Drive top seller success on eBay global trading platform: (approx. 40%) Scale up top seller activities by providing constructive business consultation and key business issue diagnosis; Support seller business growth through timely policy/platform changes update, selling strategy consultation, and key account issues solving; Investigate and deep dive the new policy& platform impact to top seller business, and initiate, guide and enforce seller best practices; Work collaboratively with external and internal resources, including trust & safety team, product management team, marketing team, and business development team to meet the business targets;Improve seller trust & safety performance: (approx. 30%) Improve seller trust & safety metrics performance through problem identification, issue diagnosis, solution providing and business implementation to grown sustainable business; Escalate a