- Anthony Lucki
- Chairman and Chief Executive Officer
- Gerald Hughes
- President and Chief Operating Officer
- Michael Muldowney
- Executive Vice President and Chief Financial Officer
- Bill Bayers
- Executive Vice President and General Counsel
- Donna Lucki
- Executive Vice President and Chief Publishing Officer
- Ciara Smyth
- Executive Vice President and Chief Human Resources Officer
- Susan Canizares
- President, Houghton Mifflin Harcourt Supplemental Publishers
- Gary Gentel
- President, Houghton Mifflin Harcourt Trade and Reference Publishers
- Scott Kirkpatrick
- President, Houghton Mifflin Harcourt Learning Technology
- Michael Lavelle
- President, Houghton Mifflin Harcourt School Publishers
- Wayne Smith
- President, Greenwood-Heinemann
- Richard Swartz
- President, The Riverside Publishing Company
- Patricia Tutunjian
- President, Houghton Mifflin Harcourt International Publishers
- Allen Wheatcroft
- President, Holt McDougal
- Greg DuMont
- Senior Vice President, Operations
- Vincent Jungels
- Senior Vice President, Finance
- Brian Murphy
- Senior Vice President, Chief Sales and Marketing Officer