Cause Promotion Website with Social Integration

I need a website for my not-for-profit organization, which aims to promote a healthcare causes. The primary audience for the website is individuals interested in supporting or learning more about our cause. Here’s what I am looking for:

Key Website Features:
- Simple, clear, and easy navigation.
- A section that explains our cause in detail.
- A section for updates, news, and informational blog posts.
- Contact and about us pages.

Social Media Integration:
- The website should be integrated with our Facebook, Twitter, Instagram, and YouTube platforms.
- Facebook and Twitter feeds, Instagram photo stream, and YouTube video gallery should be visible on our website.

Skills and Experience:
- Proven experience in creating websites for non-profit organizations.
- Strong knowledge of social media integrations and feeds.
- SEO skills to maximize search visibility.
- Experience with content development and uploading.
- Fluency in modern design principles.
- Solid understanding of UI/UX principles.

Kindly provide examples of your previous work, especially if related to non-profits.