Phone: (+34) 93 201 18 18 – (+34) 645 09 74 00
Villarroel 259-261 – 08036 Barcelona (Spain)
The suitable way is:

From Europe, regular hours, please contact me either by sending me an email or calling me (+34) 645 09 74 00. In subsequent conversations we can communicate
using video call on Skype or Apple Face Time.

If you want to contact me from countries with a big time difference with respect to Greenwich Mean Time – GMT such as the Americas and/or  other continents it is preferable you send me an email first, and you will receive my reply suggesting to agree a virtual appointment via video call (via Skype or Face Time) or a conventional telephone call at suitable hours for both parties.