My background and introduction:

en-3 This user can contribute with an advanced level of English.	zh 該用戶的 母語是 中文。 该用户的 母语是 中文。	This user enjoys electronics or is an electronics hobbyist.
es-1 Este usuario puede contribuir con un nivel básico de español.	ja-1 この利用者は 初級の 日本語ができます。	RCSI This user attends or attended the Royal College of Surgeons in Ireland.
TAS This user is a TAS Tiger.	This user runs macOS.	JHU This user attends or attended Johns Hopkins University
SG This user activates the Stargate to explore other planets.	BS This user has a Bachelor of Science degree in Biomedical Engineering.	This user is a medical student.

Places in the world that I've been to:

Ireland (Now)	United Kingdom	Hungary	United States	Malaysia	Canada	UAE (Transit)
Sweden	France	Austria	Monaco	Czech Republic	The Netherlands	Thailand (Transit)
Hong Kong	Japan	The PRC	Singapore	South Korea	Taiwan	Philippines

Places in the US that I have been to:

New York	New Jersey	Maryland	New Hampshire	Pennsylvania (Transit)	Arizona (Transit)
Washington DC	Massachusetts	Florida	California	Georgia (Transit)	Illinois (Transit)