Tammie Tang
![Tammie Tang](https://www.columbiathreadneedle.se/uploads/2021/02/33229ecab2683e986ec5e7a50ee7d9a4/tammietang.jpg)
Tammie Tang
![](https://www.columbiathreadneedle.se/uploads/2021/12/ce528998719db099dac88572bf31a45a/tammie-tang.jpg)
Tammie Tang
![Tammie Tang](https://www.columbiathreadneedle.se/uploads/2023/05/f7b70dc725e302d9ea4d585139406b87/tammie-tang-governance-webpage-837x558-1.jpg)
Ben Kelly
![Ben Kelly](https://www.columbiathreadneedle.se/uploads/2022/07/f65743554fdd8e6ae84ade25587fb615/ben_kelly.jpg)
ARCHIVED – Charlotte Friedrichs
![Charlotte Friedrichs](https://www.columbiathreadneedle.se/uploads/2023/06/1bd9cb232e8c07b2a7c37d347873bc3d/friedrichs_charlotte_wp_feb23_0o7a7072-1.jpg)
ARCHIVED – Javier Mantuano
![Javier Mantuano](https://www.columbiathreadneedle.se/uploads/2023/06/762196fd7dbab87efdba748d62cc47d8/mantuano_javier_wp_feb19-1.jpg)
Matt Rees
![Matthew Rees](https://www.columbiathreadneedle.se/uploads/2023/06/2e97e21fdae67830f695db1d37adecf0/rees_matthew_wp_mar17.jpg)
Yu-Ting Fu
![Yu-Ting Fu](https://www.columbiathreadneedle.se/uploads/2023/06/b54e58802b8afceef0723d5c709e1b79/fu_yu-ting_wp_feb23_0o7a6978.jpg)
Ben Kelly
![Ben Kelly](https://www.columbiathreadneedle.se/uploads/2022/07/f65743554fdd8e6ae84ade25587fb615/ben_kelly.jpg)
Andrew Dewar
![Andrew Dewar](https://www.columbiathreadneedle.se/uploads/2023/06/2d7ce90f7e5853d62021f8c8a8a5bd72/andrew-dewar_300x300.jpg)
Andrew Dewar is a portfolio manager in the Investment Grade Credit team at Columbia Threadneedle Investments.