How to write effective tenure review letters

https://www.insidehighered.com/advice/2017/01/19/advice-how-write-effective-tenure-review-letters

• succinct and on-point letters are more likely to be read in full and thus to be helpful in the deliberation process.
• Offer Constructive Feedback: the honest critiques enhance the credibility of the compliments. Second, if the tenure-review process works properly, the tenure committee will aggregate and share the constructive feedback with the candidate.

a strong case for the applicant having already impacted their field

'departmental fit'