Editor in chief of Communications In Algebra.

Editor

Other Positions

Editor Emeritus and Associate Editor of The American Mathematical Monthly. Associate Editor for Involve.

Editor

Editing

• Ethical lessons learned while editing the Monthly: modern publishing is raising new issues , Notices Amer. Math. Soc. 65(2018), 1270-1272.
• How to deal with a Mathematics journal Editor, Notices Amer. Math. Soc. 63(2016), 182-184.
• A letter from the editor: Jonathan M. Borwein 1951--2016, Amer. Math. Monthly 123(2016), 847-848.
• A letter from the editor: The long and winding road, Amer. Math. Monthly 123(2016), 955-958.