Mayor Leendert de Lange

Representation in joint arrangements

• Member of the Executive Committee and General Board of the Haaglanden Safety Region; on the Executive Committee, I oversee the Finance portfolio and focus specifically on beach safety.
  Since fall 2019, averaging 4 hours per week
• Member of the Executive Committee and General Board of the Rotterdam-The Hague Metropolitan Region; responsible for the HRM/Organization portfolio on the Executive Committee.
  Since September 2025, averaging 4 hours per week
• Member of the Executive Committee and General Board of the Rotterdam–The Hague Metropolitan Region.
  Since fall 2019; average time commitment: 6 hours per quarter
  The above positions are unpaid

Additional positions from the mayoralty

• Chair of the District D Subversion Task Force, The Hague Police Unit.
  Since 2021, averaging 4 hours per month
• Member of the RIEC/The Hague Police Unit Steering Committee.
  Since 2021, time commitment: 3 hours per quarter
• Member of the District Police Board, The Hague District D Unit.
  Since fall 2019; average time commitment: 4 hours per quarter
• Member of the RBO Police Unit in The Hague.
  Since fall 2019, averaging 2 hours per quarter
• Chair of the Board of the Friends of the Wassenaar Fire Museum Foundation. Since fall 2019; average time commitment: 4 hours per year
• Chair of the Board of the Wassenaar Relief Foundation.
  Since fall 2019, averaging 8 hours per year
• Chair of the Ad Gloriam Pavonis Foundation.
  Since fall 2019, averaging 4 hours per year
• Patron of the Waalsdorp Honorary Platoon.
  Since 2020, average time commitment: 4 hours per year
• Patron of the Excelsior Wassenaar Music Association.
  Since 2020; average time commitment: 4 hours per year
• Patron of the Oud Wassenaar Historical Society.
  Since 2020; average time commitment: 4 hours per year
  The above positions are unpaid

Ancillary positions

• Chair of the Board of the Dutch Lifesaving Association (Royal Dutch Association for the Rescue of Drowning Persons).
  Since December 2019; average time commitment: 4 hours per week
• Chair of the Atlantic Wall Heritage Route of the Province of South Holland.
  Since 2020: average time commitment of 8 hours per quarter
  The above additional positions are unpaid