In 2020, I've had the opportunity to speak at: • IT Pro|Dev Connections Greece 🌎 • NT Konferenca 2020 / Remote 🌎 • Veeam LIVE 2020 🌎 • Hybrid Identity Protection Conference 2020 🌎 • European SharePoint Conference 2020 🌎 • VMware VMworld 2020 🌎 • Azure Saturday Belgrade • Nordic Infrastructure Conference 20/20

In 2019, I've had the opportunity to speak at: • European SharePoint Conference • WMUG Meeting 2019 5 • VMware VMworld Europe 🏅Distinguished speaker • SharePoint Saturday Belgium • Office 365 and SharePoint Connect 2019 • AppManagEvent • KNVI IT Infra Day of the Year 🗓 Co-organized • WAZUG.nl Meetup 60 • KNVI Active Directory Meet-up 🗓 Co-organized • Experts Live Netherlands • Techorama Belgium 2019 • NT konferenca • Heliview IAM Congress • WinDays 19

In 2018, I've had the opportunity to speak at: • European SharePoint Conference • Office 365 and SharePoint Connect • Heliview People-centric IT event • VMware VMworld Europe 🏅Distinguished speaker • Microsoft Sinergija • KNVI IT Pro Event of the Year 🗓 Co-organized • Microsoft Ignite ⭐️ Featured Speaker • Graafschap College 'Inspire me' • VMware VMworld US 🏅Distinguished speaker • TechMentor Redmond • aOS Journée Aix-en-Provence • Experts Live Netherlands • Techorama Belgium 2018 • Heliview IAM Congress 👌 Voted Best Speaker • WAZUG.nl Meetup 47 • Microsoft Tech Summit Amsterdam • Nordic Infrastructure Conference

In 2017, I've had the opportunity to speak at: • KNVI Congress • Hybrid Identity Protection Conference • IT/DEV Connections • Lowlands Unite! Belgium Edition • Microsoft Ignite • iSense Security Summit 🗓 Co-organized • WMUG Meeting 2017 4 • CSN Academy • Experts Live Summer Night • Techorama Belgium 2017 • KNVI Honest about Azure 🗓 Co-organized • WinDays 17 • Microsoft IT Pro Community Hrvatska • Microsoft BiH NetWork/7 • Lowlands Unite! Netherlands Edition • Detron Hybrid Identity Evening 🗓 Co-organized • Nordic Infrastructure Conference • Graafschap College 'Inspire Me'

In 2016, I've had the opportunity to speak at: • OGD Experts Live Redelivery Event • Dutch WMUG Event • Experts Live Netherlands • Microsoft Advanced Technology Days • KNVI Containers Night 🗓 Co-organized • KNVI IT Infra Day of the Year 🗓 Co-organized • Microsoft Sinergija • SCUG Summer Night • Ajilon IT 'Minimalism in Windows Server' Event • ITPROceed • WinDays 16 • Microsoft IT Pro Community Hrvatska • Microsoft BiH NetWork/6 • Graafschap College 'Inspire Me'

In 2015, I've had the opportunity to speak at: • Experts Live • NGN Windows 10 day 🗓 Co-organized • IT/DEV Connections • ITPROceed • WinDays XV • Nordic Infrastructure Conference

In 2014, I've had the opportunity to speak at: • ITPRO|DEV Connections Greece • Veeam On Tour Breda • Experts Live • Microsoft Sinergija • Social Tooling Event 🗓 Co-organized • The Datacenter Group Partner Event • NGN 'System management beyond control' event​ • Microsoft TechEd North America • Microsoft TechDays Netherlands • Nordic Infrastructure Conference

In 2013, I've had the opportunity to speak at: • ITPRO|DEV Connections Greece • Experts Live • OGD Bring-Your-Own Event 🗓 Co-organized • NGN Mobiel Werken​ 🗓 Co-organized • OGD Linux & Unix Meet-up 🗓 Co-organized • VMUG UK Leeds • VMUG UK London • NGN Tablet Day 🗓 Co-organized • Microsoft TechDays Netherlands

