Update sutherland.md

_people/sutherland.md

@@ -3,12 +3,11 @@ firstname: Julian
 lastname: Sutherland
 position: PhD Student
 webpage: http://www.doc.ic.ac.uk/~jhs110/
-email: jhs110@doc.ic.ac.uk
-alumnus: false
+email: 
+alumnus: true
 projects:
   - concurrency
   - sl
 ---
 
-Julian is a PhD student with the group, currently working on extending 
-concurrent separational logics such as TaDA to a total correctness semantics (termination).
+Julian defended his PhD thesis, Compositional termination verification for fine-grained concurrency, in 2022. Julian is currently a Formal Verification Engineer at [Nethermind](https://nethermind.io/), a blockchain company working on Ethereum.