Update people.csv

Author: ChrisRackauckas

_assets/people.csv

@@ -27,11 +27,11 @@ Matthew McManus,Master's Student,,Current Member,No
 Raye Kimmerer,Master's Student,https://github.com/Wimmerer,Current Member,Yes
 Simeon Schaub,Master's Student,https://github.com/simeonschaub,Current Member,Yes
 Songchen Tan,Master's Student,https://tansongchen.mit.edu,Current Member,Yes
-Steven Otremba,Master's Student,https://www.linkedin.com/in/sotremba/,Current Member,Yes
+Steven Otremba,Master's Student,https://www.linkedin.com/in/sotremba/,Alumni,Yes
 Utkarsh,Master's Student,https://www.linkedin.com/in/utkarsh-276a7216a/,Current Member,Yes
 Vaibhav Dixit,Master's Student,https://www.linkedin.com/in/vaibhav-dixit-0a9739156/?originalSubdomain=in,Current Member,Yes
 Yonatan Delelegn,Master's Student,https://www.linkedin.com/in/yonatan-delelegn-102352177/,Current Member,Yes
-Fons van der Plas,Research Software Engineer,https://github.com/fonsp,Current Member,Yes
+Fons van der Plas,Research Software Engineer,https://github.com/fonsp,Alumni,Yes
 Julian Samaroo,Research Software Engineer,https://github.com/jpsamaroo,Current Member,Yes
 Gaurav Arya,Undergraduate,https://www.mit.edu/~aryag/,Current Member,Yes
 David Hofmann,Research Affiliate,https://www.linkedin.com/in/david-hofmann-5b7962b0/,Internal Collaborator,Yes