Power Supply Circuit Design

I need a skilled electronics circuit designer specializing in power electronics. The project involves designing a power supply for a phone charging system using both AC and DC

Key Requirements:
- Design of power supply circuits
- Experience with mixed-signal environments
- Understanding of radio technology

Ideal Skills:
- Proficiency in analog and digital circuit design
- Experience with simulation tools (SPICE, MATLAB, etc.)
- Strong background in power electronics

Please provide examples of similar work done.