FIX: Update affiliations and add new instructors

instructors.md

@@ -5,7 +5,7 @@ The following list of scientists and software engineers are serving as instructo
 | Instructor | Affiliation | Links | Headshot
 | :------- | ------- |:------- | ------ |
 | Robert Jackson | Argonne National Laboratory | -[Professional Website](https://www.anl.gov/profile/robert-jackson) <br> - [Github](https://github.com/rcjackson) | <img src="images/headshots/jackson-headshot.png" alt="Bobby Jackson Headshot" width="200"/>
-| Timothy Juliano | The National Center for Atmospheric Research | -[Professional Website](https://staff.ucar.edu/users/tjuliano) <br> -[Github](https://github.com/twjuliano) | <img src="images/headshots/Juliano-headshot.jpg" alt="Tim Juliano Headshot " width="200"/>
+| Timothy Juliano | NSF National Center for Atmospheric Research | -[Professional Website](https://staff.ucar.edu/users/tjuliano) <br> -[Github](https://github.com/twjuliano) | <img src="images/headshots/Juliano-headshot.jpg" alt="Tim Juliano Headshot " width="200"/>
 | Daniel Feldman | Lawerence Berkeley National Laboratory | -[Professional Website](https://profiles.lbl.gov/20998-daniel-feldman) <br> -[Github](https://github.com/twjuliano) | <img src="images/headshots/feldman-headshot.jpeg" alt="Dan Feldman" width="300"/>
 | Scott Collis | Argonne National Laboratory | -[Professional Website](https://www.anl.gov/profile/scott-m-collis) <br> -[Github](https://github.com/scollis) | <img src="images/headshots/collis-headshot.jpg" alt="Scott Collis" width="200"/>
 | Ann Fridlind | National Aeronautics and Space Administration <br> Goddard Institute for Space Studies | -[Professional Website](https://www.giss.nasa.gov/staff/afridlind.html) <br> -[Github](https://github.com/fridlind) | <img src="images/headshots/fridlind-headshot.jpg" alt="Ann Fridlind" width="200"/>
@@ -14,5 +14,8 @@ The following list of scientists and software engineers are serving as instructo
 | Sujata Goswami | Oak Ridge National Laboratory | -[Professional Website](https://www.ornl.gov/staff-profile/sujata-goswami) <br> -[Github Link](https://github.com/SujataSaurabh)| <img src="images/headshots/goswami-headshot.jpg" alt="Sujata Goswami" width="200"/>
 | William Gustafson | Pacific Northwest National Laboratory | -[Professional Website](https://www.pnnl.gov/people/william-i-gustafson-jr) <br> -[Github Link](https://github.com/wgustafson)| <img src="images/headshots/gustafson-headshot.jpg" alt="William Gustafson" width="200"/>
 | Maxwell Grover | Argonne National Laboratory | -[Professional Website](https://www.anl.gov/profile/maxwell-grover) <br> -[Github Link](https://github.com/mgrover1)| <img src="images/headshots/grover-headshot.jpeg" alt="William Gustafson" width="200"/>
+| Ya-Chien Feng | Pacific Northwest National Laboratory | -[Professional Website](https://www.pnnl.gov/science/staff/staff_info.asp?staff_num=10752)| <img src="images/headshots/feng-headshot.png" alt="Ya-Chien Feng" width="200"/>
+| Mia Li | Cooperative Institute for Severe and High-Impact Weather Research and Operations | -[Github](https://github.com/lishanlitamu)| <img src="images/headshots/li-headshot.JPG" alt="William Gustafson" width="200"/>
+| Maxwell Grover | Argonne National Laboratory | -[Professional Website](https://www.anl.gov/profile/maxwell-grover) <br> -[Github Link](https://github.com/mgrover1)| <img src="images/headshots/grover-headshot.jpeg" alt="William Gustafson" width="200"/>