Audio Enhancement for Video

I need a skilled audio engineer to enhance a video where people are talking. The main objective is to isolate one specific voice amidst background conversations.

Key Requirements:
- Isolate one specific voice from background noise
- Improve overall clarity of the audio

Ideal Skills & Experience:
- Experience with audio editing software (e.g., Audacity, Adobe Audition)
- Ability to reduce background noise and enhance voice clarity
- Previous work on similar projects

Please provide samples of previous audio enhancement work.