add more info on collabs

intro.md

@@ -6,15 +6,15 @@ See the Tutorials link in sidebar for our tutorials developed during the hackwee
 
 ### Collaborators
 
-| Name | Affiliation | Interests and end users | Links |
+| Name | Affiliation | Tutorial | Links |
 | ------------- | ------------- | ------------- | ------------- |
-| [Eli Holmes](https://github.com/eeholmes) | NOAA Fisheries, Office of Science and Technology  | Fisheries scientists who want time series and point values to match tracks.  | [website](https://eeholmes.github.io/) |
-| [Prem Maheshwarkar](https://github.com/pmaheshwarkar) |  |  |  |
-| [Thiago Nobrega](https://github.com/thiago-vg) |  |  |  |
+| [Eli Holmes](https://github.com/eeholmes) | NOAA Fisheries, Office of Science and Technology  | Simple matchup on tracks  | [website](https://eeholmes.github.io/) |
+| [Prem Maheshwarkar](https://github.com/pmaheshwarkar) | Universite Paris Est Creteil Val de Marne | Visualization multi-source aerosols |  |
+| [Thiago Nobrega](https://github.com/thiago-vg) | University of Sao Paulo | More re-gridding |  |
 | [Bingqing Liu](https://github.com/bingqing-liu) |  |  |  [HyperCoast](https://hypercoast.org/) |
-| [Jiaxu Zhang](https://github.com/JiaxuZ) | |  |  |
-| [Rui](https://github.com/RuiJinSZ) |   |   |   |
-| [Han Huynh](https://github.com/hnhuynh55) |   |   |   |
+| [Jiaxu Zhang](https://github.com/JiaxuZ) | University of Washington (CICOES)/NOAA PMEL | Chl-a products of multiple sources  |  |
+| [Rui Jin](https://github.com/RuiJinSZ) |  University of Washington (CICOES) | Simple re-grid  |   |
+| [Han Huynh](https://github.com/hnhuynh55) | University of Colorado at Boulder (CIRES)/NOAA CSL  |  Visualization multi-source aerosols |   |
 
 
 ### Additional resources or background reading