Social Media, Research, Shopify- Website Management. Detail list of Responsibilities-Due to the nature of the everchanging needs of a new startup, the PA/Brand Rep must be willing to adjust. Manage Vendors 10\\. Have a solid commitment to a flexible work week with the flexibility to work weekends and evenings. In your cover letter Please include how your experience relates to the needs of the Position.Create an account to see the full posting, access our search engine, and more.