Your passage is mostly clear but contains a few grammatical issues. Here’s a breakdown along with a rephrased version:
### Original Text:
"Having gone through with the SIWES program, my advice for future participant is;"
### Issues:
1. "participant" should be plural ("participants") to match "future".
2. A colon (:) is more appropriate than a semicolon (;) to introduce a list.
### Suggested Rephrasing:
"Having completed the SIWES program, my