Melvin D. Walker

Castanea Partners Inc (Castanea Partners) is a private equity firm founded in 2001 by Robert A. Smith and Brian J. Knez. The firm is headquartered in Newton, Massachusetts.

Par Sterile Products LLC engages in the development, manufacturing, and distribution of generic pharmaceuticals. Its products include adrenalin injection, adrenalin chloride solution, aplisol, argatroban injection, brevital sodium, buprenorphine HCL injection, CIII, colistimethate for injection, USP, coly-mycin m, dantrium IV, dantrium capsules, delestrogen, dexmedetomidine HCI, injection, ethacrynate sodium for injection, USP, fluphenazine decanoate injection, USP, ketalar, pitocin, tigan, triostat, vasostrict, and zoledronic acid injection. The company was founded in 2007 and is headquartered in Chestnut Ridge, NY.

Stride Consumer Partners LLC is a private equity firm founded in 2019. The firm is headquartered in Boston, Massachusetts.

Founded in 1981, TPR Education LLC is a test preparation platform that operates online. The company is based in Framingham, MA and is a part of Match Group, Inc.

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.