Self-Help Book Proposal Writer

I'm seeking a skilled writer to craft a compelling book proposal for my self-help book on grief and loss, rooted in psychological insights.

I have a draft proposal, and need help pulling this into a finished product ready for submission to traditional publishers.
The proposal should include:
- Overview of the book concept
- Target audience identification
- Author bio highlighting my expertise
- Detailed chapter breakdown
- Market analysis and competitive titles
- Marketing

Ideal skills and experience:
- Proven experience in writing book proposals
- Strong background in psychology, especially grief and loss
- Excellent writing and analytical skills
- Familiarity with publishing industry standards
- Ability to create engaging and persuasive content

Please provide samples of previous work.