● Composed documents of Playing Chess rules and Arbitration Agreement and Athlete Affidavit of Chess● Used Excel in making a keep-track-athletes list of 94 members, 94 athletes' seat map, cost estimating,and arranging members on Chess onsite date● Contacted to hire equipment and referees

● Used Google Form to make recruitment questionnaires (received 41 answers)● Used Excel to arrange 41 interview meetings● Prepared posts to notify and remind 94 members of important activities● Designed emails by using Mailchimp

● Engaged in the intricate invoicing and billing procedures, crucial to financial and operational systems● Captured and processed invoices from clients and various telecom operators, including Tel4VN, LeeOn, Minh Phuc, Sen Bac, and CGV● Cross-checked invoices against internal billing documentation to ensure accuracy in quantities and charges for services rendered● Supervised the alignment of telecom billing records with services provided to clients, managing charge-backs from telecom companies

● Built a base of 43 business customers from a variety of sources● Identified and analyzed business customers' needs in the IT industry● Contacted business customers via email, Linkedin, and phone to introduce the company's servicesaccording to customer needs● Received the assigned work, and worked with the developer team to support customers

● Contacted, scheduled, and confirmed interview meetings with candidates● Screened resumes● Hosted interview meetings● Organised and implemented administrative assignments to follow HR's functions and follow BOD'srequirements● Posted, updated, removed job advertisements, and other information from job boards, careers pages, and social networks● Participated in organizing company events

● Organised monthly meetings and internal events● Composed and sent 720 emails to 72 club members by using Mailchimp, Mergo Mail Merge, and YetAnother Mail Merge (YAMM)● Invited trainer for Internal Training Series

● Composed and sent 204 emails to participants by using Mailchimp, Mergo Mail Merge, and Yet Another Mail Merge (YAMM)● Took part in arranging 221 members for seats at Final Night

● Composed posts to notify and remind 77 members of important activities● Used Excel to arrange 105 interview meetings● Took responsibility as a supervisor of internal teams