Digital Marketing for New Venture

I'm on the lookout for an experienced digital marketing professional to help launch my new enterprise.

Key requirements:
- Expertise in various digital marketing strategies
- Proven track record of working with startups
- Quick turnaround time
- Ability to start immediately

Please share your experience in the field, particularly with startups, and how you've been able to drive success in the past. Time is of the essence, so I appreciate your prompt response.