Heartfulnesstraining.nu – please contact me


Don’t hesitate to contact me between 10am and 9pm (weekends included). Tel +31 (0)6 1445 9373.

When I am in a session, my phone is off. If you want to make sure I am available, please schedule a phonecall appointment.


To apply for a training, you can send an e-mail (or text, or whatsapp, including your email address). You will then receive an intake/application form.

Note: Don’t come to activities unannounced – make sure we will not miss each other and apply!


Subscribe to my irregular newsletters, filled with inspiration and updates on activities. As a welcoming gift you will receive my free ebook with tips for a stress-free life.

Esther Hasselman - heartfulnesstraining.nu - Delft

I am Esther Hasselman, walking coach, mindfulness en compassion trainer, and yoga instructor.

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Company details

Heartfulnesstraining is an initiative of Contact@Work

Chamber of Commerce #30283100

VAT-nummer: NL171599287B01

Bank details: Triodos, IBAN NL17TRIO0197887686 | BIC TRIONL2U

Office/branch address: Wethouder Sonneveldhof 54, 2645 BN  Delfgauw, The Netherlands