Bill Dauster is a lawyer, economist, and speechwriter who served on United States Senate and White House staffs from 1986 to 2017. Since 2005, he has written and expanded Wikipedia articles on each of the 54 weekly Torah portions. On Wikisource, since April 2011, he has translated the following Mishnayot:

Avot 1:12, Avot 1:13, Avot 1:15, Avot 1:16, Avot 1:17, Avot 1:18, Avot 2:1, Avot 2:2, Avot 3:1, Avot 3:2, Avot 3:6, Avot 5:4, Avot 5:6, Avot 5:8, Avot 5:21, Avot 6:10, Avot 6:11, Bava Kamma 9:5, Bava Metzia 9:11, Bava Metzia 9:12, Keritot 6:9, Makkot 3:9, Nedarim 11:3, Parah 8:3, Pesachim 1:4, Pesachim 1:5, Pesachim 1:6, Pesachim 1:7, Pesachim 9:1, Pesachim 9:2, Pesachim 9:3, Pesachim 10:1, Pesachim 10:2, Pesachim 10:3, Pesachim 10:4, Pesachim 10:5, and Tamid 5:1.

He has created these structural pages:

Avot Chapter 2, Avot Chapter 3, Avot Chapter 4, Avot Chapter 5, Avot Chapter 6, Bava Kamma Chapter 1, Bava Kamma Chapter 9, Bava Metzia Chapter 9, Keritot Chapter 6, Makkot Chapter 3, Nedarim Chapter 11, Oktzin Chapter 1, Parah Chapter 8, Pesachim Chapter 9, Pesachim Chapter 10, Seder Tehorot, Tamid Chapter 5, Tractate Bava Kamma, Tractate Bava Metzia, Tractate Keritot, Tractate Makkot, Tractate Oktzin, Tractate Parah, and Tractate Tamid.

And he has contributed to these pages:

Avot 1:9, Avot 1:10, Avot 1:11, Avot 1:14, Avot 2:3, Avot 4:1, Avot 4:2, Avot 4:3, Avot 4:21, Avot 5:11, Bava Kamma 1:1, Makkot 3:6, Oktzin 1:1, Template:Mishnah chart, Tractate Avot, and Tractate Bava Batra.