What certifications and special trainings does Troy Clifford Dargin have?
Troy Clifford Dargin is a certified practitioner in the Arthur Lessac VoiceBody technique and holds a certificate in Vocology from the National Center for Voice and Speech.
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### Instruction:
What certifications and special trainings does Troy Clifford Dargin have?

### Input: Not applicable

### Response:
Troy Clifford Dargin is a certified practitioner in the Arthur Lessac VoiceBody technique and holds a certificate in Vocology from the National Center for Voice and Speech.<|im_end|>