George A. Logue

Houghton Mifflin Harcourt Publishing Co. is a learning company, which engages in instructional curriculum, assessment, technology, and professional learning. The company was founded in 1832 by William Ticknor and James Fields and is headquartered in Boston, MA.

Rosetta Stone, Inc. engages in the provision of technology based language learning solutions. It develops, markets, and sells language learning solutions consisting of software products, online services, and audio practice tools under the Rosetta Stone brand. It operates through following segments: Literacy, Enterprise and Education Language, and Consumer Language. The Literacy segment offers literacy solutions through Software-as-a-Service model which serves grades K through 12. The Enterprise and Education Language segment relates to language-learning to educational institutions, corporations, and government agencies under a SaaS model. The Consumer Language segment supply products to individuals and retail partners. The company was founded by Allen Stoltzfus and John Fairfield in 1992 and is headquartered in Arlington, VA.

Part of Cambium Learning Group, Inc., Sopris West Educational Services, Inc. provides educational services. The company is based in Longmont, CO. Sopris West Educational Services was acquired by Cambium Learning, Inc. on September 14, 2004.

Cambium Learning Group, Inc. engages in the provision of educational solutions and services. It operates through the following business segments: Learning A-Z, Voyager Sopris Learning, and ExploreLearning. The Learning A-Z segment offers technology-enabled learning resources for PreK-6 education. The Voyager Sopris Learning segment provides technology, materials, and professional development for educators. The ExploreLearning segment develops STEM-based curriculum tools in the field of math and science. The company was founded in 2009 and is headquartered in Dallas, TX.