David Sullivan

I couldn't find specific information about a David Sullivan who is a mentor at Endeavor with the LinkedIn username "davidsullivan-alliancedg." However, there are several individuals named David Sullivan with different professional backgrounds and roles:

1. David Sullivan (Sullivan Tire): Mentioned as a mentor to many at Sullivan Tire, though he has passed away. He was known for his influence on family and business values.1

2. David Sullivan (SPARC): Serves as a Senior Advisor at SPARC, bringing experience in independent school leadership and auxiliary program management.2

3. David Sullivan (INEOS Automotive): A marketing professional with a background in automotive and product marketing.3

4. David Sullivan (Excellium Corp): A capture professional with strong organizational skills.4

5. David Sullivan (Portland, Maine): Known for striving for perfection and efficiency.5

If you are looking for a specific David Sullivan, it might be helpful to check Endeavor's official resources or reach out directly to them for more information.