Xuanqi Lan

• I helped the HR team with every step of the hiring process, which gave me hands-on experience with different hiring platforms and Applicant Tracking Systems (ATS).
• Used professional HR software to help with resume screening, managing candidate data, and keeping track of the hiring process.
• I helped with posting job openings, setting up interviews, and making first contact with candidates, which made the hiring process more efficient and streamlined the workflow.
• Learned how to use digital HR tools and how to hire people in a fast-growing tech company.

• Hosted and helped ophthalmology experts from Kazakhstan, Kyrgyzstan, Uzbekistan, Turkmenistan, Tajikistan, and the UK, helping with international medical exchanges and providing translation and coordination on site.
• Took part in official visits to Xi'an with the National Health Commission International Exchange Center and the Lifeline Express project team. These visits included site visits and roundtable talks with Eyedeal Medical Technology Co., Ltd. and local eye care centers.
• Assisted in the drafting and organization of donation agreements between Lifeline Express and Tajikistan; provided document translation and archival management support.
• Supported the Secretary-General in optimizing the official Lifeline Express website structure and content.
• Contributed to public health communication initiatives such as logo visual refinement, promotional material design, and the creation of WeChat public articles to promote diabetic retinopathy screening and health education.

• Worked on a research project that looked into how Large Language Models (LLMs) can make automatic bidding systems in online ads better.
• Discovered through experiments that language models excel at encapsulating overarching intent and context, yet require meticulous integration with numerical data to achieve efficacy.
• Helped create SemBid, a structured way to put task goals, historical data, and strategy descriptions into decision models.
• Tested the method in a number of different advertising situations and found that it worked better, stayed within budget, and was more stable than other methods.

Visited in April 2022 and March 2023, respectively, San Francisco City Impact volunteered in food preparation and distribution for unhoused individuals during two four-day outreach programs.