He has written for publications including The New York Times, Real Simple, Fortune, Fortune Small Business, Salon.com, Time, Sojourners, MIT's Sloan Management Review, Harvard Management Update, Business 2.0, ForbesASAP, CIO, CFO, and MBA Jungle.

[1] In 2003, Seglin published The Right Thing: Conscience, Profit and Personal Responsibility in Today’s Business, a collection of the first four years of his syndicated column.

In 2016, Seglin's The Simple Art of Business Etiquette: How to Rise to the Top by Playing Nice (Tycho, 2016) was released.

[5] Seglin worked at Emerson College in Boston, Massachusetts from 1999 until 2011, where he was a tenured associate professor and also director of the graduate program in publishing and writing.

From 2011 until 2023 he was a senior lecturer in public policy and director of the communications program at the John F. Kennedy School of Government at Harvard University.

[7] Trust Across America named Seglin as one of the Top 100 Thought Leaders in Trustworthy Business Behavior from 2010-2014, and honored him with the organization's Lifetime Achievement Award in January 2015.

[8] The student body of Harvard Kennedy School presented Seglin with the Manuel C. Carballo Award for Excellence in Teaching in May 2017.