Logo Modification Needed for Existing Design

I need a skilled designer to help me modify my existing logo. The modifications will include a color change and a font update.

Specific Requirements:
- Color Change: I have specific colors in mind for the logo change.
- Font Update: I have a specific font that I want to be used for the logo update.

Ideal Skills and Experience:
- Proficiency in graphic design software
- Previous experience in logo design and modification
- Ability to accurately implement specific design instructions

Please provide a portfolio of similar work you’ve done, as well as your proposed timeline for completion.