Commercial A/V Crestron Programming

I need a Crestron programmer for a commercial system. The primary functionality required is audio/video control, specifically integrating sound systems.

Key requirements:
- Program Crestron for commercial A/V control
- Integrate and control sound systems

Ideal skills and experience:
- Expertise in Crestron programming for commercial systems
- Experience with A/V control, particularly sound systems
- Strong troubleshooting skills and attention to detail

Please provide a portfolio showcasing similar projects and relevant certifications.