 BOSTON, Aug. 19, 2021 PRNewswire -- Learning technology company Houghton Mifflin Harcourt HMH Nasdaq: HMHC today announced that Jack Lynch, the Companys President and Chief Executive Officer and Joe Abbott, the Companys Chief Financial Officer, will participate in the BMO 2021 Technology Summit. The Companys fireside chat is scheduled for 8:00 a.m. 