Broad areas I can help with are listed below, and more context on my experience is here.
1. Building growth loops inside the product 2. Building high-functioning teams (effective processes, tracking OKRs, etc.) 3. Developing a product roadmap and setting up the right frameworks to do rapid iteration 4. Product strategy (user-centricity, product principles, retention loop and more) 5. Massively reach, engage and retain your audience across multiple touch points and channels 6. Setting up growth experiments to reach your PMF without spending dollars 7. Designing the right user onboarding which reduces churn