Alex Sorokin

Halsey Lane Holdings LLC is a private company that provides analysis, planning, management oversight, and governance for the owners of newly-restructured companies. Halsey Lane Holdings is based in Scarsdale, NY. It was established to address the need for a single-source provider of these services. The company was founded in 2009 by Mark D. Dalton.

Persephone Capital Partners LLC (Persephone Capital Partners) is a private equity firm founded in 2012 by Jay Lifton, Frank S. Plimpton and Alex Sorokin. The firm is headquartered in New York.

Global Relief Technologies, Inc. provides mobile computing solutions. Its products include RDMS collect, collaborate, and communicate and logistics. The firm’s services include business workflow consulting, client customization, mobile device management, training and support. The company was founded by Michael D. Gray in 2003 and is headquartered in Portsmouth, NH.

Cella Energy Ltd. operates as a advanced materials and technologies company. It develops and produces hydrogen storage materials for storing up to one liter of hydrogen per gram, as well as for transportation of hydrogen at room temperature. The company was founded in January 2011 and is headquartered in Didcot, the United Kingdom.

Ener1, Inc. develops and manufactures compact, high performance lithium-ion (Li-ion) batteries. The company was founded in 1985 and is headquartered in Indianapolis, IN.