In 2012, I've had the opportunity to speak at: • Microsoft Netherlands IT Camp • Microsoft Objectives, Dutch Windows 8 Launch • OGD 'Samen slimmer met Windows 8' 🗓 Co-organized • NGN Windows 8 Day 🗓 Co-organized • NGN/NLUUG OS Day • NGN iPad Day 🗓 Co-organized

In 2011, I've had the opportunity to speak at: • OGD BINAIR Utrecht 🗓 Co-organized • NGN High Availability Afternoon 🗓 Co-organized • NGN iPad Day 🗓 Co-organized • OGD BINAIR Eindhoven 🗓 Co-organized • Microsoft Netherlands GeekNight • NGN Windows Server afternoon 🗓 Co-organized • Nationale Carrièrebeurs • Microsoft Netherlands Grip op IT Event • OGD BINAIR Amsterdam 🗓 Co-organized

In 2010, I've had the opportunity to speak at: • OGD Windows 7 Spectacle • OGD BINAIR Amsterdam • OGD BINAIR Utrecht • NGN Windows Server 2008 R2 Day • OGD BINAIR The Hague • VirtualStudy.pl Conference 2010 🌍 • Experts Live • Hyper-V.nu User Group • OGD BINAIR Hilversum

In 2009, I've had the opportunity to speak at: • Hyper-V.nu User Group Meeting • OGD BINAIR Delft • Meer dan Beheer 💡 Keynote speaker • OGD BINAIR Eindhoven

In 2007 and 2008, I've had the opportunity to speak at: • OGD Windows Vista Lounge • OGD Windows Vista Launch • Microsoft Netherlands TechNet Live Event • Microsoft Netherlands IT Herolympics Event

As an author with Packt, I wrote the following books:• Active Directory Administration Cookbook, 2nd edition (2022)• Active Directory Administration Cookbook (2019)

In 2023, I presented the following webinars:• Adequately securing Active Directory (in collaboration with IT-University.nl)• Securing Azure AD without Premium licenses (in collaboration with IT-University.nl)• How To Overcome Active Directory Exploits (in collaboration with Netwrix and Stealthbits)• The Importance of Monitoring Active Directory (in collaboration with ENow Software)• How To Overcome Active Directory Exploits (in collaboration with Netwrix and IT GRC Forum)• Secure and Monitor Active Directory (in collaboration with ENow Software)

In 2022, I presented the following webinars:• Why everything you did with AAD Connect is wrong (in collaboration with IT-University.nl)• Windows Hello for Business in hybrid environments (in collaboration with IT-University.nl)• Securing Active Directory by adding cloud (in collaboration with IT-University.nl)• Busting common Microsoft 365 myths (in collaboration with ENow and Veeam)• Securing Active Directory with Entra and Netwrix (in collaboration with ARMA International)

In 2021, I presented the following webinars:• Implementing Hybrid Identity to achieve its benefits   as part of SCCT’s series of Identity webinars• Securing on-premises Active Directory with Azure AD   as part of SCCT’s series of Identity webinars• Hardening Azure AD and Microsoft 365   as part of SCCT’s series of Identity webinars• Everything you want to know about Azure AD Connect   as part of SCCT’s series of Identity webinars• Active Directory & Azure AD: Better Together   Part 1. Maximum value from your Infrastructure • Active Directory & Azure AD: Better Together   Part 2. Hardening your Hybrid Identity• Your Identity Roadmap through 2024   as part of SCCT’s series of Identity webinars• Eight common Hybrid Identity mistakes to avoid   as part of SCCT’s series of Identity webinars• Ten best practices for securing AD and Azure AD   for Randy Franklin Smith's Ultimate Windows Security• Findings from 100s of Cloud Security Assessments   as part of SCCT’s series of Identity webinars• AD Configuration Strategies for Stronger Security   for Petri IT Knowledgebase Webinars

In 2020, I presented the following webinars:• Best Practices for AD Administration and Backup   with Veeam's Andrey Zhelezko• Straight from the Active Directory Cookbook   Part 1, Securing Active Directory (with Netwrix)• Straight from the Active Directory Cookbook   Part 2, Hybrid Identity Optimization (with Netwrix)• Straight from the Active Directory Cookbook   Part 3, Azure AD Hardening (with Netwrix)• Three approaches to migrating to the cloud (with Netwrix)

