Use a selective chronology supported by curricula, completion records, assessments and real assignments. Records should establish what was taught and what the employee actually learned, not simply list course names.
Link records to outcomes
Where informal mentoring supplied the key knowledge, a knowledgeable supervisor can describe the dates, subject matter and observed performance, supported by contemporaneous work where available. Include a plain-language explanation for technical exhibits. Keep the proposed U.S.
duties beside this chronology so the reviewer can see why each selected record matters. Build the file in two layers. The outer layer is a short chronology a non-specialist can follow: what the employee learned, when, and what they were then trusted to do.
The inner layer holds the underlying exhibits supporting each entry. Reviewers rarely have the technical background to interpret raw material on their own, so an unexplained schematic, code listing or validation report can consume attention without advancing the argument. Give each technical exhibit a caption in ordinary language stating what it shows and which claim it supports.
Prefer records with dates and authors over undated internal documents. If a key capability was acquired through mentoring and left no paper trail, say so plainly and support it with the mentor’s account and any contemporaneous work product rather than creating a certificate after the fact.