A Professional Body is an organization with individual members practicing a profession or occupation in which the organization maintains an oversight of the knowledge, skills, conduct, and practice of that profession or occupation.
Some of the popular professional societies are IEEE, IETE, ISTE, and so on.
Acting as a reviewer for the journal brings us so many benefits. Such as,
Serving as a peer reviewer looks good on your CV as it shows that your expertise is recognized by other scientists.
You will get to read some of the latest science in your field well before it is in the public domain.
The critical thinking skills needed during peer review will help you in your own research and writing.
Being an Editorial board member, You'll also gain an insider's view of publication dos and don'ts, which could accelerate your publication efforts with other journals and boost your marketability for hiring and promotions.
Alone we can do so little; together we can do so much.
- Helen Keller
On this site, I have given my professional roles in various journals and technical societies.