In 2019, I presented the following webinars: • Straight from the Active Directory Cookbook   Part 1, Securing Active Directory (with Netwrix) • Straight from the Active Directory Cookbook   Part 2, Hybrid Identity Optimization (with Netwrix) • Straight from the Active Directory Cookbook   Part 3, Azure AD Hardening (with Netwrix) • Exam 70-742 'Identity with Windows Server 2016'   Part 1, Install and Configure AD DS (with Netwrix) • Exam 70-742 'Identity with Windows Server 2016'   Part 2, Manage and Maintain AD DS (with Netwrix) • Exam 70-742 'Identity with Windows Server 2016'   Part 3, Manage Group Policy (with Netwrix)

In 2018, I presented the following webinars: • Tracking changes in Hybrid Identity (with Netwrix) • The Single Sign-On Solution (sponsored by Okta) • Picking the right type of solution for Active    Directory Backup and Restore (with Semperis) • Disaster Recovery Gaps in Hybrid AD Environments    (with Quest) • Digital retailconcepts require GDPR compliancy    double checks (for IntoRetail) • Exam 70-742 'Identity with Windows Server 2016'   Part 1, Install and Configure AD DS (with Netwrix) • Exam 70-742 'Identity with Windows Server 2016'   Part 2, Manage and Maintain AD DS (with Netwrix) • Exam 70-742 'Identity with Windows Server 2016'   Part 3, Manage Group Policy (with Netwrix)

In 2017, I presented the following webinars: • Tracking Changes in Hybrid Identity (with Netwrix) • Active Directory 101 (with Veeam) • Active Directory Virtualization (with Veeam) • Active Directory Backup and Restore (with Veeam)

In 2016, I presented the following webinars: • Modern Day threats to Security    (sponsored by TechnoFocus.in) • Implementing a secure Hybrid Identity Solution    (sponsored by TechnoFocus.in) • Unlock unlimited possibilities with Cloud Identity   (sponsored by TechnoFocus.in)

As the Chief Technology Officer (CTO) at SCCT, I worked with the engineers, consultants and management team to help our customers get the most out of their Microsoft technology and products.During my tenure, I developed, defined, introduced, communicated, implemented and performed the following services:• The SCCT | Active Directory Health Scan• The SCCT | Hybrid Identity Health Scan• The SCCT | AD FS Health Scan• The SCCT | AD CS Health Scan• The SCCT | Cloud Security Assessment• The SCCT | Zero Trust Assessment• The SCCT | Hybrid Identity training

As the Identity and Security team lead at SCCT, I helped customers and clients to get the most out of their Microsoft cloud services (IaaS, Paas and SaaS), Identity and Access Management (IAM, CIAM and PAM), backup and cyber security investments. My customers included:• Rituals• Suitsupply• De Brauw Blackstone Westbroek• Caldic• Equinix• Novamedia• Ichthus College• Gemeente Noordenveld• Lamb Weston• Fichtner Group• SURF • Netherlands Forensic Institute (NFI)• GGD Brabant-Zuidoost• Vegro• Onze Huisartsen• JAN Accountants & Advisors• Ecotone• ITHO Daalderop Group• ZLM Insurances• Anywhere365• Utrecht University• Turien & Co. Insurers• Vlisco Dutch wax fabrics• City of Rotterdam• Onderwijsgroep Zuid-Hollandse Waarden• WVDB Advisors and Accountants• Statistics Netherlands• AskRoger!• Gemeente Molenlanden• Walraven• Consumentenbond• BNG Bank• PGB Pension Services• Vilente• NRG• VGGM• AKD Benelux lawyers• Santeon Hospitals• Oasen drinking water• Dutch Forensics Institute• ProRail• Koppert Biological Systems• The Dutch Cancer Institute• The Dutch judiciary• ICT Group• HEMA Amsterdam• Q8• Fivoor• FujiFilm• RDC• Carintreggeland• KPMG• ABN AMRO• Scotch and Soda• Saxion University of Applied Sciences• Nationale Nederlanden• ARAG• Inashco• Marlink

As part of the consultancy team, I helped customers and clients to get the most out of Microsoft cloud services (IaaS, Paas and SaaS), Identity and Access Management (IAM) and cybersecurity.My customers included:• Kiwa NV• City of Zeist• Dutch Department of Safety and Justice• A.P. Moller - Maersk• VolkerWessels• Onderwijsgroep Zuid-Hollandse Waarden• Mazars• Rabobank• AKD Benelux Lawyers• Manpower Group• ROC Albeda College• Visser Smit Hanab

I was co-author of the Microsoft TechNet Netherlands newsletter and co-host of several Microsoft events, together with Daniel van Soest and Tony Krijnen.

