A letter of self introduction

Hello Leo,

I just polished some parts of your composition. I also gave my ideas by rephrasing. Thank you for sharing this. ^__^

-Chammy

Planning and promoting side events and SNS events

>>Correct
I have a lot of various experience in planning and promoting side events and SNS events.

>> I have various experiences in planning and promoting side events and SNS events.

OR

>> I have extensive expertise in organizing and publicizing side events and SNS activities.

It is that I have experience researching various events including side events, creating posters, recruiting and managing participants, and promoting online using SNS such as Cafes, Blogs, Instagram, and Facebook.

>>Correct

OR

>> One of these is researching multiple initiatives, including side events, designing posters, recruiting and managing participants, and advertising online using SNS such as Cafes, Blogs, Instagram, and Facebook.

The fair included seminars, conferences, and receptions, so I had to research, invite, and organize speakers such as university professors and corporate representatives.

>>Correct

OR

>> I was responsible for organizing seminars, conferences, and receptions at a fair where I had to explore, invite, and coordinate with speakers such as university professors and corporate representatives.
Attracting and managing companies
After over fifty unsuccessful cold calls, I started self-reflecting on what was wrong with myself and fixing the problems one by one.
I realized it was important to use the correct pronunciation and intonation to give reliability to them and to explain the benefits of the exhibition/fair but not telling lie, and identifying the needs of other companies.

>> After over fifty unsuccessful cold calls, I started self-reflecting on what was wrong with myself and fixing the problems one by one.
I realized it was important to use the correct pronunciation and intonation to give reliability to them and to explain the benefits of the exhibition/fair but not telling lies, and identifying the needs of other companies.

OR

>> I am confident in my ability to attract and manage companies. Having previously struggled with cold calls, I learned the significance of employing excellent communication to establish trust while outlining the benefits of the exhibition/fair and identifying the needs of the organizations.

So I concentrated to improve my skills in this parts.

>> So, I concentrated on improving my skills in these parts.

OR

>> Hence, I am constantly making every effort to develop my skills in these areas.