用英文介绍以下内容：毕业后曾就职过两家公司，第一家是XXX公司，任职岗位是运营专员，主要负责众创空间内的日常运营工作、招商、包括租控管理、合同签订执行、客户维护，收集梳理客户需求及投诉，形成改进方案或做好资源服务对接工作；第二、活动策划及接待工作，协助活动前期策划与推广、落地执行；第三、公司的宣推及社群运营，定期输出及维护微信公众号。第二份工作是在XXX公司，主要负责运营其所属的写字楼资产，我独立负责管理五个项目，面积超5万平方米。主要负责推进、管理项目、招商、租控管理、预算编制及执行进度跟进、内外审计、客户维护与日常综合性管理等工作；2、负责部门整体项目运营方案、合同编写与执行、公文函件、会议纪要等材料编写；3、协助组织开展园区企业调研与数据整合分析工作、园区政策解读、工商法律服务座谈等相关活动； 5、根据政策及业务情况，协助搭建和优化项目管理制度。

After graduation, I have worked at two companies. My first position was as an Operations Specialist at XXX Company. My main responsibilities included:

1. Daily operations within the co-working space, including tenant management, contract signing and execution, and customer maintenance.
2. Collecting and organizing customer needs and complaints to form improvement plans or to facilitate resource service connections.
3. Event planning and reception, assisting in the pre-event planning and promotion, and executing the events.
4. Company promotion and community operations, regularly producing and maintaining the WeChat public account.

My second job was at another XXX Company, where I was primarily responsible for operating the office building assets they owned. I independently managed five projects, covering an area of over 50,000 square meters. My main responsibilities included:

1. Advancing and managing projects, tenant management, budget preparation and execution progress follow-up, internal and external audits, and customer maintenance and daily comprehensive management.
2. Responsible for the overall project operation plan of the department, contract writing and execution, official document writing, and meeting minutes.
3. Assisting in organizing research and data integration analysis of enterprises in the park, interpreting park policies, and holding discussions on industrial and commercial legal services.
4. Assisting in building and optimizing project management systems based on policies and business conditions.