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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers who have significant controls over the individuals in focus are always inapplicable. The offspring entities and appointments are those entities that the individuals in focus can influence on.

Clicking the links on parent entities or officers, and offspring entities or managed companies will put them in focus and show upstream or downstream connections. In general, ascendant entities can be found by moving toward upstream, and descendant entities are by toward downstream. In this way, progenitor entities such as grandparent companies (parents of parent), sibling companies (children of parent), partner companies (parents of child), and progeny entities such as grandchild companies (children of child) can be found easily.

Parent entities and officers
Inapplicable
parent relation
Individuals in focus

Ullendorff, David Ernest

  • Ullendorff, David Ernest
    American president of mathnasium, llc born in March 1957

    Resident in United States

    Registered addresses and corresponding companies
    • 55, Baker Street, London, W1U 7EU, United Kingdom

      IIF 1
child relation
Offspring entities and appointments 1
  • 1
    MATHNASIUM CENTER LICENSING UK LIMITED
    09596360
    55 Baker Street, London, United Kingdom
    Dissolved Corporate (7 parents)
    Officer
    2015-05-18 ~ 2022-09-30
    IIF 1 - Director → ME

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Contains public sector information retrieved at 9 February 2026 and licensed under the Open Government Licence v3.0.