Hello, my name is: dʒɛmə

dʒ

The beginning of the name "Gemma" has the onset of a voiced, affricative manner in the lingua alveolar, created by touching front and sides of the tongue to the alveolar ridge. 

ɛ

The next syllable's onset is a voiced monothong with a front, middle place of articulation. The tongue is positioned forward and high, while the it's sides are positioned lateral to the teeth with the tip of the tongue behind the lower teeth.

m
The next syllable's onset is a voiced, bilabial nasal made by bringing the lips together and obstructing the air flow. 

ə
 The last syllable's onset is a voiced monothong created by positioning the tongue in the center of the cavity and letting air flow freely.