As Microsoft evangelist, trainer, partnership manager and senior consultant, I've helped OGD and its customers to gain a competitive edge in the Dutch Microsoft ecosystem. These roles have evolved to a new role within the OGD Business Development department.In this role, I was responsible for the technical readiness of my colleagues in the field of Microsoft technologies, visibility of OGD within the international Microsoft ecosystem and the relationship between OGD and Microsoft. My many links within the Microsoft Most Valuable Professional (MVP) program made me the ideal person to not just guide OGD technically and inspire my over a thousand colleagues to research and certify for the latest and greatest, but also to propose the right solutions to customers.

As the most experienced and awarded Microsoft professional within OGD, I shared my knowledge and experience with other professionals within this organization, as well as professionals with customers. I was an all-round Microsoft trainer, training colleagues on client and server platforms, core infrastructure subjects, messaging and directory services solutions, as well as preparing them for MCSA, MCSE and MCITP exams.

As a technical specialist, I provided IT services to organizations in various verticals and of various sizes and complexity.My customers included: • Rodium (part of LemonTree) • TOPdesk • Mammoet Holding B.V. • Regiocollege Zaanstreek-Waterland • KNCV Tuberculosefonds • Quadrant Plastics • Priva • Leiden University Medical Center • Stichting Maatschappelijke Opvang Traverse • Haagwonen • Instituut voor Nederlandse Lexicologie • Centrum Indicatiestelling Zorg • BAXI Group • LMC Rotterdam • IBN Group • Lely Industries • Stichting H3O • Centrum '45 • TNO • Van der Sluijsgroep • International Criminal Court (ICC) • Cello Zorg • IBridge • Q-Energy • Lansigt accountants and tax advisors • Stichting Vakbekwaamheid Horeca • University of Tilburg • Mobycon • University of Utrecht • Ashland • Vereenigde Octrooibureau • Centrum Maliebaan • The Mauritshuis • Tympaan Instituut • Reinier de Graaf groep • Blue Cielo • NSCR • St. Elisabeth Hospital • Gereformeerde Scholengemeenschap Randstad • Van de Lande Fittings • Bernard Verbeeten Institute • EDG • RTV Rijnmond • Arentheem College • Dutch Department of General Affairs • IIAV • Radar Advies • Rijkswaterstaat • Delft University Library • Stichting Zorgkompas • Zorgstichting Cascade • City of Maassluis • Royal Nederland • Afval Verwerking Rotterdam (AVR) • Albeda College • Netherlands Measurement institute (NMi) • Alcatel Netherlands

As Product Manager for Microsoft Technologies within OGD, I was responsible for all readiness, relationships and visibility for all applicable Microsoft technologies and products. In this role I was indirectly responsible for 85% of OGD's business.

As Project Manager, I was responsible for all IT infrastructure projects with customers.My customers included:• TNO Madymo• Marienstaete• Dienst Binnenwaterbeheer Amsterdam• Stichting Crea, Universiteit Amsterdam• TetraNed• Schermer Trommel en De Jong Bedrijfsartsen• Böhler Franken Koppe Wijngaarden advocaten• De Groene Groep• Deltahage• Meerstroom College• Radar Advies

Remote Systems Administrator for OGD in a team of administrators, responsible for maintaining it infrastructures at several customers. Each administrator is assigned to a couple of customers and visits these customers onsite at a frequency of once or twice per week.As Remote Systems Administrator, I was repsonsible for the IT infrastructures at the following customers: • Synovate Nederland • VanBreda Risk & Benefits • Hoofdbedrijfschap Ambachten • Beahuis & Bloemenhovekliniek